The Type 'System.Data.SqlClient.SqlDataReader' Has No Constructors Defined

Sep 23, 2006

Dear all,
 I'm using sqldatareader to return data that i need and then bind it to the gridview. Anyway, I'm facing the above error message. Please help, thanks.
 
Levine

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The Type 'System.Data.SqlClient.SqlDataReader' Has No Constructors Defined

May 21, 2008

I am trying to bind the data to a list box....i am using a stored procedure instead of a select query. Unfortunately the error is throwing up. Correct me where iam going wrong. Is my syntax correct 
 SqlConnection cn = new SqlConnection("User id=******;password=******;database=sampleecsphase2test;Data source=primasqltst\qa");
cn.Open();SqlCommand cmd = new SqlCommand();
cmd.CommandType = CommandType.StoredProcedure;SqlDataReader dr = new SqlDataReader();
dr = cmd.ExecuteReader();
listBox1.DataSource = dr;

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Type 'System.Data.SqlClient.SqlDataReader' Has No Constructors

Apr 16, 2006

I am getting the error below

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Cannot Implicitly Convert Type 'System.Data.SqlClient.SqlDataReader' To 'int'

Feb 25, 2008

Hi,

I sometimes get these error messages. Does this sound familiar? Does anyone know what I am doing wrong?


Cannot implicitly convert type 'System.Data.SqlClient.SqlDataReader' to 'int' (SQL-server)

Cannot implicitly convert type 'int' to 'System.Data.OleDb.OleDbDataReader' (Access DB)

TIA

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BC30311: Value Of Type 'System.Data.SqlClient.SqlDataReader' Cannot Be Converted To 'String'.

Jan 4, 2005

Does anyone know what the problem is?


Sub Page_Init(sender As Object, e As EventArgs)
Dim txtName As New TextBox()
Dim txtPart As New TextBox()
Dim txtEach As New TextBox()
Dim txtTotal1 As New TextBox()
Dim txtSubtotal As New TextBox()
Dim txtTax As New TextBox()
Dim txtShipping As New TextBox()
Dim txtTotal2 As New TextBox()

Dim prod_id As Integer
Dim id As Integer
id = Request.Querystring("prod_id")
txtName.Text = GetName(id).................this is the problem line

phName.Controls.Add(txtName)
phPart.Controls.Add(txtPart)
phEach.Controls.Add(txtEach)
phTotal1.Controls.Add(txtTotal1)
phSubtotal.Controls.Add(txtSubtotal)
phTax.Controls.Add(txtTax)
phShipping.Controls.Add(txtShipping)
phTotal2.Controls.Add(txtTotal2)

End Sub


I'm trying to populate dynamically rendered textbox's, how should I do that too?

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Unable To Cast COM Object Of Type 'System.__ComObject' To Class Type 'System.Data.SqlClient.SqlConn

May 17, 2006

Dear all,

I am stuck with a SSIS package and I can€™t work out. Let me know what steps are the correct in order to solve this.
At first I have just a Flat File Source and then Script Component, nothing else.

Error:





[Script Component [516]] Error: System.InvalidCastException: Unable to cast COM object of type 'System.__ComObject' to class type 'System.Data.SqlClient.SqlConnection'. Instances of types that represent COM components cannot be cast to types that do not represent COM components; however they can be cast to interfaces as long as the underlying COM component supports QueryInterface calls for the IID of the interface. at Microsoft.SqlServer.Dts.Pipeline.ScriptComponentHost.HandleUserException(Exception e) at Microsoft.SqlServer.Dts.Pipeline.ScriptComponentHost.AcquireConnections(Object transaction) at Microsoft.SqlServer.Dts.Pipeline.ManagedComponentHost.HostAcquireConnections(IDTSManagedComponentWrapper90 wrapper, Object transaction)



Script Code (from Script Component):



' Microsoft SQL Server Integration Services user script component
' This is your new script component in Microsoft Visual Basic .NET
' ScriptMain is the entrypoint class for script components

Imports System
Imports System.Data.SqlClient
Imports System.Math
Imports Microsoft.SqlServer.Dts.Pipeline.Wrapper
Imports Microsoft.SqlServer.Dts.Runtime.Wrapper


Public Class ScriptMain
Inherits UserComponent


Dim nDTS As IDTSConnectionManager90
Dim sqlConnecta As SqlConnection
Dim sqlComm As SqlCommand
Dim sqlParam As SqlParameter


Public Overrides Sub Input0_ProcessInputRow(ByVal Row As Input0Buffer)

Dim valorColumna As String
Dim valorColumna10 As Double


valorColumna = Row.Column9.Substring(1, 1)

If valorColumna = "N" Then
valorColumna10 = -1 * CDbl(Row.Column10 / 100)
Else
valorColumna10 = CDbl(Row.Column10 / 100)
End If

Me.Output0Buffer.PORCRETEN = CDbl(Row.Column11 / 100)
Me.Output0Buffer.IMPRETEN = CDbl(Row.Column12 / 100)
Me.Output0Buffer.EJERCICIO = CInt(Row.Column2)
Me.Output0Buffer.CODPROV = CInt(Row.Column7)
Me.Output0Buffer.MODALIDAD = CInt(Row.Column8)
Me.Output0Buffer.NIFPERC = CStr(Row.Column3)
Me.Output0Buffer.NIFREP = CStr(Row.Column4)
Me.Output0Buffer.NOMBRE = CStr(Row.Column6)
Me.Output0Buffer.EJERDEV = CDbl(Row.Column13)

With sqlComm
.Parameters("@Ejercicio").Value = CInt(Row.Column2)
.Parameters("@NIFPerc").Value = CStr(Row.Column3)
.Parameters("@NIFReP").Value = CStr(Row.Column4)
.Parameters("@Nombre").Value = CStr(Row.Column6)
.Parameters("@CodProv").Value = CInt(Row.Column7)
.Parameters("@Modalidad").Value = CInt(Row.Column8)
.Parameters("@ImpBase").Value = valorColumna10
.Parameters("@PorcReten").Value = CDbl(Row.Column11 / 100)
.Parameters("@ImpReten").Value = CDbl(Row.Column12 / 100)
.Parameters("@EjerDev").Value = CDbl(Row.Column13)

.ExecuteNonQuery()
End With


End Sub
Public Overrides Sub AcquireConnections(ByVal Transaction As Object)

Dim nDTS As IDTSConnectionManager90 = Me.Connections.TablaMODELO80
sqlConnecta = CType(nDTS.AcquireConnection(Nothing), SqlConnection)

End Sub
Public Overrides Sub PreExecute()

sqlComm = New SqlCommand("INSERT INTO hac_modelo180(Ejercicio,NIFPerc,NIFReP,Nombre,CodProv,Modalidad,ImpBase,PorcReten,ImpReten,EjerDev) " & _
"VALUES(@Ejercicio,@NIFPerc,@NIFReP,@Nombre,@CodProv,@Modalidad,@ImpBase,@PorcReten,@ImpReten,@EjerDev)", sqlConnecta)
sqlParam = New SqlParameter("@Ejercicio", Data.SqlDbType.SmallInt)
sqlComm.parameters.add(sqlParam)
sqlParam = New SqlParameter("@NIFPerc", Data.SqlDbType.Char)
sqlComm.parameters.add(sqlParam)
sqlParam = New SqlParameter("@NIFReP", Data.SqlDbType.Char)
sqlComm.parameters.add(sqlParam)
sqlParam = New SqlParameter("@Nombre", Data.SqlDbType.VarChar)
sqlComm.parameters.add(sqlParam)
sqlParam = New SqlParameter("@CodProv", Data.SqlDbType.TinyInt)
sqlComm.parameters.add(sqlParam)
sqlParam = New SqlParameter("@Modalidad", Data.SqlDbType.SmallInt)
sqlComm.parameters.add(sqlParam)
sqlParam = New SqlParameter("@ImpBase", Data.SqlDbType.Decimal)
sqlComm.parameters.add(sqlParam)
sqlParam = New SqlParameter("@PorcReten", Data.SqlDbType.Decimal)
sqlComm.parameters.add(sqlParam)
sqlParam = New SqlParameter("@ImpReten", Data.SqlDbType.Decimal)
sqlComm.parameters.add(sqlParam)
sqlParam = New SqlParameter("@EjerDev", Data.SqlDbType.Decimal)
sqlComm.Parameters.Add(sqlParam)

End Sub


Public Sub New()

End Sub
Public Overrides Sub ReleaseConnections()
nDts.ReleaseConnection(sqlConnecta)
End Sub

Protected Overrides Sub Finalize()
MyBase.Finalize()
End Sub
End Class







Thanks a lot for your help


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System.Security.SecurityException: Request For The Permission Of Type 'System.Data.SqlClient.SqlClientPermission, System.Data

Aug 21, 2006

I have created a windows library control that accesses a local sql database

I tried the following strings for connecting

Dim connectionString As String = "Data Source=localhostSQLEXPRESS;Initial Catalog=TimeSheet;Trusted_Connection = true"

Dim connectionString As String = "Data Source=localhostSQLEXPRESS;Initial Catalog=TimeSheet;Integrated Security=SSPI"



I am not running the webpage in a virtual directory but in

C:Inetpubwwwrootusercontrol

and I have a simple index.html that tries to read from an sql db but throws

the error

System.Security.SecurityException: Request for the permission of type 'System.Data.SqlClient.SqlClientPermission, System.Data, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed.
at System.Security.CodeAccessSecurityEngine.Check(Object demand, StackCrawlMark& stackMark, Boolean isPermSet)
at System.Security.PermissionSet.Demand()
at System.Data.Common.DbConnectionOptions.DemandPermission()
at System.Data.SqlClient.SqlConnection.PermissionDemand()
at System.Data.SqlClient.SqlConnectionFactory.PermissionDemand(DbConnection outerConnection)
at System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection,

etc etc

The action that failed was:
Demand
The type of the first permission that failed was:
System.Data.SqlClient.SqlClientPermission
The Zone of the assembly that failed was:
Trusted


I looked into the .net config utility but it says unrestricted and I tried adding it to the trusted internet zones in ie options security

I think that a windows form connecting to a sql database running in a webpage should be simple

to configure what am I missing?

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Request For The Permission Of Type 'System.Data.SqlClient.SqlClientPermission, System.Data, Version=2.0.0.0, Culture=neutral, Pu

Mar 12, 2008


I created a .net console application within which I connect to a sql server (not local) as follows,


string conn_str = "Integrated Security=SSPI;Persist Security Info=False;Initial Catalog=QuantEquitySql;Data Source=server name";

SqlConnection conn = new SqlConnection(conn_str);

conn.Open();
.
Everything works fine when I run it from my computer. When I try to run it from a network share I get the following error,

Request for the permission of type 'System.Data.SqlClient.SqlClientPermission, System.Data, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed.

I am using Visual Studio 2005 and .Net framwork v2.0.50727.

Does anybody know a fix to this problem?

Thanks

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A First Chance Exception Of Type 'System.Data.SqlClient.SqlException' Occurred In System.data.dll

Jan 18, 2008

Hi,
I've written this code multiple times now. But for the first time i get an error at the line underlined. My procedure runs perfectly when i execute it through Sql Query analyzer.
plzz help.. Its urgent and am unable to find the reason for this error "A first chance exception of type 'System.Data.SqlClient.SqlException' occurred in system.data.dll"
Thanks !SqlConnection conn = new SqlConnection(DbConnectionString);
conn.Open();
SqlCommand cmd = conn.CreateCommand();
cmd.CommandText = "dbo.rqryTradesPRR";
cmd.Parameters.Add("@COBDate",SqlDbType.DateTime).Value = "2002-10-31 00:00:00.000" ;
SqlDataReader reader = cmd.ExecuteReader();
while(reader.Read())
{
// have written something here

}
 Thanks in advance !
 

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System.Data.SqlClient.SqlException: The Conversion Of A Char Data Type To A Datetime Data Type Resulted In An Out-of-range Datetime Value.

Dec 14, 2005

After testing out the application i write on the local pc. I deploy it to the webserver to test it out. I get this error.

System.Data.SqlClient.SqlException: The conversion of a char data type to a
datetime data type resulted in an out-of-range datetime value.

Notes: all pages that have this error either has a repeater or datagrid which load data when page loading.

At first I thought the problem is with the date, but then I can see
that some other pages that has datagrid ( that has a date field) work
just fine.

anyone having this problem before?? hopefully you guys can help.

Thanks,

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System.Data.SqlClient.SqlException: Error Converting Data Type Numeric To Decimal.

Aug 31, 2004

Hi There,

I'm using C# to get a value for a DOUBLE precision variable, called "Length", from a textBox using the following line:

Length = Convert.ToDouble( txtLength.Text )

I'm also using the following lines to prepare my stored procedure call:

arParms[9] = new SqlParameter("@Length", SqlDbType.Decimal, 5);
arParms[9].Value = record.Length;

My stored procedure has the following parameter definition:

@Length decimal(9,3)

My problem is that if someone types a value bigger than 999999 in the textbox he will get for sure the following error:

System.Data.SqlClient.SqlException: Error converting data type numeric to decimal.

I don't know how to either make sql or C# to truncate the value or catch the exception to automatically assign 0 to the parameter.

Please Help.
Moshe

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System.Data.SqlClient.SqlException: Syntax Error Converting The Varchar Value 'V' To A Column Of Data Type Int

Aug 31, 2006

 I am using  a stored procedure which returns a value of charecter datatype 'V' to the calling program.I am getting an sql exception System.Data.SqlClient.SqlException: Syntax error converting the varchar value 'V' to a column of data type inti didnot define any int datatype in my tablethis is my codeSqlCommand com = new SqlCommand("StoredProcedure4", connection);com.CommandType = CommandType.StoredProcedure;  SqlParameter p1 = com.Parameters.Add("@uname", SqlDbType.NVarChar);SqlParameter p2 = com.Parameters.Add("@opwd", SqlDbType.NVarChar);SqlParameter p3 = com.Parameters.Add("@role", SqlDbType.NVarChar);p3.Direction = ParameterDirection.ReturnValue;p1.Value = username.Text.Trim();p2.Value = password.Text.Trim();com.ExecuteReader();lblerror2.Text = (string)(com.Parameters["@role"].Value); can your figure out what is the error ? Is it a coding error or error of the databse

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Request For The Permission Of Type 'System.Data.SqlClient.SqlClientPermission' Failed In MOSS 2007

Dec 6, 2007



Hi,

I have created a web part in ASP.Net. this web part is extracting data from the sql server database and displaying it on the web part page.
This web part is working fine with asp.net application, but when i deploy it with MOSS. it is reaising security exception error like.

Request for the permission of type 'System.Data.SqlClient.SqlClientPermission, System.Data, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed.

I have made the entry under the safe control list of web.config file. but still i am getting error any suggestion wud be highly appreciable..

pls reply me on sanjiv.singh@kpitcummins.com.

thanks you so much.

Regards,
Sanjiv Singh

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'System.Data.SqlClient.SqlClientPermission, System.Data, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' Fail

Jun 20, 2007

I have a report that uses some embedded custom code. The embedded custom code is a function that execute some sql query on a sql server database.Everything works fine in Visual studio. The report gets deployed on the server successfully, however when running the report from report manager i get the following error message :



The Hidden expression for the table €˜table1€™ contains an error: Request for the permission of type 'System.Data.SqlClient.SqlClientPermission, System.Data, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed.















Here is the code :

************************************************************************

Public function get_field() as string
Dim myConnection As System.Data.SqlClient.SqlConnection
Dim myCommand As System.Data.SqlClient.SqlCommand
Dim data_reader As System.Data.SqlClient.SqlDataReader
Dim field(100) as string
Dim i as integer
Dim j as integer
Dim sql_field as string
Dim nbr_field as integer
Dim rtn_string as string


i = 0
sql_field ="Select field from mytable"
myConnection = New System.Data.SqlClient.SqlConnection("Datasource=xxx.xxx.xxx.xxmydatabase;Initial Catalog=mydatabase;User Id=user1;Password=password1;")
myConnection.Open()
myCommand = New System.Data.SqlClient.SqlCommand(sql_field, myConnection)
data_reader = myCommand.ExecuteReader()
While data_reader.Read()
if data_reader.HasRows then
field(i)= data_reader(0).ToString()
end if
nbr_field = nbr_field + 1
i= i+1
End While
data_reader.Close()
myConnection.Close()


for j = 0 to nbr_field -1
rtn_string = rtn_string + field(j) + ","
Next j

rtn_string = left(rtn_string,rtn_string.length-1)
return rtn_string
'return sql_cmd
'return yes_no
'return lkupfield
end function

******************************************************************

Why do i get the error message ?, is this related to Code Access Security issues with .net framework. if yes

how do i set the Security so the report server or report manager allows embedded custom code to be executed. Any advice ?



Chi








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SqlDataSource.Select Error: Unable To Cast Object Of Type 'System.Data.DataView' To Type 'System.String'.

Oct 19, 2006

I am trying to put the data from a field in my database into a row in a table using the SQLDataSource.Select statement. I am using the following code: FileBase.SelectCommand = "SELECT Username FROM Files WHERE Filename = '" & myFileInfo.FullName & "'" myDataRow("Username") = CType(FileBase.Select(New DataSourceSelectArguments()), String)But when I run the code, I get the following error:Server Error in '/YorZap' Application. Unable to cast object of type 'System.Data.DataView' to type 'System.String'. Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. Exception Details: System.InvalidCastException: Unable to cast object of type 'System.Data.DataView' to type 'System.String'.Source Error: Line 54: FileBase.SelectCommand = "SELECT Username FROM Files WHERE Filename = '" & myFileInfo.FullName & "'"
Line 55: 'myDataRow("Username") = CType(FileBase.Select(New DataSourceSelectArguments).GetEnumerator.Current, String)
Line 56: myDataRow("Username") = CType(FileBase.Select(New DataSourceSelectArguments()), String)
Line 57:
Line 58: filesTable.Rows.Add(myDataRow)Source File: D:YorZapdir_list_sort.aspx    Line: 56 Stack Trace: [InvalidCastException: Unable to cast object of type 'System.Data.DataView' to type 'System.String'.]
ASP.dir_list_sort_aspx.BindFileDataToGrid(String strSortField) in D:YorZapdir_list_sort.aspx:56
ASP.dir_list_sort_aspx.Page_Load(Object sender, EventArgs e) in D:YorZapdir_list_sort.aspx:7
System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +13
System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +45
System.Web.UI.Control.OnLoad(EventArgs e) +80
System.Web.UI.Control.LoadRecursive() +49
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +3743
Version Information: Microsoft .NET Framework Version:2.0.50727.42; ASP.NET Version:2.0.50727.210 Please help me!

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@PARAM1 : Unable To Cast Object Of Type 'System.Data.SqlTypes.SqlInt32 To Type System.IConvertable

Apr 23, 2007

I get the following message in the vs2005 querybuilder when i do a preview:



***********************************
SQL Execution Error.

Executed SQL statement: SELECT Schoolindex, Variant, VVSchool, [index], indincl, VVRuimtes, School FROM School WHERE (Schoolindex = @PARAM1)



Error Source: SQL Server Compact Edition ADO.NET Data Provider


Error Message: @PARAM1 : Unable to cast object of type 'System.Data.SqlTypes.SqlInt32 to type System.IConvertable'.
****************************************

The same querypreview works fine without the parameter:



SELECT Schoolindex, Variant, VVSchool, [index], indincl, VVRuimtes, School FROM School WHERE (Schoolindex = 186)



Can anybody tell me why this is?
And tell me a way to get the tableadapter working?



Anne-Jan Tuinstra

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System.Data.SqlClient.SqlError: Cannot Open Backup Device '\.Tape0'. Operating System Error 5(error Not Found). (Microsoft.Sql

Nov 25, 2007

System.Data.SqlClient.SqlError: Cannot open backup device '\.Tape0'. Operating system error 5(error not found). (Microsoft.SqlServer.express.Smo)

i have only one sql instance and tape is istalled successfully.
please help me to find solution for this error.

Thanks,

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System.Data.sqlclient

Sep 22, 2007

 
i have installed visual express and sql express.
but the problem is  i want to add the connection string manuallty in visual studio express 2005.
so i want to add a reference of sql.data.sqlclient but could not add ?
i am not sure what is the problem or is am i missing anything
 

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System.Data.SqlClient

Feb 1, 2008

 
I am not able to add the namespace "system.data.SqlClient"  and not able to get the intellisense for sqlconnections. I have only vs2005.  i do not have sql management express
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System.Data.SqlClient.SqlException :( -- Please Help

Feb 19, 2004

Hi All,

I am new to ASP.NET and trying to learn. I am getting the problem when I try to insert data into SQL. The exception that I am getting is

Exception Details: System.Data.SqlClient.SqlException: An explicit value for the
identity column in table 'Customers' can only be specified when a column list is used and IDENTITY_INSERT is ON.

My table name is 'Customers' and its as below.
-----------------------------------------------------------------------
CustomerID--numeric---Identity Seed is 1000---Identity Increment is 1---No Nulls.
Name--------varchar---No Nulls.
address------Varchar---No Nulls.
State--------Varchar---No Nulls.
Zip-----------VarcHar---No Nulls.
PhoneNumber-Varchar---No Nulls.
Email---------Varchar---No Nulls.

and my code is (No fun of my code please--I am a learner)
-----------------------------------------------------------------------

Imports System.Data

Imports System.Data.SqlClient

Public Class register

Inherits System.Web.UI.Page

Protected WithEvents cnNWind As SqlConnection

'Protected drCustomers As SqlDataReader

Protected WithEvents lbladd As System.Web.UI.WebControls.Label

Protected WithEvents lblState As System.Web.UI.WebControls.Label

Protected WithEvents lblcity As System.Web.UI.WebControls.Label

Protected WithEvents lblzip As System.Web.UI.WebControls.Label

Protected WithEvents lblPhone As System.Web.UI.WebControls.Label

Protected WithEvents lblEmail As System.Web.UI.WebControls.Label

Protected WithEvents TxtName As System.Web.UI.WebControls.TextBox

Protected WithEvents txtAdd As System.Web.UI.WebControls.TextBox

Protected WithEvents txtState As System.Web.UI.WebControls.TextBox

Protected WithEvents txtCity As System.Web.UI.WebControls.TextBox

Protected WithEvents txtZip As System.Web.UI.WebControls.TextBox

Protected WithEvents txtPhone As System.Web.UI.WebControls.TextBox

Protected WithEvents TxtEmail As System.Web.UI.WebControls.TextBox

Protected WithEvents BtnSubmit As System.Web.UI.WebControls.Button

Protected WithEvents Label1 As System.Web.UI.WebControls.Label

#Region " Web Form Designer Generated Code "

'This call is required by the Web Form Designer.

<System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()

End Sub

Private Sub Page_Init(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Init

'CODEGEN: This method call is required by the Web Form Designer

'Do not modify it using the code editor.

InitializeComponent()

End Sub

#End Region

Private Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load

'Put user code to initialize the page here

End Sub

Private Sub BtnSubmit_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles BtnSubmit.Click

cnNWind = New SqlConnection()

cnNWind.ConnectionString = "Data Source=(local); Initial Catalog=cart; Integrated Security=SSPI"

cnNWind.Open()

If cnNWind.State = ConnectionState.Open Then

Dim cmCustomers As New SqlCommand("INSERT INTO Customers VALUES ('',' " & TxtName.Text & "','" & txtAdd.Text & "','" & txtState.Text & "','" & txtZip.Text & "','" & txtPhone.Text & "','" & TxtEmail.Text & "')", cnNWind)

cmCustomers.ExecuteNonQuery()

cmCustomers.ExecuteNonQuery()

cnNWind.Close()

End If

End Sub

End Class

The Error I am getting:
-----------------------------------------------------------------------
Server Error in '/SCart' Application.
--------------------------------------------------------------------------------

An explicit value for the identity column in table 'Customers' can only be specified when a column list is used and IDENTITY_INSERT is ON.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.Data.SqlClient.SqlException: An explicit value for the identity column in table 'Customers' can only be specified when a column list is used and IDENTITY_INSERT is ON.

Source Error:


Line 46: If cnNWind.State = ConnectionState.Open Then
Line 47: Dim cmCustomers As New SqlCommand("INSERT INTO Customers VALUES ('','" & TxtName.Text & "','" & txtAdd.Text & "','" & txtState.Text & "','" & txtZip.Text & "','" & txtPhone.Text & "','" & TxtEmail.Text & "')", cnNWind)
Line 48: cmCustomers.ExecuteNonQuery()
Line 49: cnNWind.Close()
Line 50: End If


Source File: d:inetpubwwwrootSCart
egister.aspx.vb Line: 48

Stack Trace:


[SqlException: An explicit value for the identity column in table 'Customers' can only be specified when a column list is used and IDENTITY_INSERT is ON.]
System.Data.SqlClient.SqlCommand.ExecuteNonQuery()
SCart.register.BtnSubmit_Click(Object sender, EventArgs e) in d:inetpubwwwrootSCart
egister.aspx.vb:48
System.Web.UI.WebControls.Button.OnClick(EventArgs e)
System.Web.UI.WebControls.Button.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument)
System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument)
System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData)
System.Web.UI.Page.ProcessRequestMain()

--------------------------------------------------------------------------------
Version Information: Microsoft .NET Framework Version:1.1.4322.573; ASP.NET Version:1.1.4322.573


The code works fine If I Dont use Identity Column, But I need to use Identity Column in my Project :( ...Please Help.

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Question About System.Data.SqlClient.SqlException

Apr 14, 2007

 I'm trying to retrieve an image from my ms sql server 2005, and i'm using VS2005....however, i have the following error during the compilation process  Code in webform2.aspx.vb:Partial Class webform2    Inherits System.Web.UI.Page    Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load        Dim connstr As String = "Data Source=DCPRJ007SQLEXPRESS;Initial Catalog=mydatabase;Integrated Security=True"        Dim cnn As New Data.SqlClient.SqlConnection(connstr)        Dim cmd As New Data.SqlClient.SqlCommand("select * from dbo.images where id=" & Request.QueryString("id"), cnn)        cnn.Open()        Dim dr As Data.SqlClient.SqlDataReader = cmd.ExecuteReader()        Dim bindata() As Byte = dr.GetValue(1)        Response.BinaryWrite(bindata)    End SubEnd Class    System.Data.SqlClient.SqlException was unhandled by user code  Class=15  ErrorCode=-2146232060  LineNumber=1  Message="Incorrect syntax near '='."  Number=102  Procedure=""  Server="DCPRJ007SQLEXPRESS"  Source=".Net SqlClient Data Provider"  State=1  StackTrace:       at System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection)       at System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection)       at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj)       at System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj)       at System.Data.SqlClient.SqlDataReader.ConsumeMetaData()       at System.Data.SqlClient.SqlDataReader.get_MetaData()       at System.Data.SqlClient.SqlCommand.FinishExecuteReader(SqlDataReader ds, RunBehavior runBehavior, String resetOptionsString)       at System.Data.SqlClient.SqlCommand.RunExecuteReaderTds(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, Boolean async)       at System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, DbAsyncResult result)       at System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method)       at System.Data.SqlClient.SqlCommand.ExecuteReader(CommandBehavior behavior, String method)       at System.Data.SqlClient.SqlCommand.ExecuteReader()       at webform2.Page_Load(Object sender, EventArgs e) in C:Documents and SettingsAdministratorMy DocumentsVisual Studio 2005WebSitesWebSite7webform2.aspx.vb:line 10       at System.Web.UI.Control.OnLoad(EventArgs e)       at System.Web.UI.Control.LoadRecursive()       at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)

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-- Please Help System.Data.SqlClient.SqlClientPermission Problem ---

Nov 7, 2007

im getting this error when i try to access the application from the network. but in my computer work fine
 
Request for the permission of type 'System.Data.SqlClient.SqlClientPermission, System.Data, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed.
please help... thanxs

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System.Data.SqlClient.ConnectionPool.CreateConnection

Jul 2, 2006



Hi,

I had make one Desktop application in VB.net, having 6 threads simultaneously running. And each thread connect to sql server and stored the value in DB at every one second. Now my problem is that when I start the application its working fine but after 20-30 minutes exception is occuring.

Login failed for user 'sa'.
Exception StackTrace:
at System.Data.SqlClient.ConnectionPool.CreateConnection()
at System.Data.SqlClient.ConnectionPool.PoolCreateRequest(Object state)

can anybody help me

- Hiren

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Articles About Data Access Using System.Data.SqlClient Namespace?

Mar 20, 2004

Aaarrgghhhhhhh, still searchin' for a nice step-by-step article to learn data access (all insert delete update commands) with the SQL Server .NET Data Provider found in [System.Data.SqlClient] namespace....

Can anyone plz help me to find it?

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System.Data.SqlClient.SqlException - When Inserting Image

Jul 13, 2006

Hi All,
I have a form (asp website with the default.aspx and default.aspx.cs) which I use to connect to the SQL Server 2005 database and insert, update,get and delete data to and from it. In the table I have a column called Picture to insert a photo (usually bmp files) which I declared as a varbinary(max). ID is the primary key and is an int (i tried it to be numeric & varchar).
I am trying to insert data into the table using a form with this syntax:
SqlConnection enter_conn = new SqlConnection("user id=;" +
"password=;server=servername;" +
"Trusted_Connection=yes;" +
"database=Member Profiles; " +
"connection timeout=30");
enter_conn.Open();
string insertSql = "Insert dbo.Details(ID,Last_Name,First_Name,Middle_Initial,Project, Organization,Manager,Current_Skills,Biography,Hobbies, Picture) Select 1001, 'ABC','XYZ','R',' Website Development','ACT',LKM','ASP.Net, C#.Net, SQL Server 2005, SharePoint, Java, ',' developing the new website for ACT using SharePoint and SQL Server 2005', ' Singing, Listening to Music, Dancing, Cooking, Swimming', BulkColumn from Openrowset( Bulk 'C:\photos\rose.bmp', Single_Blob) as Picture";


SqlCommand myCommand = new SqlCommand(insertSql, enter_conn);
int i = myCommand.ExecuteNonQuery();
 
 I have no data in the table and am doing the first insert. Though the data gets inserted I am getting this exception:
System.Data.SqlClient.SqlException: Violation of PRIMARY KEY constraint 'PK_Details'. Cannot insert duplicate key in object 'dbo.Details'. The statement has been terminated. at System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection) at System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection) at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj) at System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj) at System.Data.SqlClient.SqlCommand.RunExecuteNonQueryTds(String methodName, Boolean async) at System.Data.SqlClient.SqlCommand.InternalExecuteNonQuery(DbAsyncResult result, String methodName, Boolean sendToPipe) at System.Data.SqlClient.SqlCommand.ExecuteNonQuery() at _Default.Enter_Click(Object sender, EventArgs e) in c:Documents and SettingskrkondaXMy DocumentsVisual Studio 2005WebSitesMember ProfilesDefault.aspx.cs:line 82
 
Can someone please suggest anything???? I appreciate a quick response please!!!!
 
Thanks,
Kavya

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System.Data.SqlClient.SqlException: Invalid Object Name

Dec 19, 2006

I am getting this error message 
System.Data.SqlClient.SqlException: Invalid object name 'RacingHeritage'
I have noticed from other posts where the database owner is the login name
I rebuilt the table and the owner is now dbo
Here is the Code 
   Function GetCustomers() As System.Data.DataSet        Dim connectionString As String = Application("HiddenConnection")        Dim dbConnection As System.Data.IDbConnection = New System.Data.SqlClient.SqlConnection(connectionString)
        Dim queryString As String = "SELECT [RacingHeritage].[RHID], [RacingHeritage].[UserID], [RacingHeritage].[Clie"& _            "ntFirstName] FROM [RacingHeritage]"        Dim dbCommand As System.Data.IDbCommand = New System.Data.SqlClient.SqlCommand        dbCommand.CommandText = queryString        dbCommand.Connection = dbConnection
        Dim dataAdapter As System.Data.IDbDataAdapter = New System.Data.SqlClient.SqlDataAdapter        dataAdapter.SelectCommand = dbCommand        Dim dataSet As System.Data.DataSet = New System.Data.DataSet        dataAdapter.Fill(dataSet)
        Return dataSet    End Function
Any Ideas

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System.Data.SqlClient.SqlException: SSL Security Error

May 15, 2007

Hello,
we have asp.net apps on a windows 2003 server that connect to an instance of sql server 2005 enterprise edition on another windows 2003 server.  We get this error at random times.  Anyone know what could be causing it?
 
System.Web.HttpUnhandledException: Exception of type System.Web.HttpUnhandledException was thrown. ---> System.Data.SqlClient.SqlException: SSL Security error.   at System.Data.SqlClient.ConnectionPool.GetConnection(Boolean& isInTransaction)   at System.Data.SqlClient.SqlConnectionPoolManager.GetPooledConnection(SqlConnectionString options, Boolean& isInTransaction)   at System.Data.SqlClient.SqlConnection.Open()Thanks

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System.Data.SqlClient.SqlException: Incorrect Syntax Near '&>'.

Mar 8, 2008

I keep getting this error whenever I try to run my query:   System.Data.SqlClient.SqlException: Incorrect syntax near '>'.
I'm just trying to fill a  dataset with three tables that contain the past few days headlines...what am I doing wrong?? Private Sub fishHeadlines()
Dim dateNow As DateTime = DateTime.Now()Dim dateThen As DateTime = DateTime.Today.AddDays(-2)
'create the table array so we can create the sql statement in a moment
Dim table() As Stringtable = New String() {"Snapper", "Scissor", "MahiMahi"}
Dim strSelect As String
'Create a dataset to hold the tables containing the headlinesDim headlinesDS As New DataSet()
'create the connection string - SnapshotConnectionString is in web.config file
Dim strConnect As StringstrConnect = ConfigurationManager.ConnectionStrings("fishConnectionString").ConnectionString
'create a connection object to the databaseDim objConnect As New SqlConnection(strConnect)
objConnect.Open()
Dim i As Integer
'fill the datatablesFor i = 0 To table.Length
strSelect = "SELECT Event FROM " & table(i) & "WHERE (DateOfEntry > '" & dateThen & "')"
'create a data adapter object using connection and sql statementsDim objDA1 As New SqlDataAdapter(strSelect, objConnect)
'fill the dataset
objDA1.Fill(headlinesDS, table(i))
Next
Dim strTable As StringDim dr As DataRow
strTable = "<table>"For i = 0 To table.Length
For Each dr In headlinesDS.Tables(table(i)).Rows
strTable += "<tr><td>" & dr(0).ToString() & "</td></tr>"
Next
Next
strTable += "</table>"
'display the data
lblHeadlines.Text = strTable
End Sub

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Is System.Data.SqlClient Still The Default Provider For The SqlDataSource?

Mar 18, 2008

While learning ASP.net 2.0, I was taught that the the default provider for the SqlDataSource was System.Data.SqlClient, and that I only needed to specify it as a provider when I put it in the web.config file. However, now (in VWDE 2008) when I add a SqlDataSource to a page, it adds ProviderName="System.Data.SqlClient". Does this mean that it isnt the default anymore?

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This Has Baffled Me For Years: What Is ProviderName=System.Data.SqlClient/&> ???

Apr 6, 2008

Hello,
I see the following in connection strings all the time:       providerName="System.Data.SqlClient"/>
 For example:<connectionStrings><add name="classifiedsConnection" connectionString="Data Source=.SQLEXPRESS;AttachDbFilename=|DataDirectory|classifiedsdb.mdf;Integrated Security=True;User Instance=True" providerName="System.Data.SqlClient"/></connectionStrings>
What is providerName="System.Data.SqlClient" ?  What is it used for?Thanks, Jim 
 

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Strange SQL Error System.Data.SqlClient.SqlException

May 1, 2008

Hi there, i copied some insert code from one page to another and it keeps throwing me this error, i was wondering if anyone can help me out. Here is the error
System.Data.SqlClient.SqlException: The name "Credit" is not permitted in this context. Valid expressions are constants, constant expressions, and (in some contexts) variables. Column names are not permitted. at System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection) at System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection) at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj) at System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj) at System.Data.SqlClient.SqlCommand.RunExecuteNonQueryTds(String methodName, Boolean async) at System.Data.SqlClient.SqlCommand.InternalExecuteNonQuery(DbAsyncResult result, String methodName, Boolean sendToPipe) at System.Data.SqlClient.SqlCommand.ExecuteNonQuery() at Admin_expenses.Button1_Click(Object sender, EventArgs e) in d:hostingmemberashdfhtdocswwwAdminexpenses.aspx.cs:line 40
 This is my code, i cant see anything obvious and as i said i just copied it across, the only things changed were the names and the sqlstringprotected void Button1_Click(object sender, EventArgs e)
{decimal intamount = Convert.ToDecimal(txtAmount.Text);
string sConnectionStringExpense = "Data Source=xxxx;Initial Catalog=xxxx;User ID=xxxx;Password=xxxx";SqlConnection objConnExpense = new SqlConnection(sConnectionStringExpense);
 using (objConnExpense)
{
objConnExpense.Open();string sqlExpense = "INSERT INTO tbl_expenses (expense_amount, expense_payment_type, expense_type, expense_description) " +
"VALUES (" + intamount + "," + ddlPaymentType.SelectedItem + "," + ddlExpenseType.SelectedValue + "," + txtDescription.Text + ")";SqlCommand objCmdExpense = new SqlCommand(sqlExpense, objConnExpense);
try
{
objCmdExpense.ExecuteNonQuery();
}catch (Exception ex)
{lblcomplete.Text = "!!Adjust stock for product at location " + Convert.ToString(ex);
}
finally
{
objConnExpense.Close();
}
}

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When To Code 'providerName=System.Data.SqlClient In ConnectionStrings, Or Not To?

May 31, 2008

Yesterday, in response to an error msg (something like Login failed for user ''), I deleted the 'providerName=System.Data.SqlClient'in my connectionStrings from Web.config.  Then the aspx website worked.I understand that the value "System.Data.SqlClient" specifies that ASP.NET should
use the ADO.NET provider System.Data.SqlClient
when making a connection.  Why deleting providerName solved the error?  Jeffrey 

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System.Data.SqlClient.SqlException: Specified SQL Server Not Found

Mar 9, 2004

Hi everybody,

We are developing Asp.Net Application in following environment.

Windows 2003
Dot Net 2003
SQL Server 2000

Problem :

We have team of four people. We made one machine as database server and rest of the people trying to connect to that database server. we are getting error "SQL server not found.".

We are using following string as a connection string.

"DATA SOURCE=192.292.7.105;DATABASE=xxx;User ID=xxx;password=xxxx"

We have tried same connection string with the VB.Net program. It is working fine.

But when we are trying same string in the web application. It is giving me the above mentioned error.

Can any one help me ?

Thanks is advance.


From

Jigar Shah

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