What Is The Type Of Object Returned By AquireConnection
Sep 23, 2006
Hi,
I cannot seem to find the documentation on what is returned when you call ConnectionManager. For example in the code below I'm using an FTP Connection Manager. The cn variable is a System.__ComObject and I cannot see how to determine what com type it actually is, nor can I find any API documentation which describes the types each connection manager "manages".
The reason I'm trying to do this is I want to create a script which enumerates the directoy listing of an FTP site, I've got it working using varaibles but I'm trying to see if it's possible to use the connection manager instead.
Dim cmgr As Microsoft.SqlServer.Dts.Runtime.ConnectionManager = Dts.Connections("FTP Connection Manager")
Dim cn As Object = cmgr.AcquireConnection(Nothing)
Dave
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Nov 27, 2007
hi i dont know how to do type casting.
this.Variables.ObjVariable this objVariables i have create in variable place below like this
Name:Variable datatype int32 values 0
Name: NumberofRowsdatatype int32 values 10000
Name: ObjVariable datatype Object
My code
public override void CreateNewOutputRows()
{
/*
Add rows by calling the AddRow method on the member variable named "<Output Name>Buffer".
For example, call MyOutputBuffer.AddRow() if your output was named "MyOutput".
*/
System.Data.OleDb.OleDbDataAdapter oLead = new System.Data.OleDb.OleDbDataAdapter();
//System.Data.Odbc.OdbcDataAdapter oLead = new System.Data.Odbc.OdbcDataAdapter();
//SqlDataAdapter oLead = new SqlDataAdapter();
System.Data.DataTable dt = new System.Data.DataTable();
DataSet ds = (DataSet)this.Variables.ObjVariable; // here i am getting error
ds.Tables.Add(dt);
ADODB.Record rs = new ADODB.Record();
oLead.Fill(ds, rs, "Variables");
foreach (DataRow row in dt.Rows)
{
{
Output0Buffer.AddRow();
Output0Buffer.Column = (int)row["Column"];
Output0Buffer.Column1 = row["Column1"].ToString();
Output0Buffer.Column2 = row["Column2"].ToString();
}
}
}
}
This is the error
Unable to cast object of type 'System.Object' to type 'System.Data.DataSet'.
at ScriptMain.CreateNewOutputRows()
at UserComponent.PrimeOutput(Int32 Outputs, Int32[] OutputIDs, PipelineBuffer[] Buffers)
at Microsoft.SqlServer.Dts.Pipeline.ScriptComponentHost.PrimeOutput(Int32 outputs, Int32[] outputIDs, PipelineBuffer[] buffers)
thanks
kedaranth
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Jun 17, 2014
I need to get the object type (view, table ...etc) for a synonym base object inside a script. The only place where I see something related to this stored is in column "base_object_name" in sys.synonyms but there I can see only the same with format [database].[user/schema].[name]. After some testing playing with different users without specifying database/schema I think that maybe the object_id must be stored in a another place, my first idea was parent_object_id in sys.synonyms but it isn't stored there.
know if object_id for the base object is stored in any other place ?
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Nov 22, 2006
Hi Friends,
I am having a Package scope variable DS of type system.object .In the Script Component which accept this variable as ReadWrite type I am Making the following assignment.
Public Overrides Sub PostExecute()
Variables.DsReport = DsReport // DsReport is a Data Set Object Created and Populated inside the script Component
End Sub
I am getting error while doing this sort of assignment.
Please help me to solve this problem
Regards,
Mahe
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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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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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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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Jun 19, 2008
I'm getting this error on a vb.net page the needs to execute two separate stored procedures. The first one, is the main insert, and returns the identity value for the ClientID. The second stored procedure inserts data, but needs to insert the ClientID returned in the first stored procedure. What am I doing wrong with including the identity value "ClientID" in the second stored procedure?
Unable to cast object of type 'System.String' to type 'System.Web.UI.WebControls.Parameter'. 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.String' to type 'System.Web.UI.WebControls.Parameter'.Source Error:
Line 14: If li.Selected Then
Line 15: InsertClientCompanyType.InsertParameters("CompanyTypeID").DefaultValue = li.Value
Line 16: InsertClientCompanyType.InsertParameters("ClientID") = ViewState("ClientID")
Line 17:
Line 18:
Source File: C:InetpubwwwrootIntranetExternalAppsNewEmploymentClientNewClient.aspx.vb Line: 16
Here is my code behind... What am I doing wrong with grabbing the ClientID from the first stored procedure insert?
Protected Sub InsertNewClient_Inserted(ByVal sender As Object, ByVal e As SqlDataSourceStatusEventArgs)ClientID.Text = e.Command.Parameters("@ClientID").Value.ToString()ViewState("ClientID") = e.Command.Parameters("@ClientID").Value.ToString()End SubProtected Sub Submit_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Submit.ClickInsertNewClient.Insert()For Each li As ListItem In CompanyTypeID.Items
If li.Selected ThenInsertClientCompanyType.InsertParameters("CompanyTypeID").DefaultValue = li.ValueInsertClientCompanyType.InsertParameters("ClientID") = ViewState("ClientID")InsertClientCompanyType.Insert()End IfNextEnd Sub
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Dec 20, 2006
I have an application which runs successfully on a couple of my customer's machines but fails on a third. It seems to fail when opening the database:
Unable to cast COM object of type 'ADODB.CommandClass' to interface type 'ADODB._Command'. This operation failed because the QueryInterface call on the COM component for the interface with IID '{B08400BD-F9D1-4D02-B856-71D5DBA123E9}' failed due to the following error: No such interface supported (Exception from HRESULT: 0x80004002 (E_NOINTERFACE)).
Provider=SQLOLEDB.1;Integrated Security=SSPI;Persist Security Info=false; Initial Catalog=lensdb;Data Source = SQL
Before I got this error I was getting another problem (sorry didn't make a copy of that error's text) that made me think that adodb.dll simply wasn't loaded/registered. I got rid of that error by copying my adodb.dll onto the third machine and running gacutil /i. There is now an entry in winntassemblies for adodb.
Just in case you think it could be an obvious registry problem: when I started getting the current error I thought that maybe the registry needed updating and I merged the following lines into onto the target machine (from my dev machine):
Windows Registry Editor Version 5.00
[HKEY_CLASSES_ROOTInterface{B08400BD-F9D1-4D02-B856-71D5DBA123E9}]
@="_Command"
[HKEY_CLASSES_ROOTInterface{B08400BD-F9D1-4D02-B856-71D5DBA123E9}ProxyStubClsid]
@="{00020424-0000-0000-C000-000000000046}"
[HKEY_CLASSES_ROOTInterface{B08400BD-F9D1-4D02-B856-71D5DBA123E9}ProxyStubClsid32]
@="{00020424-0000-0000-C000-000000000046}"
[HKEY_CLASSES_ROOTInterface{B08400BD-F9D1-4D02-B856-71D5DBA123E9}TypeLib]
@="{EF53050B-882E-4776-B643-EDA472E8E3F2}"
"Version"="2.7"
[HKEY_LOCAL_MACHINESOFTWAREClassesInterface{B08400BD-F9D1-4D02-B856-71D5DBA123E9}]
@="_Command"
[HKEY_LOCAL_MACHINESOFTWAREClassesInterface{B08400BD-F9D1-4D02-B856-71D5DBA123E9}ProxyStubClsid]
@="{00020424-0000-0000-C000-000000000046}"
[HKEY_LOCAL_MACHINESOFTWAREClassesInterface{B08400BD-F9D1-4D02-B856-71D5DBA123E9}ProxyStubClsid32]
@="{00020424-0000-0000-C000-000000000046}"
[HKEY_LOCAL_MACHINESOFTWAREClassesInterface{B08400BD-F9D1-4D02-B856-71D5DBA123E9}TypeLib]
@="{EF53050B-882E-4776-B643-EDA472E8E3F2}"
"Version"="2.7"
but, no change alas.
All three machines are running Windows 2000.
Any advice would be appreciated.
Thanks in advance,
Ross
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Aug 13, 2007
Hi,
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Thanks a lot in advance.
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Dec 31, 2007
Hi, I got this field (dateSubmitted) having a data type of DateTime but I receive this error "Unable to cast object of type 'System.DateTime' to type 'System.String'." All value for dateSubmitted field are 12/27/2007 12:00:00 AM. cheers,imperialx
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Jan 15, 2007
I got this error for a calculated field that calls a public function of a custom assembly based on the report parameter values. The return type is an array of double.
=code.ovalues.dGetValues(Parameters!Report_Start.Value, Parameters!Report_End.Value, Parameters!Tag.Value, Parameters!Agg.Value)
Does SSRS 2005 supports the type double for a field? Can the data source of a field in a dataset be an array? Is there a way to pass the array to a field by reference and display the values at runtime?
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Aug 17, 2007
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Hi How should i solve this problem
Regards
KAren
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I have a SSAS stored procedure with a signature:
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To get the value of the measure for each tuple in the set toBeProcessed, I create an Expression for each tuple (measure) in the set measuresToWorkWith then for each tuple in toBeProcessed call expression.Calculate(tuple) which returns a MDXValue.
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However, if one of the measures is a query-scoped calculation then it could return a .NET double, int, bool or string.
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Hello,
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Regards,
mathmax
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Jan 25, 2006
Hi
I have some SSIS variables of type System.Object (they have to be this
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set in an Execute SQL task which is querying an Oracle database.
Although I know the Oracle table columns are Numeric, this was the only
SSIS type that worked).
My problem is that I want to use these variables in expressions, but
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The only workaround I can think of is to use a script to assign
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thanks
- Jerzy
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Unable to cast object of type 'System.String' to type 'System.Web.UI.DataSourceSelectArguments'.
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Hi, In my pageload i have data retriving from a page and i want it to load it in the GridView. i have GridView and SqlDataSource but when the page loads i am getting the above error. i am not sure what im doing wrong here. i tried different ways. but no luck Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
If Not IsPostBack Thenfp = CType(Context.Handler, Member)
'lblEmail.Text = fp.EMM.ToString
'this labelbox for Email address is under the Name'lblEmail.Text = fp.EmailAddress.ToString
Dim conn As SqlConnection = New SqlConnection(ConfigurationManager.ConnectionStrings("imacstestConnectionString").ConnectionString)
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conn.Open()
SqlDataSource1.Select(cmd.ExecuteScalar())
'.ExecuteScalar()
conn.Close()
End If
End Sub
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Jan 25, 2008
In Sql Server 2005, Sql Server Mangerment Studio 9.00.1399.00
I connected an user instance to the databases under .SQLEXPRESS(SqlServer 9.0.3042 -....)
when I right click on a table
and chose modify, or new table...
I get
TITLE: Microsoft SQL Server Management Studio
------------------------------
Unable to cast object of type 'Microsoft.SqlServer.Management.Smo.Urn' to type 'Microsoft.SqlServer.Management.Smo.Urn'. (SQLEditors)
------------------------------
BUTTONS:
OK
------------------------------
same thing for views
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btw script .... as seem to be erro free Error free is also View dependence,
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When I open up my existing SSIS project, I always get this error. Does anyone know what was wrong ?
TITLE: Microsoft Visual Studio
------------------------------
Unable to cast COM object of type 'Microsoft.SqlServer.Dts.Runtime.Wrapper.PackageNeutralClass' to interface type 'Microsoft.SqlServer.Dts.Runtime.IObjectWithSite'. This operation failed because the QueryInterface call on the COM component for the interface with IID '{FC4801A3-2BA9-11CF-A229-00AA003D7352}' failed due to the following error: The application called an interface that was marshalled for a different thread. (Exception from HRESULT: 0x8001010E (RPC_E_WRONG_THREAD)).
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Nov 18, 2015
In my ssis 2012 package, I have a 'object' type variable with some table like records. I want to do some SQL operations like insert/update on the records in another table based on this 'Object' type variable records. Basically I want to use a MERGE statement with another physical table with the records in the 'Object' type variable.how to map/use the Object type variable in Execute sql task.I am not good in script task. How to utilize this Object variable in a Execute sql task? Â
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Apr 20, 2008
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,Gary"we truly fail, only when we quit."
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I have a strange problem. I have some code that executes a sql query. If I run the query in SQL server query analyzer, I get a set of data returned for me as expected. This is the query listed on lines 3 and 4. I just manually type it into query analyzer.
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If someone is able to help me figure this out, I would appreciate it.
1. public DataSet GetMarketList(string region, string marketRegion)2. {3. string sql = @"SELECT a.RealEstMarket FROM MarketMap a, RegionMap b " + 4."WHERE a.RegionCode = b.RegionCode"; 5. DataSet dsMarketList = new DataSet();6. SqlConnection sqlConn = new SqlConnection(intranetConnStr); 7. SqlCommand cmd = new SqlCommand(sql,sqlConn);8. sqlConn.Open();9. SqlDataAdapter adapter = new SqlDataAdapter(cmd); 10. try11. {12. adapter.Fill(dsMarketList);
13. String bling = adapter.SelectCommand.CommandText;//BRG 14. dsMarketList.DataSetName="RegionMarket"; 15. dsMarketList.Tables[0].TableName = "MarketList"; 16. dsMarketList.WriteXml(Server.MapPath ("myXMLFile.xml" )); // The data written to 17. myXMLFile.xml is not the same data that is returned when I run the query on line 3&4 18. // from the SQL query 19. } 20. catch(Exception e) 21. { 22. // Handle the exception (Code not shown)
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Oct 11, 2006
Hi There,This is related to a ms access database but since I use the SqlDataSource control I thought I should post here.I have a project that I was working on with this ms access db and using sql controls, everything was working just finesince one day I started getting "Object reference not set to an instance of an object" messages when I try to designa query or retrieve a schema, nothing works at design time anymore but at runtime everything is perfect, its a lotof work for me now to create columns,schemas and everything manually, I've tried reinstalling visualstudio, ado componentsbut nothing seems to fix it, did this ever happen to any of you guys?any tip is really appreciated thanks a lot
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Dec 17, 2007
Does any one has any clue for this error ? I did went through a lot of articles on this error but none helped . I am working in Visual studie 2005 and trying to upload image in sql database through a simple form. Here is the code
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;
using System.Web.Configuration;
using System.IO;
public partial class Binary_frmUpload : System.Web.UI.Page
{protected void Page_Load(object sender, EventArgs e)
{
}protected void btnUpload_Click(object sender, EventArgs e)
{if (FileUpload.HasFile == false)
{
// No file uploaded!lblUploadDetails.Text = "Please first select a file to upload...";
}
else
{string str1 = FileUpload.PostedFile.FileName;
string str2 = FileUpload.PostedFile.ContentType; string connectionString = WebConfigurationManager.ConnectionStrings["GSGA"].ConnectionString;
//Initialize SQL Server Connection SqlConnection con = new SqlConnection(connectionString);
//Set insert query string qry = "insert into Officers (Picture,PictureType ,PicttureTitle) values(@ImageData, @PictureType, @PictureTitle)";
//Initialize SqlCommand object for insert. SqlCommand cmd = new SqlCommand(qry, con);
//We are passing Original Image Path and Image byte data as sql parameters. cmd.Parameters.Add(new SqlParameter("@PictureTitle", str1));
cmd.Parameters.Add(new SqlParameter("@PictureType", str2));Stream imgStream = FileUpload.PostedFile.InputStream;
int imgLen = FileUpload.PostedFile.ContentLength;byte[] ImageBytes = new byte[imgLen]; cmd.Parameters.Add(new SqlParameter("@ImageData", ImageBytes));
//Open connection and execute insert query.
con.Open();
cmd.ExecuteNonQuery();
con.Close(); //Close form and return to list or images.
}
}
}
Object reference not set to an instance of an object.
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.NullReferenceException: Object reference not set to an instance of an object.Source Error:
Line 32:
Line 33: string str2 = FileUpload.PostedFile.ContentType;
Line 34: string connectionString = WebConfigurationManager.ConnectionStrings["GSGA"].ConnectionString;
Line 35:
Line 36: //Initialize SQL Server Connection Source File: c:UsersManojDocumentsVisual Studio 2005WebSitesGSGABinaryfrmUpload.aspx.cs Line: 34
Stack Trace:
[NullReferenceException: Object reference not set to an instance of an object.]
Binary_frmUpload.btnUpload_Click(Object sender, EventArgs e) in c:UsersManojDocumentsVisual Studio 2005WebSitesGSGABinaryfrmUpload.aspx.cs:34
System.Web.UI.WebControls.Button.OnClick(EventArgs e) +105
System.Web.UI.WebControls.Button.RaisePostBackEvent(String eventArgument) +107
System.Web.UI.WebControls.Button.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) +7
System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) +11
System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +33
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +5102
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Aug 17, 2007
Hello All
Not sure if this is the right forum to post this question to, so if it's not, please accept my apologies.
I'm working in SQL Server 2005 with a database that was migrated to 2005 from SQL Server 2000. I have to alter a trigger on a table for some functionality changes, and when I modify the trigger and then access it through the application the database is working with, I receive this error:
There was a error in the [stored procedure name] procedure. Error Number: -2147217900 Error Description: [Microsoft][ODBC SQL Server Driver][SQL Server]The definition of object '[trigger name]' has changed since it was compiled.
[stored procedure name] and [trigger name] are where the actual names appear in the message.
I've tried running sp_recompile on the trigger, stored procedure, and table that are associated with this, and nothing works. I have dropped the trigger, which allows the save process to complete (but doesn't perform the required functionality, of course), and then re-created the trigger, but the error message still comes up. The compatibility level for the database is SQL Server 2000 (80) (as it was migrated from SQL Server 2000 as I mentioned above).
Has anyone seen this, and if so, how can I fix it?
Thanks in advance for your help!
Jay
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Dec 21, 2006
Help! I have posted this before and I had hoped that the VS2005 SP1 would help my problem. It didn't. My code is shown below. I have dropped a sqlconnection, sqldataadapter and a strongly-typed dataset from the toolbox onto the component designer for my page and written my code. It compiles without any errors but at runtine I receive the system error "Object reference not set to an instance of an object." The error occurs at the first line where the sqldataadapter is mentioned. I have shufflled the code and the error still occurs at first mention of the dataadapter. I have set parameters to a simple string such as "myemail." It hasn't helped. I have used the "Dim" statement as "Dim DaAuthorLogin as System.Data.SqlClient.SqlDataadapter and Dim DaAuthorLogin as New ......) at the start of the private sub generated by the event requiring the data. Nothing helps. Here is my simple code to select data from a sqlserver 2000 database. Why do I continue to get this error?
Partial Class AuthorLogin
Inherits System.Web.UI.Page
Protected WithEvents AuthorInformation As System.Web.UI.Page
#Region " Web Form Designer Generated Code "
'This call is required by the Web Form Designer.
<System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
Me.SqlSelectCommand1 = New System.Data.SqlClient.SqlCommand
Me.DaAuthorLogin = New System.Data.SqlClient.SqlDataAdapter
Me.MDData = New System.Data.SqlClient.SqlConnection
Me.DsAuthorLogin = New MedicalDecisions.DsAuthorLogin
CType(Me.DsAuthorLogin, System.ComponentModel.ISupportInitialize).BeginInit()
'
'SqlSelectCommand1
'
Me.SqlSelectCommand1.CommandText = "SELECT AuthorAlias, AuthorEmail, AuthorPassword, LastName, PreferredName" & Global.Microsoft.VisualBasic.ChrW(13) & Global.Microsoft.VisualBasic.ChrW(10) & "FRO" & _
"M T_Author" & Global.Microsoft.VisualBasic.ChrW(13) & Global.Microsoft.VisualBasic.ChrW(10) & "WHERE (AuthorEmail = @AuthorEmail) AND (AuthorPassword =" & _
" @AuthorPassword)"
Me.SqlSelectCommand1.Connection = Me.MDData
Me.SqlSelectCommand1.Parameters.AddRange(New System.Data.SqlClient.SqlParameter() {New System.Data.SqlClient.SqlParameter("@AuthorEmail", System.Data.SqlDbType.NVarChar, 50, "AuthorEmail"), New System.Data.SqlClient.SqlParameter("@AuthorPassword", System.Data.SqlDbType.NVarChar, 50, "AuthorPassword")})
'
'DaAuthorLogin
'
Me.DaAuthorLogin.SelectCommand = Me.SqlSelectCommand1
Me.DaAuthorLogin.TableMappings.AddRange(New System.Data.Common.DataTableMapping() {New System.Data.Common.DataTableMapping("Table", "T_Author", New System.Data.Common.DataColumnMapping() {New System.Data.Common.DataColumnMapping("AuthorAlias", "AuthorAlias"), New System.Data.Common.DataColumnMapping("AuthorEmail", "AuthorEmail"), New System.Data.Common.DataColumnMapping("AuthorPassword", "AuthorPassword"), New System.Data.Common.DataColumnMapping("LastName", "LastName"), New System.Data.Common.DataColumnMapping("PreferredName", "PreferredName")})})
'
'MDData
'
Me.MDData.ConnectionString = "Data Source=CIS1022DAVID;Initial Catalog=CGData;Integrated Security=True;Pooling" & _
"=False"
Me.MDData.FireInfoMessageEventOnUserErrors = False
'
'DsAuthorLogin
'
Me.DsAuthorLogin.DataSetName = "DsAuthorLogin"
Me.DsAuthorLogin.SchemaSerializationMode = System.Data.SchemaSerializationMode.IncludeSchema
CType(Me.DsAuthorLogin, System.ComponentModel.ISupportInitialize).EndInit()
End Sub
Friend WithEvents SqlSelectCommand1 As System.Data.SqlClient.SqlCommand
Friend WithEvents MDData As System.Data.SqlClient.SqlConnection
Friend WithEvents DaAuthorLogin As System.Data.SqlClient.SqlDataAdapter
Friend WithEvents DsAuthorLogin As MedicalDecisions.DsAuthorLogin
'NOTE: The following placeholder declaration is required by the Web Form Designer.
'Do not delete or move it.
Private designerPlaceholderDeclaration As System.Object
Private Sub Page_Init(ByVal sender As System.Object, ByVal e As System.EventArgs)
'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 Object, ByVal e As System.EventArgs)
'no code here
End Sub
Private Sub AuthorLoginRegister_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles AuthorLoginRegister.Click
'for new author registration
Response.Redirect("AuthorInformation.aspx")
End Sub
Private Sub AuthorLoginBack_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles AuthorLoginBack.Click
'to navigate back
Response.Redirect("MainPaths.aspx")
End Sub
Protected Sub AuthorLoginPassword_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles AuthorLoginPassword.TextChanged
'pass the parameters to the dataadapter and return dataset
DaAuthorLogin.SelectCommand.Parameters("@AuthorEmail").Value = AuthorLoginEmail.Text
DaAuthorLogin.SelectCommand.Parameters("@AuthorPassword").Value = AuthorLoginPassword.Text
MDData.Open()
DaAuthorLogin.Fill(DsAuthorLogin, "T_Author")
MDData.Close()
'set session objects
If DsAuthorLogin.T_Author.Rows.Count > 0 Then
Session("AuthorAlias") = DsAuthorLogin.T_Author(0).AuthorAlias
Session("LastName") = DsAuthorLogin.T_Author(0).LastName
Session("PreferredName") = DsAuthorLogin.T_Author(0).PreferredName
Response.Redirect("AuthorPaths.aspx")
Else : AuthorLoginNotValid.Visible = True
AuthorLoginEmail.Text = ""
AuthorLoginPassword.Text = ""
End If
End Sub
End Class
Thanks in advance,
David
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Sep 12, 2006
Anyone know what this error means and how to get rid of it?
Public Sub Main()
Dim myMessage As Net.Mail.MailMessage
Dim mySmtpClient As Net.Mail.SmtpClient
myMessage.To(20) = New Net.Mail.MailAddress(me@hotmail.com)
myMessage.From = New Net.Mail.MailAddress(someone@microsoft.com)
myMessage.Subject = "as;dlfjsdf"
myMessage.Priority = Net.Mail.MailPriority.High
mySmtpClient = New Net.Mail.SmtpClient("microsoft.com")
mySmtpClient.Send(myMessage)
Dts.TaskResult = Dts.Results.Success
End Sub
Thanks,
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