Data Access Application Block For SQLClient

Jul 12, 2006

I download the DAAB CF version. However, most of them use SQLCEClient to connect to the database. Is there any DAAB that use SQLClient?
One workaround that I made is I replaced all SQLCEClient objects with the SQLClient objects. I only test one method "ExecuteDataset" and it works so far. However, my question is "does my workaround a good solution?"

Thanks,
Hendra

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The Data Access Application Block

Nov 10, 2005

Hi,
Is there anyway I can impliment this in my application without installing it as a COM. My Web Hoster says they won't install it. The Data Access Application Block

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May 1, 2008

Does anybody knows, from where can I download the latest version of DAAB for SQL CE 3.5?



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So any information will be greatly appreciated.

Gabor

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Nov 16, 2007

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Apr 22, 2008

This is my code...
public partial class test : System.Web.UI.Page
{protected void Page_Load(object sender, EventArgs e)
{SqlDatabase database = (SqlDatabase)DatabaseFactory.CreateDatabase("ConnectionString");DbCommand command = database.GetSqlStringCommand("SELECT UserName FROM Users WHERE UserID = '6264'");
 using (IDataReader reader = database.ExecuteReader(command))
{if (reader.Read())
{lblTest.Text = "test";
}
}
}
}
 
 
This is my error:
Server Error in '/' Application.


Timeout expired.  The timeout period elapsed prior to obtaining a connection from the pool.  This may have occurred because all pooled connections were in use and max pool size was reached.
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.InvalidOperationException: Timeout expired.  The timeout period elapsed prior to obtaining a connection from the pool.  This may have occurred because all pooled connections were in use and max pool size was reached.Source Error:



Line 21: //DbCommand command = database.GetStoredProcCommand("CorrUsers_GetByUserId_s");
Line 22: DbCommand command = database.GetSqlStringCommand("SELECT UserName FROM Users WHERE UserID = '6264'");
Line 23: database.ExecuteReader(command);
Line 24: using (IDataReader reader = database.ExecuteReader(command))
Line 25: {Source File: d:webwwwrootchacha078dev.cha.toplingo.com est.aspx.cs    Line: 23 Stack Trace:



[InvalidOperationException: Timeout expired. The timeout period elapsed prior to obtaining a connection from the pool. This may have occurred because all pooled connections were in use and max pool size was reached.]
System.Data.ProviderBase.DbConnectionFactory.GetConnection(DbConnection owningConnection) +1261381
System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory) +105
System.Data.SqlClient.SqlConnection.Open() +111
Microsoft.Practices.EnterpriseLibrary.Data.Database.GetNewOpenConnection() +195
Microsoft.Practices.EnterpriseLibrary.Data.Database.GetOpenConnection(Boolean disposeInnerConnection) +106
Microsoft.Practices.EnterpriseLibrary.Data.Database.ExecuteReader(DbCommand command) +62
test.Page_Load(Object sender, EventArgs e) in d:webwwwrootchacha078dev.cha.toplingo.com est.aspx.cs:23
System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +15
System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +33
System.Web.UI.Control.OnLoad(EventArgs e) +99
System.Web.UI.Control.LoadRecursive() +47
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1436

Any help with this matter would be very much appreciated.
 Thank you for your time.
 Sincerely,
 Jeffrey Pham

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Mar 20, 2004

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Jan 8, 2007

Hi all

Please help me.

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Hi,
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What I have tried so far:


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begin

[Code] ....

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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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The code block is embedded into a grid view item template.    <ItemTemplate> <% if ((bool)Eval("isNew")) { %> New Post <% } %></ItemTemplate> but as per rule Eval and Bind can be only use bind the data. How would i pull the information from sqldatasource in the template like this? 

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