SqlDataSource.Selecting Event (System.Web.UI.WebControls)

Selecting Event

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This page is specific to

Microsoft Visual Studio 2008/.NET Framework 3.5

Other versions are also available for the following:

.NET Framework Class Library

SqlDataSource..::.Selecting Event

Occurs before a data retrieval operation.

Namespace: System.Web.UI.WebControls
Assembly: System.Web (in System.Web.dll)

Syntax

Visual Basic (Declaration)

Public Event Selecting As SqlDataSourceSelectingEventHandler

Visual Basic (Usage)

Dim instance As SqlDataSource
Dim handler As SqlDataSourceSelectingEventHandler

AddHandler instance.Selecting, handler

public event SqlDataSourceSelectingEventHandler Selecting

Visual C++

public:
 event SqlDataSourceSelectingEventHandler^ Selecting {
    void add (SqlDataSourceSelectingEventHandler^ value);
    void remove (SqlDataSourceSelectingEventHandler^ value);
}

JScript

JScript does not support events.

ASP.NET

<asp:SqlDataSource OnSelecting="SqlDataSourceSelectingEventHandler" />

Remarks

Handle the Selecting event to perform additional initialization operations that are specific to your application, to validate the values of parameters, or to change the parameter values before the SqlDataSource control performs the select operation. The select arguments are available from the SqlDataSourceSelectingEventArgs object that is associated with the event.

For more information about handling events, see Consuming Events.

Platforms

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

Version Information

.NET Framework

Supported in: 3.5, 3.0, 2.0

Reference

SqlDataSource Class

SqlDataSource Members

System.Web.UI.WebControls Namespace

Other Resources

ASP.NET Data Access Overview

Data Source Web Server Controls

SqlDataSource Web Server Control Overview

ASP.NET Page Life Cycle Overview