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Page.RegisterRequiresPostBack Method
.NET Framework 1.1
Registers a control as one that requires post-back handling.
[Visual Basic] Public Sub RegisterRequiresPostBack( _ ByVal control As Control _ ) [C#] public void RegisterRequiresPostBack( Control control ); [C++] public: void RegisterRequiresPostBack( Control* control ); [JScript] public function RegisterRequiresPostBack( control : Control );
Parameters
- control
- The control to be registered.
Example
[Visual Basic, C#] The following example uses the RegisterRequiresPostBack method to require a customized text box control, customTextBox, to be posted back before any code associated with the text box will execute.
[Visual Basic] Sub Text_Change(sender As Object, e As EventArgs) myLabel.Text = "<b>Welcome " + myTextBox.Text + " to ASP.NET</b>" End Sub 'Text_Change Sub Page_Load(sender As Object, e As EventArgs) If Not IsPostBack Then Me.RegisterRequiresPostBack(myTextBox) End If End Sub 'Page_Load [C#] void Text_Change(object sender, EventArgs e) { myLabel.Text = "<b>Welcome " + myTextBox.Text + " to ASP.NET</b>"; } void Page_Load(object sender, EventArgs e) { if(!IsPostBack) this.RegisterRequiresPostBack(myTextBox); }
[C++, JScript] No example is available for C++ or JScript. To view a Visual Basic or C# example, click the Language Filter button
in the upper-left corner of the page.
Requirements
Platforms: Windows 2000, Windows XP Professional, Windows Server 2003 family
See Also
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