Page.RaisePostBackEvent Method
.NET Framework 3.0
Notifies the server control that caused the postback that it should handle an incoming postback event.
Namespace: System.Web.UI
Assembly: System.Web (in system.web.dll)
Assembly: System.Web (in system.web.dll)
'Declaration Protected Overridable Sub RaisePostBackEvent ( _ sourceControl As IPostBackEventHandler, _ eventArgument As String _ ) 'Usage Dim sourceControl As IPostBackEventHandler Dim eventArgument As String Me.RaisePostBackEvent(sourceControl, eventArgument)
protected void RaisePostBackEvent ( IPostBackEventHandler sourceControl, String eventArgument )
protected function RaisePostBackEvent ( sourceControl : IPostBackEventHandler, eventArgument : String )
Not applicable.
Parameters
- sourceControl
The ASP.NET server control that caused the postback. This control must implement the IPostBackEventHandler interface.
- eventArgument
The postback argument.
The Page object calls the RaisePostBackEvent method when a postback occurs. This call occurs in the page life cycle after loading and change notification are complete but before prerendering occurs.
The following example uses the RaisePostBackEvent method to notify ASP.NET that a post-back event is raised when a custom userButton server control is clicked.
Sub DisplayUserName(Sender As Object, e As EventArgs) Response.Write("Welcome to " + Server.HtmlEncode(userName.Text)) End Sub Sub MyRaiseEvent(Sender As Object, e As EventArgs) 'Raises a post back event for a control. Me.RaisePostBackEvent(userButton, "") End Sub Sub Page_Load(Sender As Object, e As EventArgs) 'Registers a control as one that requires postback handling Me.RegisterRequiresRaiseEvent(userButton) End Sub
void DisplayUserName(Object sender, EventArgs ea)
{
get_Response().Write("Welcome to "
+ get_Server().HtmlEncode(userName.get_Text()));
} //DisplayUserName
void RaiseEvent(Object sender, EventArgs ea)
{
// Raise a post back event for a control.
this.RaisePostBackEvent(userButton, "");
} //RaiseEvent
void Page_Load(Object sender, EventArgs ea)
{
// Register a control as one that requires postback handling.
this.RegisterRequiresRaiseEvent(userButton);
} //Page_Load
Community Additions
ADD
Show: