PreRender event not firing on ImageButton

[DalePres]

Does anyone know if there is a known bug or workaround, or other solution to
this problem?

I have a page with several imagebutton server controls and needed to
handle the PreRender event in C#. In all my tests, on several pages and
circumstances, the Init and PreRender events never fire for the image
button.

If I add a regular button server control, or several regular button server
controls, and the PreRender and Init events fire as expected for the regular
button controls.

Dale

 

[Natty Gur]

Hi,

It's a known bug.

if you want to workaround it create new custom control derived from
ImageButton. override the onPreRender method. I add a sample control
code :

public class MyImageButton : ImageButton
{
public new event EventHandler PreRender;
public MyImageButton() : base()
{
//
// TODO: Add constructor logic here
//

}
protected override void OnPreRender(EventArgs e)
{
PreRender(this,e);
this.ToolTip = "Render";
base.OnPreRender(e);
}


}

Natty Gur[MVP]

blog : http://weblogs.asp.net/ngur
Mobile: +972-(0)58-888377