protected override void RenderAttributes (HtmlTextWriter writer)
{
#if NET_2_0
+ if (Page != null)
+ Page.ClientScript.RegisterForEventValidation (this.UniqueID);
+
if (CausesValidation && Page != null && Page.AreValidatorsUplevel (ValidationGroup)) {
ClientScriptManager csm = Page.ClientScript;
Attributes ["onclick"] += csm.GetClientValidationEvent (ValidationGroup);