Web Forms :: Disable Button At Process Time?

Feb 1, 2010

i want disable button at process time for that i am using this code at page_load event

System.Text.StringBuilder sbValid = new System.Text.StringBuilder();
sbValid.Append("if (typeof(Page_ClientValidate) == 'function') { ");
sbValid.Append("if (Page_ClientValidate() == false) { return false; }} ");
sbValid.Append("this.value = 'Please wait...';");
sbValid.Append("this.disabled = true;");
sbValid.Append("document.all.btnSubmit.disabled = true;");
//GetPostBackEventReference obtains a reference to a client-side script function that causes the server to post back to the page.
this.btncod.Attributes.Add("onclick", sbValid.ToString());

but when i used this button is disable but not going at onclick event

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