1: StringBuilder sb = new StringBuilder();

   2: sb.Append("if (typeof(Page_ClientValidate) == 'function') { ");

   3: sb.Append("if (Page_ClientValidate() == false) { return false; }} ");

   4: sb.Append("this.value = 'Please wait...';");

   5: sb.Append("this.disabled = true;");

   6: sb.Append(Page.ClientScript.GetPostBackEventReference(btnSave,"Test"));

   7: sb.Append(";");

   8: btnSave.Attributes.Add("onclick", sb.ToString());

   1: // Define the name and type of the client script on the page.

   2: string csname = "OnSubmitScript";

   3: Type cstype = this.GetType();

   4: // Get a ClientScriptManager reference from the Page class.

   5: ClientScriptManager cs = Page.ClientScript;

   6: // Check to see if the OnSubmit statement is already registered.

   7: if (!cs.IsOnSubmitStatementRegistered(cstype, csname))

   8: {

   9: string cstext = "if (typeof(ValidatorOnSubmit) == 'function' && ValidatorOnSubmit() == false)return false; else { var myCtl = document.getElementById('" + this.SubmitButton.ClientID + "'); myCtl.value = 'Please wait...'; myCtl.disabled = true;}";

  10: cs.RegisterOnSubmitStatement(cstype, csname, cstext);

  11: }