private void BindQuestion( ) { Protection protect = new Protection(TextUtility.GetRealPath("/config/protection.xml")); List <string> pList = protect.GetProtectionQuestions( ); ddlQuestion1.DataSource = pList; ddlQuestion1.DataBind( ); ddlQuestion2.DataSource = pList; ddlQuestion2.DataBind( ); ddlQuestion3.DataSource = pList; ddlQuestion3.DataBind( ); }