public void setControl(bool exist, string control, string type)
 {
     if (exist)
     {
         try
         {
             if (type == "LinkButton")
             {
                 LinkButton link1 = (LinkButton)ControlFinder.FindControlRecursive(this, control);
                 link1.Visible = true;
             }
         }
         catch (Exception ex) { }
     }
     else
     {
         try
         {
             if (type == "LinkButton")
             {
                 LinkButton link1 = (LinkButton)ControlFinder.FindControlRecursive(this, control);
                 if (link1 != null)
                 {
                     link1.Visible = false;
                 }
             }
         }
         catch (Exception ex) { }
     }
 }