mouse right click options in c# in web application

Attaching mouse click event to specific controls or you can write something to attach to all controls by iteration through the form's Controls collection.

label1.MouseClick += new MouseEventHandler(control_RightMouseClick);
gridview1.MouseClick += new MouseEventHandler(control_RightMouseClick);

Then perform different operations or show different context menu for different controls

if (e.Button != MouseButtons.Right)
   {
       return;
   }
   if (sender.GetType().IsSubclassOf(typeof(Control)))
   {
       Control formControl = (Control)sender;
       switch (formControl.Name)
       {
           case "label1":
               //do something
               contextMenuStrip1.Show(formControl, e.Location);
               break;
           case "gridview1":
               //do something else
               contextMenuStrip2.Show(formControl, e.Location);
               break;
           default:
               //do something else or return or show default context menu
               contextMenuStrip_default.Show(formControl, e.Location);
               break;
       }
   }

   return;