Search a Control using Key

  GroupBox objGrpBox = null;

           String sGroupBoxName = "GroupBox";

           

               if (SplitContnerEpub.Panel1.Controls.ContainsKey(sGroupBoxName))

               {

                   objGrpBox = SplitContnerEpub.Panel1.Controls[sGroupBoxName] as GroupBox;

                   objGrpBox.Controls.Clear();

               }

               else

                   objGrpBox = new GroupBox();

                           

               objGrpBox.Name = sGroupBoxName;