Enable Copy Paste On particular control using java script ( when it did on Body)

//HTML

<asp:TextBox runat="server" ID="TextBox1" onmouseover="removeAllAttrs_onmsover();" onmouseout="ADDAllAttrs_onmsout();"></asp:TextBox>

//SCRIPT

                     function removeAllAttrs_ onmsover() {

                        var element = document.body;

                         for (var i = element.attributes.length; i-- > 0; )

                             element.removeAttributeNode(element.attributes[i]);

                     }

                    

                     function ADDAllAttrs_ onmsout(element) {

                         var body = document.getElementsByTagName('body')[0];

                         body.setAttribute("oncopy", "return false;");

                         body.setAttribute("onpaste", "return false;");

                         body.setAttribute("oncut", "return false;");

                       }