<asp:TextBox ID="txtWapOrder" MaxLength="2" onkeyup="this.value=this.value.replace(/\D/g,'')" onafterpaste="this.value=this.value.replace(/\D/g,'')" onKeyPress="if ((event.keyCode<48 || event.keyCode>57)) event.returnValue=false" runat="server" ></asp:TextBox>
