It is working perfect in chrome and ie,but when I tested it in firefox,it will not restrict double click on button.Button does not become disable immediately after first click. My javascript Method :
function GRVMasterAddButton_Click(btn)
{
if (Page_ClientValidate("masterGrp")) {
document.getElementById(btn.id).disabled = true;
__doPostBack(btn.id, '');
}
}
Button declaration :
<asp:Button ID="frmSubmitInsert" runat="server" OnClick="frmSubmit_Click" OnClientClick="GRVMasterAddButton_Click(this)" Text="Add"
Width="100px" Visible="false" ValidationGroup="masterGrp" />