（ ＃ + sender.controltovalidate） ;
if （ctrl）{
ctrl.css（{ border： 1px solid red}）;
sender.innerHTML = 请输入名字。;
}
}
< / script >


< asp：CustomValidator ID = firstNameValidator runat = server ErrorMessage = 显示 = 动态

ControlToValidate = txtFirstName ForeColor = red ValidationGroup = registerButton

OnServerValidate = firstNameValidator_ServerValidate ValidateEmptyText = True

ClientVal idationFunction = FirstNameValidate SetFocusOnError = true >

< asp： TextBox ID = txtFirstName class = form-control 占位符 = 名字 runat = server >

("#" + sender.controltovalidate); if (ctrl) { ctrl.css({ "border": "1px solid red" }); sender.innerHTML = "Please enter First Name."; } } </script> <asp:CustomValidator ID="firstNameValidator" runat="server" ErrorMessage="" Display="Dynamic" ControlToValidate="txtFirstName" ForeColor="red" ValidationGroup="registerButton" OnServerValidate="firstNameValidator_ServerValidate" ValidateEmptyText="True" ClientValidationFunction="FirstNameValidate" SetFocusOnError="true"> <asp:TextBox ID="txtFirstName" class="form-control" placeholder="First name" runat="server">

删除cookie后，我的调用函数被调用。它最终工作

After deleting cookies ..my validation function is getting invoked. Its finally working