hello,
i am using this solution it works fine but i want to fire validation on textbox blur event not on button click event please advice
<script type="text/javascript">
function ValidateDOB(sender, args) {
var dateString = document.getElementById(sender.controltovalidate).value;
var regex = /(((0|1)[0-9]|2[0-9]|3[0-1])\/(0[1-9]|1[0-2])\/((19|20)\d\d))$/;
if (regex.test(dateString)) {
var parts = dateString.split("/");
var dt = new Date(parts[1] + "/" + parts[0] + "/" + parts[2]);
var dtCurrent = new Date();
dtCurrent.setMonth(dtCurrent.getMonth() - 6);
if (dt.getFullYear() <= dtCurrent.getFullYear()) {
if (dt > dtCurrent) {
args.IsValid = true;
} else {
args.IsValid = false;
}
}
} else {
sender.innerHTML = "Enter date in dd/MM/yyyy format ONLY."
args.IsValid = false;
}
}
</script>
<asp:TextBox ID="txtDate" runat="server" Text="02/07/2018" />
<asp:CustomValidator ID="cvDate" runat="server" ClientValidationFunction="ValidateDOB"
ControlToValidate="txtDate" ErrorMessage="Candidate has not worked for 6 months."
ValidationGroup="gp1" Display="Dynamic" ForeColor="Red" />
<br />
<br />
<asp:Button ID="btnValidate" Text="Validate" runat="server" ValidationGroup="gp1" />
