how to validate 12 hr and 24 hr format in one textbox

Aug 6 2015 8:06 AM

i have to validate a time in a textbox in 12 hr and 24 hr format...for that i have two checkboxes like 12 hr and 24 hr if i checked 12 hr then that textbox should accept only 12 hr format if i checked 24 hr only 24 hr format should accept how to do this???

am sharing what i tried...

Source::

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="12time.aspx.cs" Inherits="Validators.Validators_Task._12time" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

</head>

<body>

<div>

<asp:TextBox ID="txtTime" runat="server" >

</asp:TextBox>

<asp:CheckBox ID="CheckBox1" runat="server" Text="12hr" />

<asp:CheckBox ID="CheckBox2" runat="server" Text="24hr" />

<asp:RegularExpressionValidator ID="rev" runat="server" ErrorMessage="InvalidTime"

ControlToValidate="txtTime" ValidationExpression="^(1[0-2]|0[1-9]):[0-5][0-9]\040(AM|am|PM|pm)$">

</asp:RegularExpressionValidator>

<asp:RegularExpressionValidator ID="RegularExpressionValidator1" runat="server" ErrorMessage="InvalidTime"

ControlToValidate="txtTime" ValidationExpression="^([01]?[0-9]|2[0-3]):[0-5][0-9]$">

</asp:RegularExpressionValidator>

</div>

</form>

</body>

</html>

in code behind have no idea how to implement my requirement...any answers appreciated .

Answers (2)

session out probleam

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