ASP.NET Tutorial/Ajax/MaskedEdit

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The Mask property accepts a character pattern.

You can use the following special characters:
9 - Only a numeric character
L - Only a letter
$ - Only a letter or a space
C - Only a custom character (case sensitive)
A - Only a letter or a custom character
N - Only a numeric or custom character
? - Any character
/ - Date separator
: - Time separator
. - Decimal separator
, - Thousands separator
\ - Escape character
{ - Initial delimiter for repetition of masks
} - Final delimiter for repetition of masks


Using the MaskedEdit Control

<%@ Page Language="C#" %>
<%@ Register TagPrefix="ajax" Namespace="AjaxControlToolkit"
 Assembly="AjaxControlToolkit" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
 "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title>Show Masked Edit</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <asp:ScriptManager ID="ScriptManager1" runat="server" />
        <asp:Label
            id="lblTitle"
            Text="Title:"
            AssociatedControlID="txtTitle"
            Runat="server" />
        <asp:TextBox
            id="txtTitle"
            Runat="server" />
        <br /><br />
        <asp:Label
            id="lblDateReleased"
            Text="Date Released:"
            AssociatedControlID="txtDateReleased"
            Runat="server" />
        <asp:TextBox
            id="txtDateReleased"
            Runat="server" />
        <ajax:MaskedEditExtender
            id="me1"
            TargetControlID="txtDateReleased"
            Mask="99/99/9999"
            MaskType="Date"
            runat="Server" />
        <br /><br />
        <asp:Button
            id="btnSubmit"
            Text="Submit"
            Runat="server" />
    </div>
    </form>
</body>
</html>