Display error message when wrong date format entered in ASP.Net

micah

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User: micah
Posted: on May 23, 2018 12:58 AM
Forum: ASP.Net Web Forms
Answer: 1
Views: 2851
Sample Code: Download

How do i show error message to user when wrong date format is inserted

like if i have something like this 8/17/2018 which is the right format, how do i display a label warning to userwhen the user inserts wrong format like 88/12/205/

pandeyis...

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ANSWER
User: pandeyism
Replied: on May 23, 2018 01:12 AM
Modified: on May 24, 2018 01:16 AM
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Hi micah,

Check this example. Now please take its reference and correct your code.

HTML

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        Date :
        <asp:TextBox ID="txtDate" runat="server"></asp:TextBox>
        <asp:RegularExpressionValidator ID="RegularExpressionValidator4" runat="server" ForeColor="Red"
            ControlToValidate="txtDate" ValidationGroup="check" ErrorMessage="Invalid Date"
            ValidationExpression="^(0[1-9]|[12][0-9]|3[01])[-/.](0[1-9]|1[012])[-/.](19|20)\d\d$"></asp:RegularExpressionValidator>
    </div>
    </form>
</body>
</html>

Screenshot

Display error message when wrong date format entered in ASP.Net

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