Question

I have used the following code to validate a date in a textbox, but it is not working. I don’t know, why.

<asp:CustomValidator ID="CustomValidator1" runat="server"
    ErrorMessage="*Invalid DateTime"
    ControlToValidate="TextBox5"
    OnServerValidate="CustomValidator1_ServerValidate">
</asp:CustomValidator>

Please let me know where I am wrong or what I have missed.

Answer 1

Use compare validator instead of customer validator. For Custom validator you have to write your own function but compare validator provides this functionality.

<asp:CompareValidator
id="dateValidator" runat="server" 
Type="Date"
Operator="DataTypeCheck"
ControlToValidate="TextBox5" 
ErrorMessage="Please enter a valid date.">
</asp:CompareValidator>