Validate Date Entry In ASP.NET

  • Use the comparevalidator:
  • Set the ControlToValidate property to the conrol to validate
  • Set the Operator property to DataTypeCheck
  • Set the Type property to Date
 <asp:TextBox ID="tbPublishDateStart" runat="server"></asp:TextBox>

<asp:CompareValidator ID="cvPublishDateStart" runat="server" ErrorMessage="Please enter a valid start date" ControlToValidate="tbPublishDateStart" Operator="DataTypeCheck" Type="Date"></asp:CompareValidator>
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