从日期和日期验证？

Question

在我的网络应用程序中，我编写了比较验证器来比较两个日期[从和到目前为止]，但它显示错误。我的Comparevalidator是这样的。

 <asp:CompareValidator ID="CompareValidator1" runat="server" Text="*" Display="None" ValidationGroup ="a" ControlToValidate="txtTo" ValueToCompare="txtFrom" Operator="GreaterThan"   Type ="Date" 
                    ErrorMessage="Date Should Greater Than From Date"></asp:CompareValidator>

Answer 1

你应该使用＆＃34; ControlToCompare＆＃34;属性而不是＆＃34; ValueToCompare＆＃34;属性。

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 <asp:CompareValidator ID="CompareValidator1" runat="server" Text="*" Display="None" ValidationGroup ="a" ControlToValidate="txtTo" ControlToCompare="txtFrom" Operator="GreaterThan"   Type ="Date" 
                ErrorMessage="Date Should Greater Than From Date"></asp:CompareValidator>