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comparevalidator

代码：

<!DOCTYPE html>


<html>


<body>


 


<form runat="server">


<table border="0" bgcolor="#b0c4de">


   <tr valign="top">


     <td colspan="4"><h4>Compare two values</h4></td>


   </tr>


   <tr valign="top">


     <td><asp:TextBox id="txt1" runat="server" /></td>


     <td> = </td>


     <td><asp:TextBox id="txt2" runat="server" /></td>


     <td><asp:Button Text="Validate" runat="server" /></td>


   </tr>


</table>


<br>


<asp:CompareValidator


id="compval"


Display="dynamic"


ControlToValidate="txt1"


ControlToCompare="txt2"


ForeColor="red"


BackColor="yellow"


Type="String"


EnableClientScript="false"


Text="Validation Failed!"


runat="server" />


</form>


 


</body>


</html>

结果：

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