ASP.Net 验证控件 CompareValidator

CompareValidator

作用就是比较两个输入框所输入的值是否一致，常用来作为验证输入密码和确认密码的业务。

属性	描述
Operator	比较操作符，可选值DataTypeCheck、Equal、GreaterThan、GreaterThanEqul、LessThan、LessThanEqual、NotEqual
ValueToCompare	所比较的运算符右边的值
ControlToCompare	设定与另外一个控件进行比较
Type	数据类型可选String、Integer、Double、Date、Currency

 

 

 

 

 

 

•ControlToValidate  (符号左边的）

•ControlToCompare  待比较的控件（符号右边的）

•Operator 比较操作

•Type属性

 <form id="form1" runat="server">
     <div>
     <table border="">
         <tr>
             <td class="style1">Password</td>
             <td class="style2">
                 <asp:TextBox ID="txtPwd" runat="server" TextMode="Password"></asp:TextBox>
             </td>
         </tr>
         <tr>
             <td class="style1">Confirm Password</td>
             <td class="style2">
                 <asp:TextBox ID="txtConfirmPwd" runat="server" TextMode="Password"></asp:TextBox>
                 <asp:CompareValidator ID="CompareValidator1" runat="server"
                     ControlToCompare="txtPwd" ControlToValidate="txtConfirmPwd"
                     ErrorMessage="*Password not match" ForeColor="Red"></asp:CompareValidator>
             </td>
         </tr>
     </table>
         <asp:Button ID="btnSubmit" runat="server" Text="Submit" />
     </div>
     </form>

与一个定值进行比较

•ValueToCompare

•Operator 比较操作

•Type属性

 

 <form id="form1" runat="server">
     <div>
     <table border="">
         <tr>
             <td class="style3">Input value </td>
             <td class="style4">
                 <asp:TextBox ID="txtValue" runat="server" TextMode="Number"></asp:TextBox>
                 <asp:CompareValidator ID="CompareValidator1" runat="server"
                     ControlToValidate="txtValue" ErrorMessage="* Number is not greater than 100"
                     ForeColor="Red" Operator="GreaterThan" Type="Integer" ValueToCompare=""></asp:CompareValidator>
             </td>
         </tr>
         <tr>
             <td class="style1">
                 <asp:Button ID="btnSubmit" runat="server" Text="Submit" />
             </td>
             <td class="style2"> &nbsp;</td>
         </tr>
     </table>
     </div>
     </form>