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

 

 

 1 <form id="form1" runat="server">

 2     <div>

 3     <table border="1">

 4         <tr>

 5             <td class="style1">Password</td>

 6             <td class="style2">

 7                 <asp:TextBox ID="txtPwd" runat="server" TextMode="Password"></asp:TextBox>

 8             </td>

 9         </tr>

10         <tr>

11             <td class="style1">Confirm Password</td>

12             <td class="style2"> 

13                 <asp:TextBox ID="txtConfirmPwd" runat="server" TextMode="Password"></asp:TextBox>

14                 <asp:CompareValidator ID="CompareValidator1" runat="server" 

15                     ControlToCompare="txtPwd" ControlToValidate="txtConfirmPwd" 

16                     ErrorMessage="*Password not match" ForeColor="Red"></asp:CompareValidator>

17             </td>

18         </tr>

19     </table>

20         <asp:Button ID="btnSubmit" runat="server" Text="Submit" />

21     </div>

22     </form>

View Code

 

与一个定值进行比较

•ValueToCompare

•Operator 比较操作

•Type属性

 

 

 1 <form id="form1" runat="server">

 2     <div>

 3     <table border="1">

 4         <tr>

 5             <td class="style3">Input value </td>

 6             <td class="style4">

 7                 <asp:TextBox ID="txtValue" runat="server" TextMode="Number"></asp:TextBox>

 8                 <asp:CompareValidator ID="CompareValidator1" runat="server" 

 9                     ControlToValidate="txtValue" ErrorMessage="* Number is not greater than 100" 

10                     ForeColor="Red" Operator="GreaterThan" Type="Integer" ValueToCompare="100"></asp:CompareValidator>

11             </td>

12         </tr>

13         <tr>

14             <td class="style1">

15                 <asp:Button ID="btnSubmit" runat="server" Text="Submit" />

16             </td>

17             <td class="style2"> &nbsp;</td>

18         </tr>

19     </table>

20     </div>

21     </form>

View Code