📄 comparevdr.aspx

📁 asp做的新闻系统
💻 ASPX
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<%@ Page Language="C#" %>
<html>
<head>
<title>CompareValidator Example</title>
   <script runat="server">
      void Button_Click(Object sender, EventArgs e) 
      {
         if (Page.IsValid) 
         {
            lblOutput.Text = "Result: Valid!";
         }
         else 
         {
            lblOutput.Text = "Result: Not valid!";
         }
      }
      void Operator_Index_Changed(Object sender, EventArgs e) 
      {
         Compare1.Operator = (ValidationCompareOperator)ListOperator.SelectedIndex;
         Compare1.Validate();
}

      void Type_Index_Changed(Object sender, EventArgs e) 
      {
         Compare1.Type = (ValidationDataType)ListType.SelectedIndex;
         Compare2.Type = (ValidationDataType)ListType.SelectedIndex;
         Compare1.Validate();
      }
   </script>
</head>
<body>
   <form runat="server">
      <h3>CompareValidator Example</h3>
      <p>
      Enter a value in each textbox. Select a comparison operator<br>
      and data type. Click "Validate" to compare values.
      <table bgcolor="#eeeeee" cellpadding="10">
         <tr valign="top">
            <td>
               <h5>String 1:</h5>
               <asp:TextBox id="TextBox1" 
                    runat="server"/>
               <br>
               <asp:CompareValidator id="Compare1" 
                    ControlToValidate="TextBox1" 
                    ControlToCompare="TextBox2" 
                    Type="String"
                    EnableClientScript="false" 
                    Text="Failed Validation" 
                    runat="server"/>
            </td>
            <td>
               <h5>Comparison Operator:</h5>
               <asp:ListBox id="ListOperator" 
                    OnSelectedIndexChanged="Operator_Index_Changed" 
                    runat="server">
                  <asp:ListItem Selected Value="Equal" >Equal</asp:ListItem>
                  <asp:ListItem Value="NotEqual" >NotEqual</asp:ListItem>
                  <asp:ListItem Value="GreaterThan" >GreaterThan</asp:ListItem>
                  <asp:ListItem Value="GreaterThanEqual" >GreaterThanEqual</asp:ListItem>
                  <asp:ListItem Value="LessThan" >LessThan</asp:ListItem>
                  <asp:ListItem Value="LessThanEqual" >LessThanEqual</asp:ListItem>
                  <asp:ListItem Value="DataTypeCheck" >DataTypeCheck</asp:ListItem>
               </asp:ListBox>
            </td>
            <td>
               <h5>String 2:</h5>
               <asp:TextBox id="TextBox2" 
                    runat="server"/>
               <br>
               <asp:CompareValidator id="Compare2" 
                    ControlToValidate="TextBox2"  
                    Operator="DataTypeCheck"
                    EnableClientScript="false"
                    Text="Invalid Data Type" 
                    runat="server"/>
               <br>
               <asp:Button id="Button1"
                    Text="Validate"  
                    OnClick="Button_Click" 
                    runat="server"/>
            </td>
         </tr>
         <tr>
            <td colspan="3" align="center">
               <h5>Data Type:</h5>
               <asp:ListBox id="ListType" 
                    OnSelectedIndexChanged="Type_Index_Changed" 
                    runat="server">
                  <asp:ListItem Selected Value="String" >String</asp:ListItem>
                  <asp:ListItem Value="Integer" >Integer</asp:ListItem>
                  <asp:ListItem Value="Double" >Double</asp:ListItem>
                  <asp:ListItem Value="Date" >Date</asp:ListItem>
               </asp:ListBox>
            </td>
         </tr>
      </table>
      <br>
      <asp:Label id="lblOutput" 
           Font-Name="verdana" 
           Font-Size="10pt" 
           runat="server"/>
   </form>
</body>
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