📄 6-7.aspx
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<%@ Page Language="VB" %>
<html>
<head>
<script runat="server">
Sub Button_Click(sender As Object, e As EventArgs)
If Page.IsValid Then
lblOutput.Text = "验证结果: 正确!"
Else
lblOutput.Text = "验证结果: 错误!"
End If
End Sub
Sub Operator_Index_Changed(sender As Object, e As EventArgs)
Compare1.Operator=CType(ListOperator.SelectedIndex, ValidationCompareOperator)
Compare1.Validate()
End Sub
Sub Type_Index_Changed(sender As Object, e As EventArgs)
Compare1.Type = CType(ListType.SelectedIndex, ValidationDataType)
Compare2.Type = CType(ListType.SelectedIndex, ValidationDataType)
Compare1.Validate()
End Sub
</script>
</head>
<body>
<form runat="server">
<h3>CompareValidator 实例</h3>
<p>
请在每个文本框中输入一个字符串，选择一个<br>
比较符号和数据类型，点击验证来比较两个值。
<table bgcolor="#eeeeee" cellpadding="10">
<tr valign="top">
<td>
<h5>字符串1:</h5>
<asp:TextBox id="TextBox1"
runat="server"/>
<br>
<asp:CompareValidator id="Compare1"
ControlToValidate="TextBox1"
ControlToCompare="TextBox2"
Type="String"
EnableClientScript="false"
Text="验证失败"
runat="server"/>
</td>
<td>
<h5>比较符:</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>字符串2:</h5>
<asp:TextBox id="TextBox2"
runat="server"/>
<br>
<asp:CompareValidator id="Compare2"
ControlToValidate="TextBox2"
Operator="DataTypeCheck"
EnableClientScript="false"
Text="不正确的数据类型"
runat="server"/>
<br>
<asp:Button id="Button1"
Text="验证"
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>
</html>
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