📄 ex35.aspx
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<%@ Page Language="C#" %>
<!-- 引用自定义的控件，将Register指令的TagPrefix属性设为XC，Namespace、Assembly属性全部设定为ex35 -->
<%@ Register TagPrefix="XC" Namespace="ex35" Assembly="ex35" %>
<script runat="server">
protected void OnClick(object sender, EventArgs e)
{
//刷新页面，进行验证
if (IsValid)
{
}
}
protected void MyCustomValidator(object sender, ServerValidateEventArgs args)
{
//使用自定义验证，判断和要验证的值是否一致
if (args.Value == "validator")
args.IsValid = true;
else
args.IsValid = false;
}
</script>
<html>
<head>
<title>第三十五例 程序构架与代码分离（五）</title>
</head>
<body>
<BR><p></P>
<h3><font face="Verdana">第三十五例 程序构架与代码分离（五）</font></h3><BR>
<form runat="server">
<asp:ValidationSummary runat="server"
HeaderText="验证过程发现错误" />
<table cellpadding="2">
<tr>
<td><asp:Label Text="需要验证:" id="labelField1" runat="server" /></td>
<td><asp:TextBox runat="server" id="Field1" /></td>
</tr>
<tr>
<td><asp:Label Text="自定义验证控件:" id="LabelCustomValidator" runat="server" /></td>
<td><asp:TextBox runat="server" id="Field2" runat="server" /></td>
</tr>
<tr>
<td colspan="2" height="20" valign="bottom">
<asp:Button runat="server" Text="开始验证" OnClick="OnClick" />
</td>
</tr>
</table>
<XC:RequiredFieldValidator runat="server"
ErrorMessage="需要验证不能为空"
ControlToValidate="field1"
LabelControl="labelField1"
EnableClientScript="false"
UseErrorIndicator="true"
ErrorLabelColor="tan"
Display="none" />
<XC:CustomValidator runat="server"
ErrorMessage="自定义验证的值必须是 'validator'"
ControlToValidate="field2"
LabelControl="LabelCustomValidator"
UseErrorIndicator="true"
OnServerValidate="MyCustomValidator"
Display="none" />
</form>
</body>
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