📄 validations.aspx
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<%@ Page Language="C#" AutoEventWireup="true" CodeFile="validations.aspx.cs" Inherits="_Default" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>无标题页</title>
<style type="text/css">
.td
{
border-bottom:dotted 1px #dcdcdc;
border-right:dotted 1px #dcdcdc;
}
</style>
</head>
<body style=" font-size:small">
<form id="form1" runat="server">
<div>
<table style="border:solid 1px green;width:40%">
<tr>
<td style="background-color:Green" colspan="2">
<strong><span style="font-size: 14pt; color: #ffffff">
显示所有错误信息（ValidationSummary控件）</span></strong></td>
</tr>
<tr>
<td style="width:16%" class="td" >
用户名：</td>
<td class="td" >
<asp:TextBox ID="t1" runat="server"></asp:TextBox>
<asp:RequiredFieldValidator ID="RequiredFieldValidator1" runat="server" ErrorMessage="用户名不能为空" ControlToValidate="t1"></asp:RequiredFieldValidator></td>
</tr>
<tr>
<td class="td" >
密码：</td>
<td class="td" >
<asp:TextBox ID="t2" runat="server"></asp:TextBox>
<asp:RequiredFieldValidator ID="RequiredFieldValidator2" runat="server" ErrorMessage="密码不能为空" ControlToValidate="t2"></asp:RequiredFieldValidator></td>
</tr>
<tr>
<td class="td" >
确定密码：</td>
<td class="td" >
<asp:TextBox ID="t3" runat="server"></asp:TextBox>
<asp:RequiredFieldValidator ID="RequiredFieldValidator3" runat="server" ErrorMessage="确定密码不能为空" ControlToValidate="t3"></asp:RequiredFieldValidator>
<asp:CompareValidator ID="CompareValidator1" runat="server" ErrorMessage="两次输入的密码不同" ControlToCompare="t3" ControlToValidate="t2"></asp:CompareValidator></td>
</tr>
<tr>
<td class="td" >
年龄</td>
<td class="td" >
<asp:TextBox ID="t4" runat="server"></asp:TextBox>
<asp:RequiredFieldValidator ID="RequiredFieldValidator4" runat="server" ErrorMessage="年龄不能为空" ControlToValidate="t4"></asp:RequiredFieldValidator>
<asp:RangeValidator ID="RangeValidator1" runat="server" ErrorMessage="请输入1-99中的数据" ControlToValidate="t4" MaximumValue="99" MinimumValue="1" Type="Integer"></asp:RangeValidator></td>
</tr>
<tr>
<td colspan="2">
<asp:Button ID="btnregedit" runat="server" Text="注册" />
<asp:ValidationSummary ID="ValidationSummary1" runat="server" ShowMessageBox="True" ShowSummary="False" />
</td>
</tr>
</table>
</div>
</form>
</body>
</html>
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