ASP.NET控件之CompareValidator控件

作用：对Textbox或者其他输入框进行比较验证；

属性：ControlToValidate:要验证的控件；

ErrorMessage:错误提示信息；

ControlToCompare:与此相比的控件ID；

Type

类型	作用
Integer	整数型
Date	日期
Double	双精度浮点型
String	字符串型
Currency	货币类型

Operator:操作类型

操作类型	作用
Equal	相等
NotEqual	不相等
GreaterThan	数据类型验证
GreaterThanEqual	大于
LessThan	大于等于
LessThanEqual	小于
DataTypeCheck	小于等于

原型：

Demo：

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="非空验证.aspx.cs" Inherits="验证控件1.非空验证" %>

<!DOCTYPE html>

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
    <title></title>
    <style type="text/css">
        .auto-style1 {
            position: absolute;
            top: 159px;
            left: 360px;
            z-index: 1;
        }
        .auto-style2 {
            position: absolute;
            top: 190px;
            left: 360px;
            z-index: 1;
            bottom: 452px;
             81px;
        }
        .auto-style3 {
            position: absolute;
            top: 158px;
            left: 436px;
            z-index: 1;
        }
        .auto-style4 {
            position: absolute;
            top: 189px;
            left: 435px;
            z-index: 1;
        }
        </style>
</head>
<body>
    <form id="form1" runat="server">
    <div>
    
    </div>
        <asp:Label ID="Label1" runat="server" CssClass="auto-style1" Text="密码："></asp:Label>
        <asp:Label ID="Label2" runat="server" CssClass="auto-style2" Text="确认密码："></asp:Label>
        <asp:TextBox ID="txtPwd" runat="server" CssClass="auto-style3"></asp:TextBox>
        <asp:TextBox ID="txtPwdOk" runat="server" CssClass="auto-style4"></asp:TextBox>
        <p>
             </p>
        <p>
             </p>
        <asp:Button ID="btnLogin" runat="server" OnClick="btnLogin_Click" style="z-index: 1; left: 390px; top: 299px; position: absolute;  63px; height: 21px" Text="注册" />
        <asp:Button ID="btnSet" runat="server" OnClick="btnSet_Click" style="z-index: 1; left: 559px; top: 299px; position: absolute;  64px; height: 21px" Text="重置" />
        <asp:Label ID="Label3" runat="server" style="z-index: 1; left: 361px; top: 232px; position: absolute" Text="注册日期："></asp:Label>
        <asp:TextBox ID="txtDate" runat="server" style="z-index: 1; left: 434px; top: 229px; position: absolute; height: 15px"></asp:TextBox>
        <asp:CompareValidator ID="CompareValidator1" runat="server" ControlToCompare="txtPwd" ControlToValidate="txtPwdOk" ErrorMessage="*确认密码有误！" ForeColor="Red" style="z-index: 1; left: 598px; top: 192px; position: absolute" Operator="DataTypeCheck"></asp:CompareValidator>
        <asp:CompareValidator ID="CompareValidator2" runat="server" ControlToValidate="txtDate" ErrorMessage="*日期格式不正确" ForeColor="Red" Operator="DataTypeCheck" style="z-index: 1; left: 598px; top: 231px; position: absolute" Type="Date"></asp:CompareValidator>
    </form>
</body>
</html>

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