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asp.net 验证控件

作者：佚名      ASP.NET网站开发编辑：admin      更新时间：2022-07-23

asp.net 验证控件

前台文件

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm1.aspx.cs" Inherits="Webapplication1.WebForm1" %><!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-style3 {            height: 25px;            width: 240px;            text-align:right;        }        .auto-style4 {            width: 200px;            height: 25px;        }    </style>    <script type="text/javascript">        function CheckNumber(source, args)        {            var number =args.Value;            if (number % 2 == 0)            {                args.IsValid = true;            }            else            {                args.IsValid = false;            }        }    </script></head><body>    <form id="form1" runat="server">    <div>    <table>        <tr>            <td class="auto-style3">用户名<asp:TextBox ID="txtUsername" runat="server"></asp:TextBox></td>            <td class="auto-style4"><asp:RequiredFieldValidator ID="reUser" runat="server" ErrorMessage="用户名不能为空" ForeColor="Red" ControlToValidate="txtUsername" Display="Dynamic">用户名不能为空</asp:RequiredFieldValidator></td>        </tr>        <tr>            <td class="auto-style3"><span style="width:150px">密 码</span><asp:TextBox ID="txtPwd" runat="server"></asp:TextBox>            </td>            <td class="auto-style4">                <asp:CompareValidator ID="cvPwd" runat="server" ControlToCompare="txtRePwd" ControlToValidate="txtPwd" ErrorMessage="两次密码不一样" ForeColor="Red" Display="Dynamic">两次密码不一样</asp:CompareValidator>                <asp:RequiredFieldValidator ID="rvPwd" runat="server" ControlToValidate="txtPwd" Display="Dynamic" ErrorMessage="密码不能为空" ForeColor="Red">密码不能为空</asp:RequiredFieldValidator>            </td>        </tr>        <tr>            <td class="auto-style3">确认密码<asp:TextBox ID="txtRePwd" runat="server"></asp:TextBox>            </td>            <td class="auto-style4"></td>        </tr>        <tr>            <td class="auto-style3">出生日期<asp:TextBox ID="txtBirthday" runat="server"></asp:TextBox>            </td>            <td class="auto-style4">                <asp:CompareValidator ID="cv" runat="server" ControlToValidate="txtBirthday" Display="Dynamic" ErrorMessage="日期格式错误" ForeColor="Red" Operator="DataTypeCheck" Type="Date">日期格式错误</asp:CompareValidator>            </td>        </tr>        <tr>            <td class="auto-style3">年龄<asp:TextBox ID="txtAge" runat="server"></asp:TextBox>            </td>            <td class="auto-style4">                <asp:RangeValidator ID="rvAge" runat="server" ControlToValidate="txtAge" ErrorMessage="年龄在18-60之间" ForeColor="Red" MaximumValue="60" MinimumValue="18" Display="Dynamic">年龄在18-60之间</asp:RangeValidator>                <asp:RequiredFieldValidator ID="rfvAge" runat="server" ControlToValidate="txtAge" Display="Dynamic" ErrorMessage="年龄不能为空" ForeColor="Red">年龄不能为空</asp:RequiredFieldValidator>            </td>        </tr>        <tr>            <td class="auto-style5">电子邮箱<asp:TextBox ID="txtEmail" runat="server"></asp:TextBox>            </td>            <td class="auto-style4">                <asp:RegularExPRessionValidator ID="revEmail" runat="server" ControlToValidate="txtEmail" ErrorMessage="email不正确" ForeColor="Red" ValidationExpression="\w+([-+.']\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*" Display="Dynamic">email不正确</asp:RegularExpressionValidator>                <asp:RequiredFieldValidator ID="rfvEmail" runat="server" ControlToValidate="txtEmail" Display="Dynamic" ErrorMessage="email不能为空" ForeColor="Red">email不能为空</asp:RequiredFieldValidator>            </td>        </tr>        <tr>            <td class="auto-style5">输入偶数<asp:TextBox ID="txtNumber" runat="server"></asp:TextBox>            </td>            <td class="auto-style4">                <asp:CustomValidator ID="cvNumber" runat="server" ControlToValidate="txtNumber" ErrorMessage="请输入偶数" ForeColor="Red" OnServerValidate="cvNumber_ServerValidate" ClientValidationFunction="CheckNumber" Display="Dynamic" ValidateEmptyText="True">请输入偶数</asp:CustomValidator>                <asp:RequiredFieldValidator ID="rfvNumber" runat="server" ControlToValidate="txtNumber" ErrorMessage="不能为空" ForeColor="Red">不能为空</asp:RequiredFieldValidator>            </td>        </tr>        <tr>            <td class="auto-style5">&nbsp;</td>            <td class="auto-style2"></td>        </tr>    </table>    </div>        <asp:Button ID="btn" runat="server" Text="提交" OnClick="btn_Click" />    </form></body></html>

后台文件

using System;using System.Collections.Generic;using System.Linq;using System.Web;using System.Web.UI;using System.Web.UI.WebControls;namespace WebApplication1{    public partial class WebForm1 : System.Web.UI.Page    {        protected void Page_Load(object sender, EventArgs e)        {        }        protected void cvNumber_ServerValidate(object source, ServerValidateEventArgs args)        {            int number =Convert.ToInt32(args.Value);            if (number % 2 == 0)            {                args.IsValid = true;            }            else            {                args.IsValid = false;            }        }        protected void btn_Click(object sender, EventArgs e)        {            if (Page.IsValid)            {                Page.ClientScript.RegisterStartupScript(typeof(string), "msg", "<script>alert('注册成功')</script>");            }        }    }}

HTML源代码

<!DOCTYPE html><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title></title>    <style type="text/css">        .auto-style3 {            height: 25px;            width: 240px;            text-align:right;        }        .auto-style4 {            width: 200px;            height: 25px;        }    </style>    <script type="text/Javascript">        function CheckNumber(source, args)        {            var number =args.Value;            if (number % 2 == 0)            {                args.IsValid = true;            }            else            {                args.IsValid = false;            }        }    </script></head><body>    <form method="post" action="WebForm1.aspx" onsubmit="javascript:return WebForm_OnSubmit();" id="form1"><div class="aspNetHidden"><input type="hidden" name="__EVENTTARGET" id="__EVENTTARGET" value="" /><input type="hidden" name="__EVENTARGUMENT" id="__EVENTARGUMENT" value="" /><input type="hidden" name="__VIEWSTATE" id="__VIEWSTATE" value="6ex773v4b4/hXQLYofVGNJTPHzaafkELWXXhJ6bm1aon+0cjZ94MnbkW6W9OcVgI5/lGjHRYmYpg2KcY1NG8FfMTMMf3hnmjA1GnqlCUmbM=" /></div><script type="text/javascript">//<![CDATA[var theForm = document.forms['form1'];if (!theForm) {    theForm = document.form1;}function __doPostBack(eventTarget, eventArgument) {    if (!theForm.onsubmit || (theForm.onsubmit() != false)) {        theForm.__EVENTTARGET.value = eventTarget;        theForm.__EVENTARGUMENT.value = eventArgument;        theForm.submit();    }}//]]></script><script src="/WebResource.axd?d=pynGkmcFUV13He1Qd6_TZDoSqJB3XGuZbUxmOMqKHDQHmFyhvoOeXgFpB6pnblhR2EkavQUYEKvfTW8ElhgXoA2&amp;t=635418570520000000" type="text/javascript"></script><scrip