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C# 验证控件组

2019-05-13 21:40  若藜520  阅读(442)  评论(0)  编辑  收藏  举报

C# 验证控件允许使用ValidationGroup给验证控件分组，分组后的两组验证控件可以独立使用，互不相干。比如一个页面有登录和注册两个部分，假如使用验证控件组，提交的时候会对所有的验证控件进行验证，分组后可以对登录和注册单独验证

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="ValidationGroup.aspx.cs" Inherits="WebApplication1.ValidationGroup" %>

<!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></title>
    <style type ="text/css" >
        .column
        {
            float:left ;
            width :300;
            margin-left :10px;
            background-color :White ;
            border :1px solid black;
            padding :10px;
        }
        .red
        {
            color:Red ;
        }
        
        body
        {
            background-color:Silver ;
        }
    </style>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <div class ="column" >
        <fieldset >
            <legend >Login</legend>
            <p>Please login our website.</p>
            <asp:Label ID ="lblUserName" runat ="server" AssociatedControlID ="txtUserName" Text ="User Name:"></asp:Label><br />
            <asp:TextBox ID ="txtUserName" runat ="server" ></asp:TextBox>
            <asp:RequiredFieldValidator ID ="reqUserName" runat ="server" ControlToValidate ="txtUserName" Text ="(Required)" CssClass ="red" ValidationGroup ="login"></asp:RequiredFieldValidator>

            <br />
            <asp:Label ID ="lblPassword" runat ="server" Text ="Password:"  AssociatedControlID ="txtPassword"></asp:Label><br />
            <asp:TextBox ID ="txtPassword" runat ="server" ></asp:TextBox>
            <asp:RequiredFieldValidator ID ="reqPassword" runat ="server" ControlToValidate ="txtPassword" CssClass ="red" Text ="(Required)" ValidationGroup ="login"></asp:RequiredFieldValidator>
            <br /><br />
            <asp:Button ID ="btnSummit" runat ="server" Text ="Login" onclick="btnSummit_Click" ValidationGroup ="login" />
        </fieldset>
        <asp:Label ID ="lblResult" runat ="server" ></asp:Label>

        </div>

        <div class ="column" >
            <fieldset >
                <legend>Register</legend>
                <asp:Label runat ="server" Text ="First Name:" AssociatedControlID ="txtFirstName"  ></asp:Label><br />
                <asp:TextBox ID ="txtFirstName" runat ="server" ></asp:TextBox>
                <asp:RequiredFieldValidator ID ="reqFirstName" runat ="server" ControlToValidate ="txtFirstName"  Text ="(Required)" CssClass ="red " ValidationGroup ="register"></asp:RequiredFieldValidator>
                <br /><br />

                <asp:Button ID ="btnRegister" runat ="server" Text ="Register" onclick="btnRegister_Click" CausesValidation= ValidationGroup ="register" />
            </fieldset>
            <asp:Label ID ="lblRegisterResult" runat ="server"  ></asp:Label>
        </div>
    </div>
    </form>
</body>
</html>
View Code
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 ValidationGroup : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {

        }

        protected void btnSummit_Click(object sender, EventArgs e)
        {
            if (Page.IsValid)
                lblResult.Text = "Login Successfully.";
        }

        protected void btnRegister_Click(object sender, EventArgs e)
        {
            if (Page.IsValid)
                lblResult.Text = "Register Successfully.";
        }

       
    }
}
View Code

注：button控件也要设置ValidationGroup属性