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学习资源来源 csdn博主文章:Asp.Net的六种验证控件
学习资源 来源csdn博主文章:
加载页面如下
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm1.aspx.cs" Inherits="homework4.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>1-Registration Form的输入验证问题</title> <style > .label_style { width: 100px; margin-bottom: 15px; margin-right:15px; text-align:right; display: inline-block; } .div_content { border: solid #000000; /*设置边框样式跟颜色*/ border-width: 1px; /*设置边框宽度*/ width: 630px; /*设置div宽度*/ height: 650px; /*设置div高度*/ margin: 0 auto; /*设置div居中*/ } </style> </head> <body> <form id="form1" runat="server"> <div class="div_content"> <h2 style="font-weight:bold;margin:30px;">Registration Form</h2> <asp:Label runat="server" class="label_style" >User id:</asp:Label> <asp:TextBox ID="user_id" runat="server" Width="150px" ></asp:TextBox> <asp:RequiredFieldValidator runat="server" ControlToValidate="user_id" ErrorMessage="Required " ForeColor ="Red"> </asp:RequiredFieldValidator> <asp:RegularExpressionValidator ControlToValidate="user_id" ID="RegularExpressionValidator1" ValidationExpression="\S{5,12}" runat="server" ErrorMessage="must be of length 5 to 12" ForeColor ="Red"> </asp:RegularExpressionValidator> <br /> <asp:Label runat="server" class="label_style" >Password:</asp:Label> <asp:TextBox ID="password_id" type="password" runat="server" Width="150px"></asp:TextBox> <asp:RequiredFieldValidator runat="server" ControlToValidate="password_id" ErrorMessage="Required " ForeColor ="Red"> </asp:RequiredFieldValidator> <asp:RegularExpressionValidator ControlToValidate="password_id" ValidationExpression="\S{7,12}" runat="server" ErrorMessage="must be of length 7 to 12" ForeColor ="Red"> </asp:RegularExpressionValidator> <br /> <asp:Label runat="server" class="label_style" >Name:</asp:Label> <asp:TextBox ID="name_id" runat="server" Width="350px"></asp:TextBox> <asp:RequiredFieldValidator runat="server" ControlToValidate="name_id" ErrorMessage="Required " ForeColor ="Red"> </asp:RequiredFieldValidator> <asp:RegularExpressionValidator ControlToValidate="name_id" ValidationExpression="^[a-zA-Z]+$" runat="server" ErrorMessage="alphabates only" ForeColor =
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