web form 服务器控件表单验证

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

 <!DOCTYPE html>

 <html xmlns="http://www.w3.org/1999/xhtml">
 <head runat="server">
     <title></title>
 </head>
 <body>
     <form id="form1" runat="server">
     <div>
       <table class="auto-style1">
         <tr>
           <td>Name:</td>
           <td>
             <asp:TextBox ID="TextName" runat="server"></asp:TextBox>
             <asp:RequiredFieldValidator ID="RequiredFieldValidator1"
               runat="server" ControlToValidate="TextName"
               ErrorMessage="Name required">*</asp:RequiredFieldValidator>
           </td>
         </tr>
         <tr>
           <td>Email:</td>
           <td>
             <asp:TextBox ID="TextEmail" runat="server"></asp:TextBox>
             <asp:RequiredFieldValidator ID="RequiredFieldValidator2"
               runat="server" ControlToValidate="TextEmail" Display="Dynamic"
               ErrorMessage="Email required">*</asp:RequiredFieldValidator>
             <asp:RegularExpressionValidator ID="RegularExpressionValidator1"
               runat="server" ControlToValidate="TextEmail" Display="Dynamic"
               ErrorMessage="Please enter an email"
               ValidationExpression="\w+([-+.']\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*">*</asp:RegularExpressionValidator>
           </td>
         </tr>
         <tr>
           <td>
             <asp:Button ID="Button1" runat="server" Text="Register" />
           </td>
           <td>&nbsp;</td>
         </tr>
       </table>

     </div>
         <asp:ValidationSummary ID="ValidationSummary1" runat="server" />
     </form>
 </body>
 </html>