
.aspx页面:
<body>
<form id="form1" runat="server">
<div>
<br />
First Name:<asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>
<asp:RequiredFieldValidator ID="RequiredFieldValidator1" runat="server"
ControlToValidate="TextBox1" ErrorMessage="You must enter your first name">*</asp:RequiredFieldValidator>
<br />
<br />
<br />
Last Name:<asp:TextBox ID="TextBox2" runat="server"></asp:TextBox>
<asp:RequiredFieldValidator ID="RequiredFieldValidator2" runat="server"
ControlToValidate="TextBox2" ErrorMessage="You must enter your last name">*</asp:RequiredFieldValidator>
<br />
<br />
<asp:Button ID="Button1" runat="server" Text="Button" />
<br />
<asp:ValidationSummary ID="ValidationSummary1" runat="server"
ShowMessageBox="True" ShowSummary="False" />
</div>
</form>
</body>
本文介绍了一个简单的ASP.NET网页表单验证实例,其中包括两个输入框分别用于输入名字和姓氏,并使用了RequiredFieldValidator控件进行必填字段验证。
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