拿一个请查看以下链接

ASP.NET登录控件概述 [ ^ ]

ASP.NET 3.5中的登录控制 [ ^ ]

在Asp.Net中创建登录页面的LoginControl示例 [ ^ ]


您可以将代码从C＃转换为VB 这里 [ ^ ]

http://www.vbdotnetheaven.com/UploadFile/raj1979/login-control-in-Asp-Net-3-5-using-VB-Net/ [ ^ ]

can anyone give me a codes for login form in vb.net using asp.net and sql server,please?.thanks a lot.

Take a look at the following links
ASP.NET Login Controls Overview[^]
Login Control in ASP.NET 3.5[^]
LoginControl Example In Asp.Net To Create Login Page[^]

You can convert the code from C# to VB here[^]

http://www.vbdotnetheaven.com/UploadFile/raj1979/login-control-in-Asp-Net-3-5-using-VB-Net/[^]