requirefv.aspx.cs

来自「关于ASP.NET制作程序模块」· CS 代码 · 共 30 行

using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;

public partial class _Default : System.Web.UI.Page 
{
    protected void Page_Load(object sender, EventArgs e)
    {
    }
    protected void btn_Click(object sender, EventArgs e)
    {
        if (Page.IsValid==true)
        {
            this.labmessage.Visible = true;
            this.labmessage.Text = "输入正确";
        }
        else
        {
            this.labmessage.Visible = true;
            this.labmessage.Text = "你的用户名还没有输入！";
        }
    }
}