页面层加一个  Panl

Cs  层：

using System;
using System.Data;
using System.Configuration;
using System.Collections;
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 Default6 : System.Web.UI.Page
...{
    protected void Page_Load(object sender, EventArgs e)
    ...{
        //if (!IsPostBack)
        //{
            //Panel1.Controls.Add(new LiteralControl("<" + "TABLE id='MenuTable'  runat='server' with='100%' height='500px' border='0' cellpadding='0' cellspacing='0' " + ">"));//表开始
            aa();
        //}
    }
    private void aa()
    ...{
        Panel1.Controls.Add(new LiteralControl("<" + "TABLE id='MenuTable'  runat='server' with='100%' height='500px' border='0' cellpadding='0' cellspacing='0' " + ">"));//表开始
        for (int i = 0; i < 4; i++)
        ...{
            Panel1.Controls.Add(new LiteralControl("<TR>"));
            Panel1.Controls.Add(new LiteralControl("<TD>"));
            Label lbl = new Label();
            lbl.ID = i.ToString();
            lbl.Text = "班组:";
            Panel1.Controls.Add(lbl);
            Panel1.Controls.Add(new LiteralControl("</TD>"));
            Panel1.Controls.Add(new LiteralControl("<TD>"));
            TextBox txt = new TextBox();
            txt.ID = "txt" + i.ToString();
            Panel1.Controls.Add(txt);
            Panel1.Controls.Add(new LiteralControl("</TD>"));
            Panel1.Controls.Add(new LiteralControl("<TD>"));
            Button btn = new Button();
            btn.ID = "btn" + i.ToString();
            string name= btn.ID;
            btn.Text = "保存";
            btn.Click += new EventHandler(btnClick);
            //btn.Attributes.Add(name, "OnClick");
            Panel1.Controls.Add(btn);
            Panel1.Controls.Add(new LiteralControl("</TD>"));
            Panel1.Controls.Add(new LiteralControl("</TR>"));
        }
        Panel1.Controls.Add(new LiteralControl("</TABLE>"));
    }
  
    protected void btnClick(object sender, EventArgs e)
    ...{
        string ap = ((Button)sender).ID;
        string s = ((TextBox)Panel1.FindControl("txt1")).Text;
        Response.Write(s);
    }
}