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;
using System.Drawing;
public partial class _Default : System.Web.UI.Page
{ protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
Button btn1 = new Button();
btn1.ID = "button1";
btn1.Attributes.Add("runat","server");
btn1.Text = "还原";
btn1.Width = 50;
btn1.Height = 50;
btn1.Click+=new EventHandler(btn1_Click);
this.form1.Controls.Add(btn1);
}
}
void btn1_Click(object sender, EventArgs e)
{
Response.Write("<script language='javascript'>alert('btn1');</script>");
}
}
为何单击之后,控件消失了
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;
using System.Drawing;
public partial class _Default : System.Web.UI.Page
{ protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
Button btn1 = new Button();
btn1.ID = "button1";
btn1.Attributes.Add("runat","server");
btn1.Text = "还原";
btn1.Width = 50;
btn1.Height = 50;
btn1.Click+=new EventHandler(btn1_Click);
this.form1.Controls.Add(btn1);
}
}
void btn1_Click(object sender, EventArgs e)
{
Response.Write("<script language='javascript'>alert('btn1');</script>");
}
}
为何单击之后,控件消失了
解决方案 »
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