<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm1.aspx.cs" Inherits="PanelDemo.WebForm1" %>
            
    
    
     
        
      
Panel Controls
        
      
Dynamically Generated Controls
        
                  
       
This is panel setting            
       
                          
       
        
              
      
                   
        
                         
 Number of Labels: 
                         
 
           
            
            
            
            
            
           
                    
                    
                         
 Number of TextBoxs: 
                         
 
           
            
            
            
            
            
           
                    
                    
                         
   
                    
                    
                         
 
           
                         
 
           
                    
               
      
        
      
        
      
ScrollBars and Wrapping
        
                  
               
              
      
        
                          
                           
                       
      
      
                   
        
                         
 ScrollBars: 
                         
 
           
            
            
            
            
            
           
                         
 Wrap: 
                                    
               
      
    
     
    
    

using System;using System.Collections.Generic;using System.Linq;using System.Web;using System.Web.UI;using System.Web.UI.WebControls;namespace PanelDemo{    public partial class WebForm1 : System.Web.UI.Page    {        protected void Page_Load(object sender, EventArgs e)        {            if (chkHide.Checked)            {                pnlDynamic.Visible = false;            }            else            {                pnlDynamic.Visible = true;            }            int numlabels = Int32.Parse(ddlLabels.SelectedItem.Value);            for (int i = 1; i < numlabels; i++)            {                Label lb1 = new Label();                lb1.Text = "Label " + (i).ToString();                pnlDynamic.Controls.Add(lb1);                pnlDynamic.Controls.Add(new LiteralControl("
"));            }            int numBoxes = Int32.Parse(ddlBoxes.SelectedItem.Value);            for (int i = 1; i < numBoxes; i++)            {                TextBox txt = new TextBox();                txt.Text = "TextBox " + i.ToString();                txt.ID = "TextBox " + i.ToString();                pnlDynamic.Controls.Add(txt);                pnlDynamic.Controls.Add(new LiteralControl("
"));            }            string strText = "填写长内容";            lbPanelContent.Text = strText;        }        protected void ddlScrollBars_SelectedIndexChanged(object sender, EventArgs e)        {            DropDownList ddl = (DropDownList)sender;            string strValue = ddl.SelectedValue;            ScrollBars scrollBar = (ScrollBars)Enum.Parse(typeof(ScrollBars), strValue);            pnlScroll.ScrollBars = scrollBar;        }        protected void rblWrap_SelectedIndexChanged(object sender, EventArgs e)        {            RadioButtonList rbl = (RadioButtonList)sender;            pnlScroll.Wrap = Convert.ToBoolean(rbl.SelectedValue);        }    }}