动态创建DataList

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我是靠谱客的博主鳗鱼海燕，最近开发中收集的这篇文章主要介绍动态创建DataList，觉得挺不错的，现在分享给大家，希望可以做个参考。

概述

//aspx

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="DynamicDataList.aspx.cs" Inherits="DynamicDataList" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>无标题页</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="Button" />
    </div>
    </form>
</body>
</html>

//aspx.cs

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;
using System.Data.SqlClient;

public partial class DynamicDataList : System.Web.UI.Page
{
    private DataView GetAuthors()
    {
        SqlConnection cn = new SqlConnection(@"server=./SQLExpress;uid=sa;pwd=password;database=pubs");
        SqlDataAdapter da = new SqlDataAdapter("select * from authors", cn);
        DataSet ds = new DataSet();
        cn.Open();
        da.Fill(ds);
        cn.Close();
        return ds.Tables[0].DefaultView;
    }

protected void Page_Load(object sender, EventArgs e)
{

}

    protected void Button1_Click(object sender, EventArgs e)
    {
        DataList d = new DataList();
        d.ID = "dlstTest";

        d.ItemTemplate = new MyColumn("h1", 200);
        d.ItemDataBound +=new DataListItemEventHandler(d_ItemDataBound);
        d.DataSource = this.GetAuthors();
        d.DataBind();
        this.form1.Controls.Add(d);
    }

    private void d_ItemDataBound(object sender, System.Web.UI.WebControls.DataListItemEventArgs e)
    {
        HyperLink h;
        if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
        {
            h = (HyperLink)e.Item.FindControl("h1");
            if (h != null)
            {
                h.Text = ((DataRowView)e.Item.DataItem).Row["au_id"].ToString();
                h.NavigateUrl = "Msg.aspx?id=" + h.Text;
            }
        }
    }
}

public class MyColumn : ITemplate
{
private string pControlName; //控件名称
private int pWidth; //控件宽度

    public MyColumn(string ControlName, int Width)
    {
        pControlName = ControlName;
        pWidth = Width;
    }

    public void InstantiateIn(Control container)
    {
        HyperLink h = new HyperLink();
        h.Width = pWidth;
        h.ID = pControlName;
        container.Controls.Add(h);
    }
}