using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Data; using System.Web.UI; using System.Web.UI.WebControls; public partial class DataTableDemo : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { #region 添加一个表 DataTable dt = new DataTable(); dt.Columns.Add(new DataColumn("ID", typeof(int)) { DefaultValue = 0 }); dt.Columns.Add(new DataColumn("Name", typeof(string)) { DefaultValue = "1" }); dt.Columns.Add(new DataColumn("Item", typeof(string)) { DefaultValue = "1" }); dt.Columns.Add(new DataColumn("ItemAmount", typeof(double)) { DefaultValue = 0 }); dt.Rows.Add(1, "小李", "基本工资", 60); dt.Rows.Add(1, "小李", "业绩提成", 70); dt.Rows.Add(2, "小张", "基本工资", 500); dt.Rows.Add(2, "小张", "业绩提成", 60); dt.Rows.Add(2, "小张", "奖金福利", 800); dt.Rows.Add(3, "小王", "基本工资", 30); dt.Rows.Add(3, "小王", "奖金福利", 900); #endregion DataTable dtSource = dt.Copy(); dt.Columns[3].SetOrdinal(1); //ItemAmount列放置到第二列 索引从0开始 //列移动前 GridView1.DataSource = dtSource; GridView1.DataBind(); //列移动后 GridView2.DataSource = dt; GridView2.DataBind(); } }