手动创建DataTable并绑定gridview

Posted 2020-09-27 杰的记事本——javascript.shop

原文发布时间为：2008-08-04 —— 来源于本人的百度文章 [由搬家工具导入]

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 dataset_datatable : System.Web.UI.Page
{
      protected void Page_Load(object sender, EventArgs e)
      {
          if (!IsPostBack)
          {
              DataSet ds = new DataSet("ds_dry");//创建一个名为ds_dry的DataSet

             DataTable dt = new DataTable("dt_dry");//创建一个名为dt_dry的DataTalbe

             dt.Columns.Add(new DataColumn("id",typeof(int)));//为dt_dry表内建立Column
              dt.Columns.Add(new DataColumn("name", typeof(string)));
              dt.Columns.Add(new DataColumn("img",typeof(string)));
              dt.Columns.Add(new DataColumn("timer", typeof(DateTime)));

             DataRow dr = dt.NewRow();//注意这边创建dt的新行的方法。指定类型是DataRow而不是TableRow，然后不用new直接的用创建的DataTable下面的NewRow方法。
              dr["id"] = 1;
              dr["name"] = "AA";
              dr["img"] = "~/img/1.png";
              dr["timer"] = DateTime.Now;
              dt.Rows.Add(dr);

              dr =dt.NewRow();
              dr["id"] = 2;
              dr["name"] = "bb";
              dr["img"] = "~/img/2.png";
              dr["timer"] = DateTime.Now;
              dt.Rows.Add(dr);

              dr =dt.NewRow();
              dr["id"] = 3;
              dr["name"] = "cc";
              dr["img"] = "~/img/3.png";
              dr["timer"] = DateTime.Now;
              dt.Rows.Add(dr);

              dr =dt.NewRow();
              dr["id"] = 4;
              dr["name"] = "<b>dd</b>";
              dr["img"] = "~/img/4.png";
              dr["timer"] = DateTime.Now;
              dt.Rows.Add(dr);

              dr =dt.NewRow();
              dr["id"] = 5;
              dr["name"] = "ee";
              dr["img"] = "~/img/5.png";
              dr["timer"] = DateTime.Now;
              dt.Rows.Add(dr);
              ds.Tables.Add(dt);//别忘记向ds中添加table

             Session["ds"] = ds;//存储在sessin里面，方便下面调用
              fill();
            
            

          }
       
      }

      private void fill()
      {
         DataSet ds = (DataSet)Session["ds"];//进行强制类型转换
          dg.DataSource = ds;
          dg.DataBind();
      }

}