DataTable dt=new DataTable();如果帶個(gè)String參數(shù)，此參數(shù)表示表名。

//數(shù)據(jù)庫(kù)的Nvarchar等類型，在此可用String兼容。可不指明數(shù)據(jù)類型
DataColumn dc = new DataColumn("商品編號(hào)", typeof(system.string));

dt.Columns.Add(dc);

dt.Rows[i].SetField<int>(dc, int.Parse(hc.Values[i]);

dt.Rows.Add(dr.ItemArray);

DataTable ds=car.getGoods(v);	//從數(shù)據(jù)庫(kù)里讀出的表
dt.Merge(ds);	//將 ds 表合并到表 dt

dt = ds.Clone();

protected void Page_Load(object sender, EventArgs e)
{
    HttpCookie hc=Request.Cookies["goods"];
    DataTable dt = new DataTable();
    DataColumn dc1 = new DataColumn("商品編號(hào)");
    DataColumn dc2 = new DataColumn("商品名稱");
    DataColumn dc3 = new DataColumn("商品重量");
    DataColumn dc4 = new DataColumn("商品價(jià)格");
    DataColumn dc5 = new DataColumn("購(gòu)買數(shù)量");
    dt.Columns.Add(dc1);
    dt.Columns.Add(dc2);
    dt.Columns.Add(dc3);
    dt.Columns.Add(dc4);
    dt.Columns.Add(dc5);
    TemplateField fd = new TemplateField();
    fd.HeaderText = "數(shù)量";
    if (hc != null)
    {
      for (int i = 0; i < hc.Values.Count; i++)
      {
        string c = hc.Values.Keys[i];
        string v = c.Replace("goodName", "");
        DataTable ds=car.getGoods(v);
        DataRow dr=ds.Rows[0];
        // fd.ItemTemplate = new gr

        //dt = ds.Clone();
        //dt.Merge(ds);
        dt.Rows.Add(dr.ItemArray);
        dt.Rows[i].SetField<int>(dc5,int.Parse( hc.Values[i]));
        
        
      }
    
      GridView1.DataSource = dt;
      GridView1.DataKeyNames = new string[] {"商品編號(hào)"};
			GridView1.DataBind();
			dt.Dispose();
    }
  }