数据集之间的关联

数据集之间的关联

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;

namespace WebApplication1.SubFolder1
{
    public partial class WebForm1 : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            DataSet2 ds1 = new DataSet2();
            DataSet2.DataTable2Row dt1 = ds1.DataTable2.NewDataTable2Row();
            dt1.DataColumn1FK = Guid.NewGuid();
            dt1.DataColumn2 = "dt12";
            ds1.DataTable2.AddDataTable2Row(dt1);
            DataSet2.DataTable1Row dt2 = ds1.DataTable1.NewDataTable1Row();
            dt2.DataColumn1 = dt1.DataColumn1FK;
            dt2.DataColumn2 = "dt11";
            ds1.DataTable1.AddDataTable1Row(dt2);
            DataRow[] rows = ds1.DataTable1[0].GetChildRows("DataTable1_DataTable2");
            for (int i = 0; i < rows.Length; i++)
            {
                DataRow row = (DataRow)rows.GetValue(i);
                Guid a = (Guid)row["DataColumn1FK"];
                string b = row["DataColumn2"].ToString();
                
            }
        }
    }
}