System.Data.Tests.DataSetTest2.LoadTest2 C# (CSharp) Метод

        public void LoadTest2()
        {
            DataSet ds1 = new DataSet();
            DataSet ds2 = new DataSet();
            DataTable dt1 = new DataTable("T1");
            DataTable dt2 = new DataTable("T2");
            DataTable dt3 = new DataTable("T1");
            DataTable dt4 = new DataTable("T2");
            dt1.Columns.Add("ID", typeof(int));
            dt1.Columns.Add("Name", typeof(string));
            dt2.Columns.Add("EmpNO", typeof(int));
            dt2.Columns.Add("EmpName", typeof(string));

            dt1.Rows.Add(new object[] { 1, "Andrews" });
            dt1.Rows.Add(new object[] { 2, "Mathew" });
            dt1.Rows.Add(new object[] { 3, "Jaccob" });

            dt2.Rows.Add(new object[] { 1, "Arul" });
            dt2.Rows.Add(new object[] { 2, "Jothi" });
            dt2.Rows.Add(new object[] { 3, "Murugan" });

            ds2.Tables.Add(dt1);
            ds2.Tables.Add(dt2);
            ds1.Tables.Add(dt3);
            ds1.Tables.Add(dt4);

            DataTableReader reader = ds2.CreateDataReader();
            //ds1.Load (reader, LoadOption.PreserveChanges, dt3, dt4);
            ds1.Load(reader, LoadOption.OverwriteChanges, dt3, dt4);

            Assert.Equal(ds2.Tables.Count, ds1.Tables.Count);
            int i = 0;
            foreach (DataTable dt in ds1.Tables)
            {
                DataTable dt5 = ds2.Tables[i];
                Assert.Equal(dt5.Rows.Count, dt.Rows.Count);
                int j = 0;
                DataRow row1;
                foreach (DataRow row in dt.Rows)
                {
                    row1 = dt5.Rows[j];
                    for (int k = 0; k < dt.Columns.Count; k++)
                    {
                        Assert.Equal(row1[k], row[k]);
                    }
                    j++;
                }
                i++;
            }
        }
        private void AssertDataTableValues(DataTable dt)