public void Load_StringsDesc()
{
localSetup();
DataSet dsLoad = new DataSet("LoadStrings");
DataTable table1 = new DataTable("First");
dsLoad.Tables.Add(table1);
DataTable table2 = new DataTable("Second");
dsLoad.Tables.Add(table2);
DataTableReader dtr = _ds.CreateDataReader();
dsLoad.Load(dtr, LoadOption.PreserveChanges, "Second", "First");
Assert.Equal(2, dsLoad.Tables.Count);
Assert.Equal(3, dsLoad.Tables[0].Rows.Count);
Assert.Equal(3, dsLoad.Tables[0].Columns.Count);
Assert.Equal(3, dsLoad.Tables[1].Rows.Count);
Assert.Equal(2, dsLoad.Tables[1].Columns.Count);
}