public void DataTableCollection_Remove_S1()
{
var ds = new DataSet();
DataTable dt = new DataTable("NewTable1");
DataTable dt1 = new DataTable("NewTable2");
ds.Tables.AddRange(new DataTable[] { dt, dt1 });
ds.Tables.Remove("NewTable1");
Assert.Equal(1, ds.Tables.Count);
Assert.Equal(dt1, ds.Tables[0]);
ds.Tables.Remove("NewTable2");
Assert.Equal(0, ds.Tables.Count);
}