A.import B.using C.include D.lib
A.myTable=newDataTable("Months");myTable.Columns.Add("Month",string); B.myTable=newDataTable("Months");myTable.Columns.Add("Month",typeof(string)); C.myTable=newDataTable("Months");myTable.Columns.Add("string",Month)); D.myTable=newDataTable("Months");myTable.Columns.Add(string,"Month"));
A.DataSetB.DataReaderC.ConnectionD.Command