The DataTable: Filtering, Adding, Editing, Sorting, and Deleting DataRows
Because we believe it is important to develop a good fundamental understanding of new technology, we thought we should start this chapter with code illustrating how to create a DataTable and DataSet from “scratch.” We are going to dynamically build the DataSet, DataTable, DataColumn, and DataRow objects and then bind to a DataGrid (Listing 11.1).
Listing 11.1. Constructing a DataTable
[VisualBasic.NET] 01: <%@ import namespace="System.Data" %> 02: 03: <script language="vb" runat="server"> 04: 05: sub Page_Load(sender as Object, e as EventArgs) 06: 07: dim DS as new DataSet() 08: dim DC as DataColumn 09: dim DR as DataRow 10: 11: dim DT as new DataTable("Counters") 12: ... |
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