The
DbDataTable class represents a single object that provides all of the functionality needed to retrieve and manipulate data from a data source. The
DbDataTable class is built using existing ADO.NET components.
This sample shows how to use
DbDataTable. The routine accepts DbTable-compatible object and IDbConnection implementor object as parameters. After SQL query text has been set, the data is retrieved from the table.
static void UseDataTable(DbDataTable myDataTable, IDbConnection myConnection)
{
myDataTable.Connection = myConnection;
myDataTable.SelectCommand = myConnection.CreateCommand();
myDataTable.SelectCommand.CommandText = "SELECT * FROM Test.Dept";
try
{
myDataTable.Fill();
myDataTable.Rows[1].Delete();
myDataTable.Update();
foreach(DataRow myRow in myDataTable.Rows)
{
foreach(DataColumn myCol in myDataTable.Columns)
{
Console.Write(myRow[myCol] + "\t");
}
Console.WriteLine();
}
}
finally
{
myDataTable.Clear();
}
}
Public Sub UseDataTable(ByVal myDataTable As DbDataTable, ByVal myConnection As IDbConnection)
myDataTable.Connection = myConnection
myDataTable.SelectCommand = myConnection.CreateCommand()
myDataTable.SelectCommand.CommandText = "SELECT * FROM Test.Dept"
Try
myDataTable.Fill()
myDataTable.Rows(1).Delete()
myDataTable.Update()
Dim myRow As DataRow
Dim myCol As DataColumn
For Each myRow In myDataTable.Rows
For Each myCol In myDataTable.Columns
Console.Write(myRow(myCol) & Chr(9))
Next myCol
Console.WriteLine()
Next myRow
Finally
myDataTable.Clear()
End Try
End Sub
Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2