DeleteCommand Property (OracleDataTable)
Gets or sets an Oracle statement to delete records from the data set.
'Declaration
Public Shadows Property DeleteCommand As OracleCommand
Property Value
A
OracleCommand used during an update operation to delete records in the data source that correspond to deleted rows in the
System.Data.DataSet.
This sample shows how to modify and display data using
OracleDataTable.
public void UseDataTable(OracleConnection myConnection)
{
OracleDataTable myDataTable = new OracleDataTable("SELECT * FROM Test.Dept", myConnection);
try
{
myDataTable.Active = true;
myDataTable.Rows[1].Delete();
myDataTable.DeleteCommand = new OracleCommand("DELETE FROM Test.Emp WHERE DeptNo = :DeptNo;DELETE FROM Test.Dept WHERE DeptNo = :DeptNo", myConnection);
myDataTable.DeleteCommand.Parameters.Add("DeptNo", OracleDbType.Integer, 0, "DeptNo").SourceVersion = DataRowVersion.Original;
myDataTable.Update();
foreach(DataRow myRow in myDataTable.Rows)
{
foreach(DataColumn myCol in myDataTable.Columns)
{
Console.Write(myRow[myCol]+"\t");
}
Console.WriteLine();
}
}
finally
{
myDataTable.Active = false;
}
}
Public Sub UseDataTable(ByVal myConnection As OracleConnection)
Dim myDataTable As OracleDataTable = New OracleDataTable("SELECT * FROM Test.Dept", myConnection)
Try
myDataTable.Active = True
myDataTable.Rows(2).Delete()
myDataTable.DeleteCommand = New OracleCommand("DELETE FROM Test.Emp WHERE DeptNo = :DeptNo;DELETE FROM Test.Dept WHERE DeptNo = :DeptNo", myConnection)
myDataTable.DeleteCommand.Parameters.Add("DeptNo", OracleDbType.Integer, 0, "DeptNo").SourceVersion = DataRowVersion.Original
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.Active = False
End Try
End Sub