OracleCommandBuilder Class
Automatically generates single-table commands used to reconcile changes made to a
System.Data.DataSet with the Oracle.
The following example uses
OracleCommand, along with
OracleDataAdapter and
OracleConnection, to select rows from Oracle. The example is passed an initialized
System.Data.DataSet, a connection string, a query string that is SQL SELECT statement, and a string that is the name of the Oracle table. The example then creates a
OracleCommandBuilder.
public DataSet SelectOracleSrvRows(DataSet myDataSet,string myConnection,string mySelectQuery,string myTableName)
{
OracleConnection myConn = new OracleConnection(myConnection);
OracleDataAdapter myDataAdapter = new OracleDataAdapter();
myDataAdapter.SelectCommand = new OracleCommand(mySelectQuery, myConn);
OracleCommandBuilder myCommandBuilder = new OracleCommandBuilder(myDataAdapter);
myConn.Open();
DataSet myDataSet = new DataSet();
myDataAdapter.Fill(myDataSet, "Departments");
//code to modify data in dataset here
//Without the OracleCommandBuilder this line would fail
myDataAdapter.Update(myDataSet, "Departments");
myConn.Close();
return myDataSet;
}
Public Function SelectOracleSrvRows(myDataSet As DataSet, myConnection As String, mySelectQuery As String, myTableName As String) As DataSet
Dim myConn As New OracleConnection(myConnection)
Dim myDataAdapter As New OracleDataAdapter()
myDataAdapter.SelectCommand = New OracleCommand(mySelectQuery, myConn)
Dim myCommandBuilder As OracleCommandBuilder = New OracleCommandBuilder(myDataAdapter)
myConn.Open()
Dim myDataSet As DataSet = New DataSet
myDataAdapter.Fill(myDataSet, "Departments")
' Code to modify data in DataSet here
' Without the OracleCommandBuilder this line would fail.
myDataAdapter.Update(myDataSet, "Departments")
myConn.Close()
SelectOracleSrvRows = myDataSet
End Function
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