UpdatingFields Property (DbDataTable)
Gets or sets string containing list of field names used to generate update commands.
public string UpdatingFields {get; set;}
'Declaration
Public Property UpdatingFields As String
Property Value
The string containing list of field names separated by semicolon.
The following example demonstrates how to use the
UpdatingFields property.
static void UseDataTable(DbDataTable myDataTable, DbConnection myConnection) {
myDataTable.Connection = myConnection;
myDataTable.SelectCommand = myConnection.CreateCommand();
myDataTable.SelectCommand.CommandText = "SELECT e.EMPNO, e.ENAME, e.JOB, d.DNAME
FROM Dept d, Emp e
where d.Deptno = e.Deptno";
myDataTable.FetchAll = true;
myDataTable.CachedUpdates = false;
myDataTable.UpdatingTable = "Emp";
myDataTable.UpdatingKeyFields = "EMPNO";
myDataTable.UpdatingFields = "EMPNO;ENAME;JOB";
myDataTable.Open();
DataRow row = myDataTable.Rows[0];
row[myDataTable.Columns["ENAME"]] = "John Smith";
myDataTable.Update();
myDataTable.Close();
}
Private Shared Sub UseDataTable(ByVal myDataTable As DbDataTable, ByVal myConnection As DbConnection)
myDataTable.Connection = myConnection
myDataTable.SelectCommand = myConnection.CreateCommand
myDataTable.SelectCommand.CommandText = "SELECT e.EMPNO, e.ENAME, e.JOB, d.DNAME" + _
"FROM Dept d, Emp e " + _
"where d.Deptno = e.Deptno"
myDataTable.FetchAll = True
myDataTable.CachedUpdates = False
myDataTable.UpdatingTable = "Emp"
myDataTable.UpdatingKeyFields = "EMPNO"
myDataTable.UpdatingFields = "EMPNO;ENAME;JOB"
myDataTable.Open()
Dim row1 As DataRow = myDataTable.Rows.Item(0)
row1.Item(myDataTable.Columns.Item("ENAME")) = "John Smith"
myDataTable.Update()
myDataTable.Close()
End Sub