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 Test.Dept d, Test.Emp e
where d.Deptno = e.Deptno";
myDataTable.FetchAll = true;
myDataTable.CachedUpdates = false;
myDataTable.UpdatingTable = "Test.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 Test.Dept d, Test.Emp e " + _
"where d.Deptno = e.Deptno"
myDataTable.FetchAll = True
myDataTable.CachedUpdates = False
myDataTable.UpdatingTable = "Test.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
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