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Devart.Common Namespace / DbDataTable Class / UpdatingFields Property
Example

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UpdatingFields Property (DbDataTable)
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Gets or sets string containing list of field names used to generate update commands.
Syntax
'Declaration
 
Public Property UpdatingFields As String
 

Property Value

The string containing list of field names separated by semicolon.
Example
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
See Also