DataColumnCollection.Clear Metode

Definisi

Ruang nama:

System.Data

Rakitan:

System.Data.Common.dll

Sumber:

DataColumnCollection.cs

Menghapus kumpulan kolom apa pun.

public:
 void Clear();

public void Clear ();

member this.Clear : unit -> unit

Public Sub Clear ()

Contoh

Contoh berikut menghapus kumpulan kolom.

private void ClearColumnsCollection(DataTable table)
{
    DataColumnCollection columns;
    // Get the DataColumnCollection from a
    // DataTable in a DataSet.
    columns = table.Columns;
    columns.Clear();
}

 Private Sub ClearColumnsCollection(table As DataTable)
     Dim columns As DataColumnCollection
     ' Get the DataColumnCollection from a 
     ' DataTable in a DataSet.
     columns = table.Columns
     columns.Clear()
End Sub

Keterangan

Jika koleksi berhasil diubah dengan menambahkan atau menghapus kolom, peristiwa akan CollectionChanged terjadi.