DataColumnCollection.Clear 方法

public:
 void Clear();

public void Clear();

member this.Clear : unit -> unit

Public Sub Clear ()

範例

以下範例清除欄位的集合。

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

備註

如果集合成功新增或移除欄位，事件 CollectionChanged 就會發生。