DataColumnCollection.Clear Method
Important
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Clears the collection of any columns.
public:
void Clear();C#
public void Clear();member this.Clear : unit -> unitPublic Sub Clear ()The following example clears the columns collection.
C#
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
If the collection is successfully changed by adding or removing columns, the CollectionChanged event occurs.
| Produkt | Verzie |
|---|---|
| .NET | Core 2.0, Core 2.1, Core 2.2, Core 3.0, Core 3.1, 5, 6, 7, 8, 9, 10 |
| .NET Framework | 1.1, 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1 |
| .NET Standard | 2.0, 2.1 |
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