Clears the collection of any columns.
[Visual Basic] Public Sub Clear() [C#] public void Clear(); [C++] public: void Clear(); [JScript] public function Clear();
If the collection is succesfully changed by adding or removing columns, the OnCollectionChanged event occurs.
The following example clears the columns collection.
[Visual Basic]
Dim cols As ColumnsCollection ' Get the ColumnsCollection from a DataTable in a DataSet. cols = DataSet1.Tables("Orders").Columns cols.Clear
ColumnsCollection Class | ColumnsCollection Members | System.Data Namespace