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DataColumnCollection.Clear Method

Clears the collection of any columns.

Namespace: System.Data
Assembly: System.Data (in system.data.dll)

public void Clear ()
public void Clear ()
public function Clear ()
Not applicable.

If the collection is successfully changed by adding or removing columns, the CollectionChanged event occurs.

The following example clears the columns collection.


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

Windows 98, Windows Server 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 2.0, 1.0

XNA Framework

Supported in: 1.0
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