Clears the collection.
Assembly: System.Windows.Forms (in System.Windows.Forms.dll)
The collection is data bound and the underlying data source does not support clearing the row data.
The associated DataGridView control is performing one of the following actions that temporarily prevents the row collection from being modified:
This method is being called from a handler for one of the following DataGridView events:
Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2