Gets or sets the name of the field that records in the container will be grouped by. No matter what you set this property to, the container will be grouped by the sort field (in future releases you will be able to group by a different field). If you do not set this property, records will not be grouped.

string GroupField { get; set; }

Property GroupField As String

property String^ GroupField {
	String^ get ();
	void set (String^ value);
}