Initializes a new instance of the GroupField class.
public GroupField( string fieldName, XRColumnSortOrder sortOrder )
Public Sub New( fieldName As String, sortOrder As XRColumnSortOrder )
A string containing one of the data source's field names that is used as the criterion for creating groups in a report.
The ColumnSortOrder enumeration that determines the sort order of records in the dataset received from the primary data source.
A data source is an object set by the XtraReportBase.DataSource property.