ActiveReports 12
SummaryGroup Property (TextBox)
Example 

GrapeCity.ActiveReports.v12 Assembly > GrapeCity.ActiveReports.SectionReportModel Namespace > TextBox Class : SummaryGroup Property
Gets or sets the name of the group header section that is used to reset the summary value when calculating subtotals.
Syntax
'Declaration
 
Public Property SummaryGroup As String
public string SummaryGroup {get; set;}
Remarks

For example, setting a sum of Price for an Order group header will reset the sum to zero for each order group.   The property is only used when SummaryType is set to SummaryType.SubTotal

Example
private void detail_Format(object sender, System.EventArgs eArgs)
{
    this.textBox1.SummaryGroup = null;
    this.textBox1.SummaryRunning = SummaryRunning.None;
    this.textBox1.SummaryType = SummaryType.None;
}
Private Sub Detail1_Format(ByVal sender As Object, ByVal e As System.EventArgs) Handles Detail1.Format
   Me.TextBox1.SummaryGroup = Nothing
   Me.TextBox1.SummaryRunning = SummaryRunning.None
   Me.TextBox1.SummaryType = SummaryType.None
End Sub
See Also

Reference

TextBox Class
TextBox Members
ActiveReports6~GrapeCity.ActiveReports.TextBox~SummaryFunc
ActiveReports6~GrapeCity.ActiveReports.TextBox~SummaryRunning
ActiveReports6~GrapeCity.ActiveReports.TextBox~SummaryType