'Declaration Public Class MinimumSummaryCalculator Inherits SummaryCalculator
public class MinimumSummaryCalculator : SummaryCalculator
Private Sub Window1_Loaded(ByVal sender As Object, ByVal e As RoutedEventArgs) ' Set the data source. _dp.DataSource = _dataSource ' AllowSummaries enables the UI for the user to be able to select/unselect ' summaries for fields. SummaryUIType specifies whether the user is allowed to ' select single or multiple summaries pereach field. It also has options for ' enabling summary selection UI for numeric fields only or for all fields. ' _dp.FieldSettings.AllowSummaries = True _dp.FieldSettings.SummaryUIType = SummaryUIType.MultiSelect ' To add a summary, use the SummaryDefinitions property of the FieldLayout. ' Each SummaryDefinition object represents a summary calculation to perform ' on a field's data. SourceFieldName specifies the field whose data will be ' summarized. Key is optional and it simply associates an identifier to the ' summary. This identifier can be used later to access the summary via ' indexers of SummaryDefinitionCollection and SummaryResultCollection. ' Calculator specifies the type of calculation to perform on the field data. ' There are five built in calculators of Average, Sum, Minimum, Maximum and ' Count. However you can easily add custom calculators by deriving from ' SummaryCalculator base class and registering the new calculator using the ' SummaryCalculator's Register static method. ' Dim summaryDef1 As SummaryDefinition = _dp.FieldLayouts(0).SummaryDefinitions.Add( _ "PriceAverage", SummaryCalculator.Average, "Price") ' StringFormat specifies the format that will be used to format the summary ' result. ' summaryDef1.StringFormat = "Avg={0:C}" ' Add a second summary. Dim summaryDef2 As SummaryDefinition = _dp.FieldLayouts(0).SummaryDefinitions.Add( _ "PriceTotal", SummaryCalculator.Sum, "Price") summaryDef2.StringFormat = "Total={0:C}" End Sub
public void Window1_Loaded( object sender, RoutedEventArgs e ) { // Set the data source. _dp.DataSource = _dataSource; // AllowSummaries enables the UI for the user to be able to select/unselect // summaries for fields. SummaryUIType specifies whether the user is allowed to // select single or multiple summaries pereach field. It also has options for // enabling summary selection UI for numeric fields only or for all fields. // _dp.FieldSettings.AllowSummaries = true; _dp.FieldSettings.SummaryUIType = SummaryUIType.MultiSelect; // To add a summary, use the SummaryDefinitions property of the FieldLayout. // Each SummaryDefinition object represents a summary calculation to perform // on a field's data. SourceFieldName specifies the field whose data will be // summarized. Key is optional and it simply associates an identifier to the // summary. This identifier can be used later to access the summary via // indexers of SummaryDefinitionCollection and SummaryResultCollection. // Calculator specifies the type of calculation to perform on the field data. // There are five built in calculators of Average, Sum, Minimum, Maximum and // Count. However you can easily add custom calculators by deriving from // SummaryCalculator base class and registering the new calculator using the // SummaryCalculator's Register static method. // SummaryDefinition summaryDef1 = _dp.FieldLayouts[0].SummaryDefinitions.Add( "PriceAverage", SummaryCalculator.Average, "Price" ); // StringFormat specifies the format that will be used to format the summary // result. // summaryDef1.StringFormat = "Avg={0:C}"; // Add a second summary. SummaryDefinition summaryDef2 = _dp.FieldLayouts[0].SummaryDefinitions.Add( "PriceTotal", SummaryCalculator.Sum, "Price" ); summaryDef2.StringFormat = "Total={0:C}"; }
Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Server 2012, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2
MinimumSummaryCalculator Members
Infragistics.Windows.DataPresenter Namespace
SummaryCalculator Class
AverageSummaryCalculator Class
SumSummaryCalculator Class
CountSummaryCalculator Class
MaximumSummaryCalculator Class
MinimumSummaryCalculator Class
SummaryDefinition Class
SummaryDefinitions Property