Interface ISummaryColumn

Defines common functionality for GridSummaryColumn for calculating and displaying the summary value.

Namespace: Syncfusion.Data
Assembly: Syncfusion.Data.UWP.dll
Syntax
public interface ISummaryColumn

Properties

CustomAggregate

Gets or sets the instance of ISummaryAggregate to implement the custom summary.

Declaration
ISummaryAggregate CustomAggregate { get; set; }
Property Value
Type Description
ISummaryAggregate

An instance of ISummaryAggregate to implement the custom summary. The default value is null.

Format

Gets or sets the string that indicates how the summary value is formatted in display.

Declaration
string Format { get; set; }
Property Value
Type Description
System.String

A string that specifies the format of summary value.The default value is string.Empty.
Examples
        
 this.dataGrid.TableSummaryRows.Add(new GridSummaryRow()
 {
    Name="Total Products",
    ShowSummaryInRow = true,
    Title = "Total Products Count: {ProductCount}",
    SummaryColumns = new ObservableCollection<ISummaryColumn>()
    {
        new GridSummaryColumn()
        {
            Name="ProductCount",
            MappingName="ProductName",
            SummaryType=SummaryType.CountAggregate,
            Format="{Count:d}"
        },
    }
});

MappingName

Gets or sets the corresponding MappingName of the column based on which the aggregate values of the summary column is to be calculated.

Declaration
string MappingName { get; set; }
Property Value
Type Description
System.String

A string that specifies the corresponding MappingName of the column based on which the aggregate values of the summary column is to be calculated. The default value is string.Empty.

Name

Gets or sets the name of summary column.

Declaration
string Name { get; set; }
Property Value
Type Description
System.String

A string that specifies the name of the summary column. The default value is string.Empty.
Remarks

The name of the summary column and Title should be same for displaying summary value in the summary row, when the ShowSummaryInRow is true.

Examples
       
	//Here, the Title and Name have the same ProductCount string.
    this.dataGrid.TableSummaryRows.Add(new GridSummaryRow()
    {
        Name="Total Products",
        ShowSummaryInRow = true,
        Title = "Total Products Count: {ProductCount}",
        SummaryColumns = new ObservableCollection<ISummaryColumn>()
        {
            new GridSummaryColumn()
            {
                Name="ProductCount",
                MappingName="ProductName",
                SummaryType=SummaryType.CountAggregate,
                Format="{Count:d}"
            },
        }
    });

SummaryType

Gets or sets the aggregate type for summary calculation.

Declaration
SummaryType SummaryType { get; set; }
Property Value
Type Description
SummaryType

One of the SummaryType enumeration to specifies aggregate type for summary calculation. The default value is CountAggregate.

Extension Methods