Class DistinctCountSummary

Provides distinct count of a field and a vector with all distinct values of the field.

Inheritance
System.Object
SummaryBase
VectorSummary
DistinctCountSummary
Inherited Members
System.Object.Equals(System.Object)
System.Object.Equals(System.Object, System.Object)
System.Object.GetHashCode()
System.Object.GetType()
System.Object.MemberwiseClone()
System.Object.ReferenceEquals(System.Object, System.Object)
Namespace: Syncfusion.Grouping
Assembly: Syncfusion.Grouping.Base.dll
Syntax
public sealed class DistinctCountSummary : VectorSummary, ITreeTableSummary, ICountAggregate

Constructors

DistinctCountSummary(Object[], Int32)

Initializes a new instance of DistinctCountSummary class with the specified values.

Declaration
public DistinctCountSummary(object[] values, int length)
Parameters
Type Name Description
System.Object[] values

Object array that contains summary values.
System.Int32 length

Number of values.

Fields

Empty

The initial summary object for empty records or tables.

Declaration
public static readonly DistinctCountSummary Empty
Field Value
Type
DistinctCountSummary

Methods

Combine(DistinctCountSummary)

Combines the values of this summary with another summary and returns a new summary object.

Declaration
public DistinctCountSummary Combine(DistinctCountSummary other)
Parameters
Type Name Description
DistinctCountSummary other

Another summary object (of the same type).
Returns
Type Description
DistinctCountSummary

A new summary object with combined values of both summaries.

Combine(SummaryBase)

Combines the values of this summary with another summary and returns a new summary object.

Declaration
public override SummaryBase Combine(SummaryBase other)
Parameters
Type Name Description
SummaryBase other

Another summary object.
Returns
Type Description
SummaryBase

A new summary object with combined values of both summaries.
Overrides

CreatePageSummaryMethod(SummaryDescriptor, Record)

Used to interface with the page summary.

Declaration
public static ITreeTableSummary CreatePageSummaryMethod(SummaryDescriptor sd, Record record)
Parameters
Type Name Description
SummaryDescriptor sd

Summary descriptor.
Record record

Record values.
Returns
Type Description
ITreeTableSummary

An instance of the DistinctCountSummary class.

CreateSummaryMethod(SummaryDescriptor, Record)

Creates a summary object for the specified SummaryDescriptor and Record.

Declaration
public static ITreeTableSummary CreateSummaryMethod(SummaryDescriptor sd, Record record)
Parameters
Type Name Description
SummaryDescriptor sd

The summary descriptor.
Record record

The record with data.
Returns
Type Description
ITreeTableSummary

A new summary object.

Implements