CalculateKey Method

Calculates the key of the DataRow to determine if it is to be added to this group.

Syntax

Visual Basic
C#

'Declaration
 
Protected Friend Overridable Function CalculateKey( _
   ByVal dataRow As DataRow _
) As Object

'Usage
 
Dim instance As Group
Dim dataRow As DataRow
Dim value As Object
 
value = instance.CalculateKey(dataRow)

protected internal virtual object CalculateKey( 
   DataRow dataRow
)

Parameters

dataRow: A reference to a DataRow object representing the data row whose k ey is to be calculated.

Return Value

An object representing the group's key.

Remarks

The QueryGroupKeys event can also be used to provide custom grouping criteria.

Requirements

Target Platforms: Windows 7, 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

Reference

Group Class
Group Members