AddLevel<T>(HierarchyDescriptor<T>,Expression<Func<T,Object>>,String,Expression<Func<T,Object>>) Method

Adds new HierarchyLevelDescriptor to existing HierarchyDescriptor<T>.

Syntax

Visual Basic

'Declaration
 
Public Overloads Shared Sub AddLevel(Of T)( _
   ByVal hierarhyDescriptor As HierarchyDescriptor(Of T), _
   ByVal expr As Expression(Of Func(Of T,Object)), _
   ByVal levelName As String, _
   ByVal userDataExpr As Expression(Of Func(Of T,Object)) _
) 

C#

public static void AddLevel<T>( 
   HierarchyDescriptor<T> hierarhyDescriptor,
   Expression<Func<T,object>> expr,
   string levelName,
   Expression<Func<T,object>> userDataExpr
)

Parameters

hierarhyDescriptor

The HierarchyDescriptor<T> where this level is added to.

expr

System.Linq.Expressions.LambdaExpression that describes the data resolving path.

levelName

The name used for this new level.

userDataExpr

The System.Linq.Expressions.LambdaExpression that describes the path used when the additional user data is resolved. This data is added to Infragistics.Olap.Data.Base.Member.Tag property.

Type Parameters

T

The type of the items passed to FlatDataSource.ItemsSource.

Requirements

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