CountFunction Constructor(String,String,Boolean)

Initializes a new instance of the CountFunction class specifying the result and source property name as well as indicating whether null (Nothing in Visual Basic) and DBNull values are to be counted.

Syntax

Visual Basic
C#

'Declaration
 
Public Function New( _
   ByVal resultPropertyName As String, _
   ByVal sourcePropertyName As String, _
   ByVal includeNullValues As Boolean _
)

'Usage
 
Dim resultPropertyName As String
Dim sourcePropertyName As String
Dim includeNullValues As Boolean
 
Dim instance As New CountFunction(resultPropertyName, sourcePropertyName, includeNullValues)

public CountFunction( 
   string resultPropertyName,
   string sourcePropertyName,
   bool includeNullValues
)

Parameters

resultPropertyName: A string representing the unique, case-sensitive property name from which the result of the statistical function can be retrieved. Cannot be a null reference (Nothing in Visual Basic) or empty.
sourcePropertyName: A string representing the name of the column whose values are to be used to calculate the result of the statistical function. Cannot by a null reference (Nothing in Visual Basic) or empty.
includeNullValues: true if null (Nothing in Visual Basic) and DBNull values are to be counted; false otherwise.

Requirements

Target Platforms: Windows 7, Windows Vista, Windows XP SP3, Windows Server 2008 family

Reference

CountFunction Class
CountFunction Members
Overload List