'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.

.NET: net5.0, net5.0-windows, net6.0, net6.0-macos, net6.0-windows, net7.0, net7.0-macos, net7.0-windows, net8.0, net8.0-browser, net8.0-macos, net8.0-windows, net9.0, net9.0-browser, net9.0-macos, net9.0-windows, net10.0, net10.0-browser, net10.0-macos, net10.0-windows.

.NET Framework: net40, net403, net45, net451, net452, net46, net461, net462, net463, net47, net471, net472, net48, net481.

Reference

CountFunction Class
CountFunction Members
Overload List