Validation Class

public class Validation

Public Class Validation

public ref class Validation

type Validation =  class end

[C#]
Workbook workbook = new Workbook();
   ValidationCollection validations = workbook.Worksheets[0].Validations;
   Validation validation = validations[validations.Add()];
   validation.Type = Aspose.Cells.ValidationType.WholeNumber;
   validation.Operator = OperatorType.Between;
   validation.Formula1 = "3";
   validation.Formula2 = "1234";

   CellArea area;
   area.StartRow = 0;
   area.EndRow = 1;
   area.StartColumn = 0;
   area.EndColumn = 1;

   validation.AddArea(area);

   [Visual Basic]
   Dim workbook as Workbook = new Workbook()
   Dim validations as ValidationCollection  = workbook.Worksheets(0).Validations
   Dim validation as Validation = validations(validations.Add())
   validation.Type = ValidationType.WholeNumber
   validation.Operator = OperatorType.Between
   validation.Formula1 = "3"
   validation.Formula2 = "1234"

   Dim area as CellArea
   area.StartRow = 0
   area.EndRow = 1
   area.StartColumn = 0
   area.EndColumn = 1

   validation.AddArea(area)