System.Object
   C1.Web.Mvc.Component
      C1.Web.Mvc.Control
         C1.Web.Mvc.ItemsBoundControl<T>
            C1.Web.Mvc.FlexGridBase<T>
               C1.Web.Mvc.Sheet.FlexSheet
      C1.Web.Mvc.Extender
         C1.Web.Mvc.Sheet.FormulaBar
   C1.Web.Mvc.ModelBinderBase
      C1.Web.Mvc.Sheet.FlexSheetRequestModelBinder
   C1.Web.Mvc.OperationResult
      C1.Web.Mvc.Sheet.FlexSheetLoadResponse
      C1.Web.Mvc.Sheet.FlexSheetSaveResponse
   C1.Web.Mvc.Sheet.Border
   C1.Web.Mvc.Sheet.BorderCollection
   C1.Web.Mvc.Sheet.Cell
   C1.Web.Mvc.Sheet.CellPosition
   C1.Web.Mvc.Sheet.Column
   C1.Web.Mvc.Sheet.Fill
   C1.Web.Mvc.Sheet.FlexSheetHelper
   C1.Web.Mvc.Sheet.FlexSheetSaveRequest
   C1.Web.Mvc.Sheet.Font
   C1.Web.Mvc.Sheet.FrozenPane
   C1.Web.Mvc.Sheet.Range
   C1.Web.Mvc.Sheet.Row
   C1.Web.Mvc.Sheet.Sheet
      C1.Web.Mvc.Sheet.BoundSheet<T>
      C1.Web.Mvc.Sheet.UnboundSheet
   C1.Web.Mvc.Sheet.Style
   C1.Web.Mvc.Sheet.Workbook
   C1.Web.Mvc.Sheet.Worksheet
   System.Attribute
      System.Web.Mvc.CustomModelBinderAttribute
         C1.Web.Mvc.Sheet.FlexSheetRequestAttribute

Reference

C1.Web.Mvc.FlexSheet Assembly