How can i save image in my N-tier application?

See more:

C#

VB

Windows

.NET

WinForms

.NET4

, +

'In DA_Company'

Function Company_Save(ByVal M_Model_DA As Model.M_Company) As String
       Try
           connection_enable()
           cmd = New SqlCommand()
           cmd.CommandText = "SP_HR_Company_Insert"
           cmd.Connection = con
           cmd.CommandType = CommandType.StoredProcedure
           cmd.Parameters.Add("@Company_Logo", SqlDbType.Image).Value = M_Model_DA.Company_Logo
           err_message = cmd.ExecuteNonQuery()
       Catch ex As Exception
           err_message = ex.ToString()
       End Try
       Return err_message
   End Function

'In BL_Company'

Function Company_Save(ByVal M_Company_BL As Model.M_Company) As String
      Try
          DA_Company = New DataAccess.DA_Company()
          error_message = DA_Company.Company_Save(M_Company_BL)
      Catch ex As Exception
          error_message = ex.ToString()
      End Try
      Return error_message
  End Function

'In M_Company'

Public Property Company_Logo() As Byte
       Get
           Return Me.CompanyLogo
       End Get
       Set(ByVal value As Byte)
           Me.CompanyLogo = value
       End Set
   End Property

'In Frm_Company'

Private Sub Company_Save()
      Try
          BL_Company = New BusinessLogic.BL_Company()
          M_Comapny = New Model.M_Company()
          M_Comapny.Company_Logo = Convert.ToByte(browseCompanyLogo.Value)
          error_message = BL_Company.Company_Save(M_Comapny)

          If error_message > 0 Then
              MessageBox.Show("Complete Save")
              Company_GridView_FillData()
          End If
      Catch ex As Exception
          MessageBox.Show(ex.Message.ToString())
      End Try

 Private Sub btnSave_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnSave.Click
        
Company_Save()

    End Sub

But It Shows Input Stream was not in a correct format . Why ? please !