Opening a form with detail information

Hi all,

i have create a matrix contain all Draft is Open and i make double click event on row to view detail form.

If omatrix.IsRowSelected(i) = True Then
                            Dim Docnum As Integer = omatrix.Columns.Item(1).Cells.Item(pVal.Row).Specific.value
                            Dim Doctype As String = omatrix.Columns.Item(2).Cells.Item(pVal.Row).Specific.value
                            Select Case Doctype
                                Case "Sale Order"
                                    'open Sales order Form on Docnum with detail information
                                Case "Delivery"
                                    'open Delivery Form on Docnum with detail information
                            End Select
                        End If

+ please show me how to open exactly form which i want to open

+ how to format an column in matrix is currency.

+ how to make total in the end of column.

Sympathize for my English.

Thanks.