Hi All,

I am so stuck....

I am using the following code to copy a single row from "Sheet1" of the
"Copreco Daily Submission" workbook, to the next available row of the "Daily
Reading Master Log", of the "Copreco Master Log" workbook.

Everything works perfectly well.

Problem:
I want to add some code (and I don't know where) that makes sure the
'Reading Date' in the row of data in "Sheet1", doesn't match any reading
dates in the 'Daily Reading Master Log'. If there is a match, cancel the
procedure, otherwises, insert the new reading row as per normal.

Additional information:
Sheet1, 'Reading Date' is in column A, Row 2 - Always
'Reading Date' in Daily Reading Mater Log, is in column B

Any assistance would really be appreciated.

Many thanks,

'code -------------------------------------------

Sub CopyFromCoprecoReading()
'these have to do with THIS workbook
'name of the sheet to get data from
Const destSheet = "Daily Reading Master Log" ' in HQ master workbook
'****
'This is the name you want to give to the
'NEW workbook created each time to put new data
'into as set up this code will overwrite any
'existing file of this name without any warning.
Const newWorkbookName = "Copreco Daily Reading Submission.xls"
Const sourceSheet = "Sheet1"
'****
Dim sourceBook As String
Dim destBook As String
Dim maxLastRow As Long
Dim destLastRow As Long
Dim pathToUserDesktop As String
Dim filePath As Variant
Dim MLC As Integer ' loop counter
Dim myErrMsg As String

'this is the setup to 'map' cells from the
'Copreco Reading.xls file sheet to different
'columns in the HQ master workbook worksheet
'
'Declare an array to hold the pairs
'change the 10 to the actual number
'of cells that are to be copied
Dim Map() As String
'array elements Map(1,n) will hold
'the source column ID from Copreco Reading
'array elements Map(2,n) will hold
'the column they are to be copied to in
'the master workbook

'determine last possible row number
'based on version of Excel in use
maxLastRow = GetMaxLastRow()
'
'determine how many elements we need in the array
'
'borrow destLastRow for a moment
destLastRow = Worksheets("ColumnsMap").Range("B" &
maxLastRow).End(xlUp).Row
ReDim Map(1 To 2, 1 To (destLastRow - 3)) ' presumes row 4 has 1st entry
For MLC = LBound(Map, 2) To UBound(Map, 2)
If IsError(Worksheets("ColumnsMap").Range("B" & (MLC + 3))) Then
Map(1, MLC) = "#NA" ' to flag as problem later
Else
'seems good to go
Map(1, MLC) = Trim(Worksheets("ColumnsMap").Range("B" & (MLC +
3)))
End If
If IsError(Worksheets("ColumnsMap").Range("E" & (MLC + 3))) Then
Map(2, MLC) = "#NA" ' to flag as problem later
Else
Map(2, MLC) = Trim(Worksheets("ColumnsMap").Range("E" & (MLC +
3)))
End If
Next
'keeps screen from flickering
'speeds things up also
Application.ScreenUpdating = False
destBook = ThisWorkbook.Name
'build up the path to the user's desktop
'based on standard paths and Windows standards
'path is normally
' C:\Documents and Settings\username\Desktop
'our task is to determine the 'username' portion
'which is the Windows username (login name) which
'may be different than the Excel UserName
pathToUserDesktop = "C:\Documents and Settings\" & _
Get_Win_User_Name() & "\Desktop\" & newWorkbookName
'
'see if that workbook is where it is supposed to be
'
sourceBook = Dir$(pathToUserDesktop)
If sourceBook = "" Then
'it's not on the desktop
'have the user browse for it
filePath = Application.GetSaveAsFilename
If filePath = False Then
Exit Sub ' user cancelled
End If
pathToUserDesktop = filePath
End If
' open the 'Copreco Reading.xls' file
Workbooks.Open pathToUserDesktop
sourceBook = ActiveWorkbook.Name
Windows(sourceBook).Activate
Worksheets(sourceSheet).Activate
'get back over to this workbook
Windows(destBook).Activate
'to sheet to add data to
Worksheets(destSheet).Activate
'find out what row is available
destLastRow = 0
For MLC = LBound(Map, 2) To UBound(Map, 2)
If Map(2, MLC) < "#NA" Then
If Range(Map(2, MLC) & maxLastRow).End(xlUp).Row + 1
destLastRow Then
destLastRow = Range(Map(2, MLC) & maxLastRow).End(xlUp).Row
+ 1
End If
End If
Next
If destLastRow maxLastRow Then
MsgBox "No room in HQ Master Sheet to add entry. Aborting
operation.", _
vbOKOnly + vbCritical, "No Room on Sheet"
Exit Sub
ElseIf destLastRow = 0 Then
'could not come up with a valid column id for this workbook!
myErrMsg = "A rather serious problem has occured - cannot find
column references for "
myErrMsg = myErrMsg & "the Daily Reading Master Log sheet." & vbCrLf
myErrMsg = myErrMsg & "Data cannot be transferred. Please send a
copy of BOTH "
myErrMsg = myErrMsg & "workbooks (this one and the 'Copreco
Reading.xls' file to:" & vbCrLf
myErrMsg = myErrMsg & "
MsgBox myErrMsg, vbOKOnly + vbCritical, "Column ID Error - Aborting!"
Exit Sub
End If


'copy the data from Copreco Reading.xls to the HQ master book
For MLC = LBound(Map, 2) To UBound(Map, 2)
'this watches out for #NA entries in the array of column letters
If Map(1, MLC) < "#NA" And Map(2, MLC) < "#NA" Then
Workbooks(destBook).Worksheets(destSheet).Range(Ma p(2, MLC) &
destLastRow).Value = _
Workbooks(sourceBook).Worksheets(sourceSheet).Rang e(Map(1, MLC)
& 2).Value
End If
Next
Application.DisplayAlerts = False
'close the 'Copreco Reading.xls' file
'w/o saving any changes
Workbooks(sourceBook).Close False
Application.DisplayAlerts = True
'done
Application.ScreenUpdating = True
End Sub




--
Carlee