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How do I Execute a Conditional Loop

Posted on 2011-10-25
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Last Modified: 2012-06-27
I'm using code to read a column of data records out of an Excel file and I want to restart the beginning of a loop when I hit the end of the column, which is indicated with the value 99.

When I put in this code:
If lngCurrentTeamID = 99 Then
         Loop
End if

It throws an error. Obviously entering the Loop command in inside the If/Then loop confuses the code. The entire code segment is attached. When I hit the 99 in the column, I want to jump back to the top of the loop. How would I do that?

Thanks.
Do Until boolEOF = False
            With objExcel
                lngCurrentPublicationID = .Cells(intDataRow, intDataColumn)
                If lngCurrentPublicationID = 99 Then
                    boolEOF = False
                    Exit Do
                End If
                intDataRow = 1
                intDataColumn = 3
                lngCurrentTeamID = .Cells(intDataRow, intDataColumn)
            End With
            

        strSQL = "SELECT Sum(RevenueRecords.Revenue) AS SumOfRevenue, Issues.IssueClosed " & _
            " FROM ((Issues INNER JOIN Publications ON Issues.PublicationID = Publications.PublicationID) " & _
            " INNER JOIN RevenueRecords ON Issues.IssueID = RevenueRecords.IssueID) INNER JOIN " & _
            " (SalesReps INNER JOIN SalesTeams ON SalesReps.TeamID = SalesTeams.TeamID) ON " & _
            " RevenueRecords.SalesRepID = SalesReps.RepID GROUP BY Publications.PublicationID, SalesTeams.TeamID, Issues.IssueClosed " & _
            " HAVING Publications.PublicationID = " & lngCurrentPublicationID & " AND SalesTeams.TeamID = " & lngCurrentTeamID & _
            " AND Issues.IssueClosed = False"
Loop

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Question by:Buck_Beasom
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Expert Comment

by:käµfm³d 👽
ID: 37024853
Use Continue Do, not Loop. Use Loop for the end of the loop.
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Author Comment

by:Buck_Beasom
ID: 37024869
So that will restart the loop?

Thanks!
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Accepted Solution

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käµfm³d   👽 earned 2000 total points
ID: 37024903
It will go back to the beginning of the loop, yes. This is, of course, if you condition has not changed. If the boolean that controls the loop changes state, then your loop will end. This should be expected, though.

Let me clarify that this will not cause your code to go back to a state similar to if the loop had never run. It will just cause your code to jump back to the beginning of the loop logic and skip anything that comes after it. If you are familiar with assembly (don't sweat it if you're not), this is basically a jump back to the start of the loop. No application state is changed other than what the next instruction to execute is.
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Author Closing Comment

by:Buck_Beasom
ID: 37027259
This was exactly what I was looking for.

Thanks!
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LVL 75

Expert Comment

by:käµfm³d 👽
ID: 37027722
NP. Glad to help  = )
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