For-Next Looping in Excel VBA
Microsoft Office Training
Excel Training
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• For next looping works by using a counter
variable. The counter states the number of
times a specific piece of code should be
repeated.
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• The following macro produces a random
number between 1 and 100. The code
includes a counter which will run the code 100
times offsetting each value by one row – in
other words creating the values down a
column.
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Sub CountExample()
Dim Counter As Integer
For Counter = 1 To 100
ActiveCell.Value = Int (Rnd*100)
ActiveCell.Offset(1, 0).Select
Next Counter
End Sub
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• A step value can be included in a For-Next
Loop. The step value determines how the
counter is incremented. Change the active
cell value to Counter to see the increment
more clearly
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Sub CountExample()
Dim Counter As Integer
For Counter = 1 To 100 Step 5
ActiveCell.Value = Counter
ActiveCell.Offset(1, 0).Select
Next Counter
End Sub
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• The macro might be more useful if the user
can give their own counter and step values.
We will introduce a couple of input boxes for
this purpose:
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Sub CountExample2()
Dim Counter As Integer
Dim ToNum As Integer
Dim StepNum As Integer
ToNum = InputBox("What maximum value do you want?")
StepNum = InputBox("What increment do you want?")
For Counter = 1 To ToNum Step StepNum
ActiveCell.Value = Counter
ActiveCell.Offset(1, 0).Select
Next Counter
End Sub
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• See this Excel training tutorial on the Blue
Pecan website
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