Paul, Another way to limit this is with named ranges. For one client I
developed a macro that looked at certain criteria and created the named ranges
which limited the vlookups to small blocks.
Don Guillett
SalesAid Software
dguille...@gmail.com
From: Paul Schreiner
Sent: Wednesday, January 04, 2012 8:45 AM
To: excel-macros@googlegroups.com
Subject: Re: $$Excel-Macros$$ Fwd: V lookup using macros
I know this doesn't necessarily address your specific problem, but I have a
recommendation for you.
If your files are 4Mb+, then that implies thtat you have a lot of rows.
in which case, vLookups can be time consuming.
I have sample data of 100,000 rows.
and the lookup sheet has 80,000 rows.
using Vlookup to retrieve relevent data takes approximately 7-8 minutes on my
workstation (using Excel 2010).
But, if I utilize a Dictionary Object to store the relevent data, then look in
the Dictionary for the lookup data, it takes 12 seconds.
Here is are the macros I threw together.
It also has the benefit of never CREATING #N/A values that later have to be
removed.
(of course, this macro goes into a "standard" module rather than a "sheet"
module since it moves between sheets.)
hope this helps.
Option Explicit
Public Dict_Records
Sub Flag_Processed()
Dim R, nRows, rcnt, msg
Dim tStart, tStop, TElapsed, TMin, TSec
tStart = Timer
Application.ScreenUpdating = False
'---------------------------
rcnt = Load_Dict
If Dict_Records.Count > 0 Then
nRows = Application.WorksheetFunction.CountA(Sheets("Validation Not
Done").Range("A1:A200000"))
For R = 2 To nRows
If (Dict_Records.exists(Sheets("Validation Not Done").Cells(R,
"A").Value)) Then
Sheets("Validation Not Done").Cells(R, "B").Value =
Dict_Records.Item(Sheets("Validation Not Done").Cells(R, "A").Value)
End If
Next R
End If
Application.ScreenUpdating = True
'---------------------------
tStop = Timer
TElapsed = tStop - tStart
TMin = 0
TMin = TElapsed \ 60
TSec = TElapsed Mod 60
msg = "Flag_Processed:" & Chr(13) & Chr(13)
If (TMin > 0) Then msg = msg & TMin & " mins "
msg = msg & TSec & " sec"
MsgBox msg
'---------------------------
End Sub
Function Load_Dict()
Dim R, nRows
Set Dict_Records = CreateObject("Scripting.Dictionary")
Dict_Records.RemoveAll
nRows =
Application.WorksheetFunction.CountA(Sheets("Processed").Range("A1:A200000"))
For R = 2 To nRows
If (Not Dict_Records.exists(Sheets("Processed").Cells(R, "A").Value))
Then
Dict_Records.Add Sheets("Processed").Cells(R, "A").Value,
Sheets("Processed").Cells(R, "B").Value
End If
Next R
Load_Dict = Dict_Records.Count
End Function
Paul
-----------------------------------------
“Do all the good you can,
By all the means you can,
In all the ways you can,
In all the places you can,
At all the times you can,
To all the people you can,
As long as ever you can.” - John Wesley
-----------------------------------------
--------------------------------------------------------------------------------
From: nitin arora <nitinaror...@gmail.com>
To: excel-macros@googlegroups.com
Sent: Wed, January 4, 2012 8:19:54 AM
Subject: Re: $$Excel-Macros$$ Fwd: V lookup using macros
Hi Noorain,
I am extremely sorry for the mistake. However all the files that I have are of
more than 4 mb in size and gmail is not allowing me to send more than 4 mb of
data. I am pasting the codes for macro 3 used in the sheet . Please let me know
if there is any other way by which i can upload the file in the group. Many
Thanks.
This macro compares Transaction ID's in Sheet 1 with transaction ID's in
Processed sheet and inserts researcher NAmes wherever the Transaction ID's
match. Nest it deletes all the "N/A" in Researcher name column and then selects
a filter for the date (mostly yesterday's date- added manually in Macro 3). if
it finds that date which is manually added then it works fine but if it does
not finds a date then it stops. I want a solution for this problem only that it
should still continue even if it does not find a date and should move to next
macro.
Codes:
Sub Macro3()
'
' Macro3 Macro
'
ActiveSheet.ShowAllData
ActiveSheet.Range("$A$1:$X$15000").AutoFilter Field:=2, Criteria1:="<>"
Columns("B:B").Select
Selection.ClearContents
Range("C5").Select
ActiveSheet.ShowAllData
' Range("B2").Select
'ActiveCell.FormulaR1C1 = "=VLOOKUP(RC[-1],Processed!C[-1]:C,2,FALSE)"
'Selection.AutoFill Destination:=Range("B2:B15000")
Range("B2:B15000").Select
Range("B2").Value = "=VLOOKUP(A2,Processed!A:C,3,FALSE)"
Selection.FillDown
ActiveSheet.Range("$A$1:$V$15000").AutoFilter Field:=2, Criteria1:="#N/A"
Range("B2").Select
Range(Selection, Selection.End(xlDown)).Select
Selection.ClearContents
ActiveSheet.ShowAllData
'If Range("B2").Value Is Not Null Then
ActiveSheet.Range("$A$1:$X$15000").AutoFilter Field:=2, Criteria1:="<>",
Operator:=xlFilterValues
'ActiveWindow.ScrollColumn = 2
'ActiveWindow.ScrollColumn = 3
'ActiveWindow.ScrollColumn = 4
' ActiveWindow.ScrollColumn = 5
' ActiveWindow.ScrollColumn = 6
'ActiveWindow.ScrollColumn = 7
ActiveSheet.Range("$A$1:$X$15000").AutoFilter Field:=18, Operator:= _
xlFilterValues, Criteria2:=Array(2, "12/30/2011")
ActiveWindow.ScrollColumn = 6
ActiveWindow.ScrollColumn = 5
ActiveWindow.ScrollColumn = 4
ActiveWindow.ScrollColumn = 3
ActiveWindow.ScrollColumn = 2
ActiveWindow.ScrollColumn = 1
Range("B2:B15000").Select
Selection.ClearContents
'Range("C269").Select
ActiveSheet.ShowAllData
ActiveSheet.Range("$A$1:$X$15000").AutoFilter Field:=2, Criteria1:="<>",
Operator:=xlFilterValues
ActiveWindow.ScrollColumn = 2
ActiveWindow.ScrollColumn = 3
ActiveWindow.ScrollColumn = 4
ActiveWindow.ScrollColumn = 5
ActiveWindow.ScrollColumn = 6
ActiveWindow.ScrollColumn = 7
ActiveWindow.ScrollColumn = 8
ActiveWindow.ScrollColumn = 9
ActiveWindow.ScrollColumn = 8
ActiveWindow.ScrollColumn = 7
ActiveWindow.ScrollColumn = 6
ActiveWindow.ScrollColumn = 5
ActiveWindow.ScrollColumn = 4
ActiveWindow.ScrollColumn = 3
ActiveWindow.ScrollColumn = 2
ActiveWindow.ScrollColumn = 1
Cells.Select
Selection.Copy
Sheets("Validation Not Done").Select
'Sheets("Sheet1").Name = "Validation Not Done"
Cells.Select
ActiveSheet.Paste
End Sub
On Wed, Jan 4, 2012 at 4:48 PM, NOORAIN ANSARI <noorain.ans...@gmail.com> wrote:
Dear Nitin,
Attached File is in protected mod, we are unable to view Macro 3
On Wed, Jan 4, 2012 at 11:00 AM, nitin arora <nitinaror...@gmail.com> wrote:
Hi,
I am facing a problem with Macro 3 in the sheets attached. At times the
macro woks fine and at times it does not. The reason for the same is that when
it does not find the date mentioned in Macro 3 it does not works fine. I was
wondering if there is any way that the macro asks for a date to compare and if
it does not finds that date then it should skip the step and proceed to next
macro in call all macro.
If you look at the sheet attached macro was unable to find date "1/3/2012"
against researcher name.
relevant extract:
Jan 4 file:
ActiveSheet.Range("$A$1:$X$15000").AutoFilter Field:=18, Operator:= _
xlFilterValues, Criteria2:=Array(2, "1/3/2012")
Please let me know if you want any further details. It would be great help
if I can get the solution for the same.
Regards,
Nitin Arora
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Noorain Ansari
http://excelmacroworld.blogspot.com/
http://noorain-ansari.blogspot.com/
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