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09.14.2008 at 03:43AM PDT, ID: 23729870
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8.2

Macro to delete duplic cells, running way to slow, better method?

Asked by TylerWebD in Microsoft Excel Spreadsheet Software, Access Coding/Macros, VB Objects

Tags: , ,

OK  I have a excel document were I keep a lot of data.

I have sheet2 with all the old data (multiple columns down to row 300) and sheet1 where I dump the new data (typical col A down to row 300)

I need the macro to check sheet1 for duplicate information that is in sheet2, and if the same cell is on sheet2 it gets deleted from sheet1

I am using the code below but it takes WAY to long, even on my new computer.

*Each cell contains about 10 charaters

Any help would be appreciated.

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Sub DelDups_TwoLists()
Dim iListCount As Integer
Dim iCtr As Integer
 
' Turn off screen updating to speed up macro.
Application.ScreenUpdating = False
 
' Get count of records to search through (list that will be deleted).
iListCount = Sheets("sheet1").Range("A1:A100").Count
 
' Loop through the "master" list.
For Each x In Sheets("Sheet2").Range("A1:E300")
   ' Loop through all records in the second list.
   For iCtr = 1 To iListCount
      ' Do comparison of next record.
      ' To specify a different column, change 1 to the column number.
      If x.Value = Sheets("Sheet1").Cells(iCtr, 1).Value Then
         ' If match is true then delete row.
         Sheets("Sheet1").Cells(iCtr, 1).Delete xlShiftUp
         ' Increment counter to account for deleted row.
         iCtr = iCtr + 1
      End If
   Next iCtr
Next
Application.ScreenUpdating = True
MsgBox "Done!"
End Sub
[+][-]09.14.2008 at 03:59AM PDT, ID: 22471830

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About this solution

Zones: Microsoft Excel Spreadsheet Software, Access Coding/Macros, VB Objects
Tags: Microsoft, Excel, 2007
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Solution Provided By: saurabh726
Participating Experts: 1
Solution Grade: A
 
 
 
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