Optimize Slow Conditional Formatting Code

Jan 23, 2008

I am having a little trouble with this code, which runs in my simple but efective ressource overview. It loops through a rather large range and assigns interior colour to the cells based on certain criteria. On my stationary machine (Excel 2003) it takes approximately 15-30 seconds to run the code which is acceptable. On my laptop (Excel 2007) it takes 5+ minutes which is unacceptable. Is there a workaround so as to optimize the speed? Further, when I run this workbook on Excel 2007, even entering an integer in the sheet takes 3-4 seconds, and no code is running! In my first version I used a Change_Event to colour cells on the fly but this was slow and prevented multible cell editing as well as pasting values into the appropriate range.

Public Sub Farvelade()
Dim icolor, Navn As Integer
Dim TargetRow, LastRow, Previous As Long
Dim Target As Range
MsgBox "Det kan tage 15-30 sekunder at opdatere ressourcekalenderen"
Range("A5").Activate
Range("A5"). CurrentRegion.Select
'Set range
ActiveCell.Offset(Selection.Rows.Count, 0).Activate
LastRow = Cells(Cells.Rows.Count, "A").End(xlUp).Row.....................

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Optimize Slow Code And Avoid Copy To Clipboard?

Oct 7, 2013

this code to minimize it and avoid copy to clipboard.

VB:
Sub SapOutputRun()
Application.EnableEvents = False
Application.ScreenUpdating = False

[Code].....

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Jan 28, 2011

I have an excel file which consist of 12 sheets. The main sheet contain columns from A to EL and 556 rows.

At the moment, i have data on from column A to AI (we will add more data day by day). All data in main sheet are linking to another 4 sheets which basically using IF, VLOOKUP, and Conditional Formatting. My file originally was only 4.6MB in size.

However, after adding the formula (IF & Vlookup) and conditional formatting to the fourth sheet (number of columns is from A to BZ) then the file size increased from 4.6MB to 13.7MB.

My excel file also became very slow and i need to take off the Automatically Calculation option.

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Aug 30, 2006

Im setting up a spreadsheet that does engineering calculations. Im using macros to run sizes from a standard schedule. It basically takes the values from one sheet (schedule) to another (calculation), then the result from the calculation sheet (Value only, not the link) is pasted back into the schedule. The macro seems very bulky and im sure that it can be made more efficient with a loop. here is a sample of the code from the macro;

Sheets("Calc sheet").Select
Range("C6").Select
ActiveCell.FormulaR1C1 = "=Schedule!R[1]C"
Range("C7").Select
ActiveCell.FormulaR1C1 = "=Schedule!RC[1]"
Range("C8").Select
ActiveCell.FormulaR1C1 = "=Schedule!R[-1]C[2]"
Range("C9").Select
Sheets("Schedule").Select
Range("G7").Select..................

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Apr 6, 2013

I have two worksheets. ws1 contains a large number of dates on column 3. ws3 contains around 20 dates on column 3.

I want to pick two dates randomly in ws1 that does not already exist in ws3.

Here is my working code, but it is really slow to process. How to optimize this code? Also I would like to add a function where if the macro is not able to find two random dates that aren't already in ws3 then exit loop.

VB:
Set ws1 = thisworkbook.sheets(1)
Set ws3 = thisworkbook.sheets(3)

lr = ws2.Cells.Find(What:="*", After:=[A1], SearchDirection:=xlPrevious).Row
Set rvis = ws2.Range("c2:c" & lr).SpecialCells(xlCellTypeVisible)
mynodate = 0

[Code] .....

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Jun 30, 2006

Using conditional formatting, I set the font color to Green for Cell G12
=IF( SUM(G12) > C28,SUM(G12),""). This worked. However I needed 6 conditions for this formatting. Excel only allows for 3 conditions. My VBA code is not working. Can someone tell me the correct code?

For cells "G12,O12,G23,O23" I want the font colors to change if their value is
1. greater than or equal to Cell C28 (change to green font)
2. greater than or equal to Cell C29 (change to orange font)
3. greater than or equal to Cell C30 (change to brown font)
4. greater than or equal to Cell D28 (change to green font)
5. greater than or equal to Cell D29 (change to orange font)
6. greater than or equal to Cell D30 (change to brown font)

It is set so that if a value is enter in C28, D28 will have a zero value. Can only use one or the other. Likewise if C29 has a value, D29 will be zero and cannot be used.

The code I used was:.............

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Apr 29, 2014

Please refer to attached file.

I have data in cell B2:K11

Each cell consist of 12 digits with 1 and 0.

I need to see if digit 1 can have one color font (yellow) and 0 can have other color font (light Orange).

(Either VB Code or Formula would work for me).

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Mar 20, 2009

I have a workbook that requires a VB code to help me out with Conditional Formatting. I use Office 2003 which is restricted to 3 conditions, I know there is an add in I can use that would help me do this but other people may use this that wont have the add in. I have decided to use VB if possible to get this done.

I have a range of cells from B22 – T22 in these cells I will be putting codes, when these codes are put into the cells I would like the cells to shade a different colour depending on what code I use. Here is an example of what I mean.

P = blue

S = red

HL = green

ML = magenta

FL = orange

I may have a couple of more codes I will add at a latter time. Is it possible for VB code to do this?

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Add Conditional Formatting Criteria With Code

Jul 18, 2007

I recorded some code and cleaned it up to apply a conditional format

Sub condi_format_I()
Dim wbBook As Workbook
Dim ws As Worksheet
Dim rng As Range

Set wbBook = ThisWorkbook
Set ws = wbBook.Worksheets("Summary")
Set rng = ws.Range("C4:P52")

With rng
.FormatConditions.Delete
.FormatConditions.Add xlExpression, Formula1:="=C4<0"
.FormatConditions(1).Interior.ColorIndex = 45
End With

End Sub

I would like to apply a custom color index to all cells in range C4:P52 if the value is less than zero.

But when I execute the macro, many cells receive the custom format that do notr match the custom format. Other cells that should receive the custom format do not

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Mar 19, 2009

In B16:T24 I have cells that need shading depending on what code I put in them. I have 5 codes P, BH, S, ML, HD

I would like the cells to change colour, when I put P in them I want them to change to blue, when I put BH in them I want them to change to green, S I want to change to red and so on.

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Jul 3, 2008

Is there a way to look at a cell's own value and then format it accordingly using VB?

I have a cell whose value changes based on DDE link to live price data.
Cell is "Q5".

When the new value is greater than the old value - i want to format the pattern color of the cell.

When the new value is less than the old value - i want to format the pattern color of the cell.

Does anyone know how to do this please or is there a way to do this using spreadsheet formulas as oppose to VB?

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Dec 11, 2006

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Jun 12, 2008

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Nov 20, 2013

In the attached example, you will find column C which has a bunch of qualitative results. Also, in the file or worksheets, you will find Table A which has a color code range.

I would like to have a conditional format down column C that will reference Table A, regardless if it's on in the same worksheet or on another worksheet within the same file?

Using Excel 2013

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Nov 5, 2008

I am trying to add something to a spreadsheet. I want to do some Conditional Formatting but I am not certain on what the formula would be to accomplish it. I am putting the Cond Format in cell E5 and I need a formula to say: IF F5 AND G5 are BLANK then do the format I set up which is simply to fill the cell with RED. (.ColorIndex = 3)

The next portion of my problem is I need to revise my VBA Coding to check and make sure that there is not any cells in Column E that have the Formatting Active. This is the portion of code I need to alter. I have changed the wording of the message but am not sure on how to change the IF statement:


'Checks to see make sure there are no Actions or Resolutions WITHOUT a Topic

If Sheets("Meeting Minutes").Range("C1").Value = "" Then 'NEEDS TO CHANGE

MsgBox "Oops! You forgot to enter a Topic for Discussion in a cell(s). You MUST have a Topic in order for your Meeting Minutes to transfer to the Master sheet." & vbCr & vbCr & "Please click OK to return to the Minutes sheet so that you may fill in the Topic(s).", vbOKOnly, "CAUTION! PLEASE Note!"

Range("D5").Select
Application.ScreenUpdating = True
Application.StatusBar = ""
Exit Sub
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Nov 6, 2008

My code runs so slow! The sheet only has 233 rows and 6 of them are not in the loop.

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Mar 27, 2009

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May 9, 2007

I have the following piece of
Sub Summarise_Variations()

Dim myRange As Range
Dim Write_Cell As Long

With Application

.Calculation = xlCalculationManual
.StatusBar = "Please wait - Summarising variations..."

End With

It happily goes through a list and sums multiple records. It might not be the most efficient or best way to do it but it works and when I run it on a couple of stand alone sheets it takes a couple of seconds to process if that.

Unfortunately when I run it as part of the overall application that I've developed it takes ages to run, i.e. more like ten minutes.

The spreadsheet has a few graphs and about 250 sumproduct and array formula live in it but all other formula on other sheets are created and then paste valued as part of other VBA routines. As you can see I've also turned calculation off as the procedure runs so don't understand why it is suddenly taking so long.

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Aug 4, 2008

way the code below can be made more efficient? Basically, I drop down a combobox, and based on the value i select, it populates a lot of textboxes etc based on the listindex.....

Private Sub ComboBox3_Click()
On Error Resume Next
With Me.ComboBox3
If .ListIndex = -1 Then Exit Sub
Label23.Caption = Sheets("overview").Cells(.ListIndex + 2, "c").Value
Label24.Caption = Sheets("overview").Cells(.ListIndex + 2, "b").Value
Label38.Caption = Sheets("overview").Cells(.ListIndex + 2, "d").Value
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It takes about 10 seconds every time i choose another project

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Mar 8, 2007

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Sub IC_Delays()
Application.ScreenUpdating = False
Application.DisplayAlerts = False
Workbooks.Add
Windows("Delays List.xls").Activate
Range("F15:N" & Cells(Rows.Count, "F").End(xlUp).Row).Copy
Windows("Book4").Activate
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Aug 23, 2006

If you open the file sets.xls, you will see that I have listed 5 sets of 10 numbers.
A21:J21
A22:J22
A23:J23
A24:J24
A25:J25

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I know there are 50+ sets like these and I have listed just 5 of them.

How can I search the other sets?

I have uploaded a zip file which has an excel file. Run the module "DoIt" and you will get all 50+ sets like these.

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It is currently taking about 20seconds to run.

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I am making a small push button calculator to enter data into a textbox on a userform in an add-in file and this works fairly slowly. I am trying to concatenate a list of numbers in a textbox that simulates a calculator screen when entering numbers.

Private Sub CommandButton6_Click()
Dim Val
Val = "6"
Dim valand As Range
Set valand = ThisWorkbook.Worksheets("Stageing").Range("K65536").End(xlUp).Offset(1, 0)
valand = Val
Dim A As Range, B, C, d, E, F, G, H, I, J
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I am using the below to open a text file and copy the used range to my working workbook. The opening of the file makes the code slow and and also it may be bcoz i am trying to paste 11800 lines of data from one file to another.

Also i can see the flickering of the screen when the files are open. How to make the code faster and more efficient.

Code:
Sub readSimFile()
Application.ScreenUpdating = False
'//code//
Application.Calculation = xlCalculationManual

[Code] ......

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May 20, 2009

I have a given length of steel bar...Example(550 feet)

I have various cut lengths that I can pick from...
14'-10".....13'- 9".. 12'-8"........(up to 6 different lengths)

I need to know the best combination of lengths to cut the long bar into to have minimal scrap left when we get to the end of the 550 feet.....

Cut as many of the longest cut lengths possiable.....Cut as few of the shortest cut lengths possiable

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Mar 24, 2009

I have a rather large spreadsheet that takes a very long time to calculate once the new data is added. One of the many things I need to do is look to see if a unique value in range 1 is also in range 2. If it is, return some data (vlookup), if it's not, then I want a "0", not #NA. My question is, which of these two methods will result in a faster calculation (if at all):

Option 1: Do it in one step
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Or option 2: Do it in two steps:
Column N formula:
=VLOOKUP($A3,LY,3,FALSE)

Column N+1 formula:
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I have many columns of data using formulas in option 1, so if I have coded this badly that could be my problem...

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