Excel formula is not being applied to some entries - excel

I have a workbook that gets its data from a SharePoint library. The idea is to automatically generate reports from the excel workbook and send automatic emails with the report attached. Problem is: recently, after the workbook refreases, formulas are missing in some cells making the reports incorrect. What is causing the formulas not to be applied in some cells?

Make sure filters are cleared before inserting the formula. Filters make some rows hidden and the formula is not applied to them.

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Values in Excel cells only refresh on save

I have a workbook which contains many formulas. Up until a few days ago whenever source data was manually updated all the calculated values in cells containing formulas also automatically refreshed. In order to get calculated values to now refresh we have to click CTRL-S to save the sheet - then all the values update. Does anyone is there is a workbook setting that controls whether calculated values refresh in real-time when source value cells change or only upon saving?
File>Options>Formulas>Workbook Calculation
Set to Automatic. See screenshot below.
If it's already set to Automatic, then you may have some VBA messing this up somewhere.

Locating Lost Excel Macro Formula From Old Data Sheet

I'm resurrecting some old scientific data from the early 2000s.
I need to locate the custom functions that allowed the data to be shown. The spreadsheet that I have is full of #REF! cells, as they are supposed to be calculated based on a custom-defined formula (here, called 'RESECTION').
How do I find this formula? If I can see the math it was performing, I will be able to use this old data, and extend our timeseries significantly.
The spreadsheet is an ".xlsm" document. There is an associated file that is ".XLM"; it provides some GUI-like functionality that is now broken, and I do not see how to access the commands (?) or other VBA that is inside.
I have not had success with this solution.
File with the VBA can be found here; SURVEY.XLM.
Problem is seen here; calling function from SURVEY.XLM. How do I access the formula within here?
I can see that the formula is in there; how do I see the calculation it performs?
RESECTION is a named range refering to cell A4 on the hidden Survey sheet.
In the VBE immediate window type thisworkbook.Sheets(2).visible = true and then thisworkbook.Sheets(2).select.
Cell Survey!A4 contains the value =RESULT(64).
The rest of the sheet contains the macros - first time I've seen or tried to use a filled in macro sheet.
I tried Ctrl+Fto find the definition of RESULT but it comes up with Macro error at cell [SURVEY.XLM]SURVEY!A364.

How can I make my excel formulas calculate after values have been added programatically

I have a .net program that updates values in an excel sheet programmatically using an OLEDB connection.
my excel sheet has some simple SUM formulas that sum the values that are programmatically updated. The problem is that since the values are updated while the excel sheet is closed my formulas do not calculate when the sheet is opened. When I press calculate sheet button the formulas are still not executed (because excel does not recognize that the new values have been added, possibly?). The only way I can get them to execute is if I click on the cell holding the formula (As if to modify the formula) then press enter(making excel reevaluate the cells). I have calculation option set to automatic and my data types are correct (general for the formulas and number for the number values). Is there any way I can make the spreadsheet calculate the formulas when I open it?
Try pressing ctrl+alt+f9 which should force a full calculation and not just a recalculation (like the calculate button does) that looks at cells that have changed.
More info on calculation material can be found here.
For vba I believe it is
Application.CalculateFull
Maybe this will work
Private Sub Workbook_Open()
Worksheets(1).Calculate
End Sub
Just in case someone runs into this problem: To do a full recalculation in vba you can use Application.CalculateFullRebuild to force a full calculation.

Identify the excel addin being used using a VBA Macro

I am working with Excel and we are using an Excel Addin to perform some of the calculations that we may need. The add-in has various formulae. What I am trying to do is write a VBA macro that will identify any formulae from the add-in being used in the sheet and paste them as values. Is there any way the macro can identify which formulae are linked to the add-in and which of those are plain excel formulae?
It is not ideal especially if your add-ins have many functions. But basically you can create a table with 2 columns, AddinName, FunctionName. And then you can loops through cells check if a cell has formula using the Range.HasFormula. And then check if any of the functions you have in the table you created is in that cell.

Highlighting conditionally based on the date today

An Excel worksheet contains a datewise list of entries. Whenever I open the worksheet, I want today's date entry to be highlighted. For example, when I open the Excel file containing Interest payment amounts and due dates, it should tell me which Interest is due today.
Conditional Formatting is the way to go.
In Excel 2007 (not sure about earlier versions), you can conditional format against formula -- i.e. set a conditional format to equals =TODAY().
(Apologies, I had tried to upload an image for you, but I don't have enough reputation to do so...)
I'm not sure exactly what you're going for, but if you're attempting to just have the data highlighted you can use conditional formatting to cause the appropriate values to be marked out.
If you're trying to make the data actually be re-ordered or show a sub-set of the existing data onto another tab, you'll need to embed some custom visual basic code into your workbook as a macro-enabled workbook (*.xlsm). There are events inside there that can be called when the workbook is opened.

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