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Editorial Team
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Asked: 2026-05-16T05:58:34+00:00

I am using the excel pia’s to do some writing and reading to/from excel

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I am using the excel pia’s to do some writing and reading to/from excel spreadsheets, i may just be being paranoid but i have the following questions:

As far as i can tell Excel recalculates the formulas in the worksheet upon every write but…

  1. is this the case? – ie is it possible to do series of write read write read and not to read the correct recalculations (eg if its a complex formula and takes too long could i end up reading a value that has not been recalculated yet?)

  2. is there anyway to do something like:

    BeginUpdate(); write lots of values EndUpdate(); Recalculate(); readlotsofvalues ?

I have not seen any dodgy results but i would like to be able to know “for sure” 😉

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1 Answer

  1. Editorial Team

    Some VBA functions that will work are here, to use these you can use the SpreadsheetClass in Interop.
    For C#, you have the Calculate() function.

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