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Tom Knowlton
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Convert Excel Cell coords to x,y ( C# )

In C#, I need code that will convert an Excel column / row coordinate to zero-based x,y (ordinal) values.  Assume no VSTO or Interop support.

I need to support the following:

A1 (0, 0)
A500  (500, 0)
AA1   (0, 26)
AA500 (500, 26)
XFD5 (5, 16384)   (which is as far as I can go, column-wise)

*** NOTE:  in Excel you can obtain the column value with formula:


But like I said, I need to be able to do this programmatically in C# without the benefit of Excel Interop or VSTO.

Thank you!
.NET ProgrammingC#

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Fernando Soto

8/22/2022 - Mon