This page contains a list of the known issues when using SpreadsheetConverter to convert Excel spreadsheets to live, calculating web pages.
When we designed SpreadsheetConverter we wanted to allow for extremely large spreadsheets, and still provide exceptionally fast response times on slow hardware. This forced us into a few minor compromises, of which one was that if you ever assign a character string value to a cell, it is always treated like a character string.
When you reference such a cell in your spreadsheet, it always returns a string value, even if it’s a number. The cell contents will always be left-aligned, also for numbers. In string comparisons the operation compares character for character from left to right, so numeric string values may give unexpected results, e.g. ‘9’ > ‘10’ and ‘09’ <> ‘9’.
Example: a formula that returns either text or a number
=IF($E2=0, "Error", ROUND(0.8/$H2,2))
SpreadsheetConverter will see that the formula may return the text string Error and internally defines the cell as a string value, which will always left-align the cell – even if it contains a number.
To avoid this from happening, divide the functionality into two cells, one with the numeric value
And another with the error indication
=IF($E2=0, "Error", "")
Example: A formula that tests if a numeric cell is empty
When you want to test if a numeric cell is empty, you would typically use a formula like
This works fine in Excel, but SpreadsheetConverter regards empty cells as text strings and so the test will fail because “” is not equal to 0. The obvious circumventions are:
If you really, really must have a cell that contains both text and numbers, an error-proof test for it being empty is
=IF(OR(TRIM(A1)="", A1=0), "Empty", A1)
If you start a conversion and the progress bar seems to get stuck around 32%, you may be using conditional formatting on a very large cell range, e.g. an entire column. This problem is easily solved, just apply conditional formatting to only those cells that actually contain data.
When the conversion is complete, you may be shown a QR code to scan with your mobile device. If the barcode doesn’t appear automatically, you can open the History List and show the barcode from there.
If the web page doesn’t appear in your mobile device when you scan the barcode, and you get messages saying the web site is unavailable, impossible to connect to or doesn’t respond, you may need to add an exception to the Windows Firewall. Read more in the online help for Instant Testing.
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