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How to use advanced (Excel) function within SQL in FrontPage

How to use advanced (Excel) function within SQL in FrontPage

How to use advanced (Excel) function within SQL in FrontPage

I want to resuse some of this formula in FrontPage database results to select certain data from my Excel spreadsheet.

I have an MS Excel function which works in excel:

This formula calculates the distance between 2 sets of lats and longs. I am trying to locate records based on Lat and Longs which are only 25 miles from my home. I know the lat and long for my home and store that in a variable.
The spreadsheet contains lats and longs for many other sites/address and I need to find the ones within a certain distance from my home. I would replace the hardcoded values with the names used in excel for the columns. When I attempt this formula in the FrontPage database results wizard I get an error that the ACOS function isn't recoginzed or supported.

To set this up I registered my excel spreadsheet as my datasource and then selected the wizard to create "database results". I can locate the excel sheet in question and then attempt to customize the result set. I know that the connection is successful because if I have no criteria or SQL selected then I get all of the records returned to me.

How can I found out what functions are supported? and how can I add functions which I need?

RE: How to use advanced (Excel) function within SQL in FrontPage

Don't use the wizard: just code it directly.

Either way, you need to locate a program called either MSE.exe or MSE7.exe.  Alternatively in Frontpage, Tools/Macros/Microsoft Script editor.  If it hasn't been installed, it will automatically install and launch.

From there, click on help/Microsoft Script Editor Help.  If you're using Javascript, under contents, look for JScript/JScript Language Reference/Methods.  If you're using VBScript, under contents, look for VBScript/VBScript Language Reference/Functions.

As far as I know, there is no RADIANS function in either of them so you'll have to divide by 180 and multiply by 3.141926535.  All JScript math functions need a Math. in front of them.  VBScript doesn't have acos but you can work it out using atn.  Something like


acos(x)=atn(sqrt(1-x*x) / x)
asin(x)=atn(x /sqrt(1-x*x))}
With a special case for 0 in acos and 1 and asin.  It is a pain but hardly anyone uses these math functions.

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