Excel Subtotal - how to find fields being used

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Hi all,

I am busy developing an application that does a lot of data manipulation on Excel spreadsheet "templates". In Excel (2010), you can manually create SubTotal by using the Data > Subtotal feature.

What I need to do now however, is to interrogate an existing spreadsheet, and find out which fields are being used as the "group by" and "subtotal" fields. It is fairly easy to add the subtotal in code, but seeminly impossible to reverse-lookup the subtotal fields.

C#

region applies subtotalling on the sheet
int[] fieldsForSubtotal = new int[] { 9, 11 };

range.Subtotal(5, Excel.XlConsolidationFunction.xlSum, fieldsForSubtotal, missing, missing, Excel.XlSummaryRow.xlSummaryBelow);

#endregion

I have googled quite a bit for this one, but can't seem to find any way of doing the reverse lookup bit. Please help?

Thanx,
Michelle

Posted 26-Jul-12 2:32am

Michelle Phoenix

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Kenneth Haugland 26-Jul-12 8:54am

I dont know how may designated exsperts there are on VSTO here, but I got several answers regarding VSTO over here at a designated VSTO forum:

http://social.msdn.microsoft.com/Forums/en-US/vsto/threads

Michelle Phoenix 26-Jul-12 9:34am

I am trying to post my question there as well, but keep on getting "unexpected error" errors :(. Will try again in an hour or so. Thanx in the meantime!

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