Hi, I’ve tried importing the Microsoft.Office.Interop.Excel namespace, then within an Invoke code activity putting the following: Dim xl As Microsoft.Office.Interop.Excel.Application However, I get the following error message: Main has thrown an exception Source: Invoke code Message: Error com…

Hi Alex, Were you able to solve the issue? thanks

Thank you very much, after adding this line UiPath could find the reference.

[image] Alex: message: Main has thrown an exception Source: Invoke code Message: Error compiling code error BC30002: Type ‘Microsoft.Office.Interop.Excel.Application’ is not defined. At line 1 Exception Type: ArgumentException Hi Guys, I fixed that, as vvaidya mentioned, but have still t…

Check if “Microsoft.Office.Interop.Excel” is not automatically added [Capture] xmlns:moie=“clr-namespace:Microsoft.Office.Interop.Excel;assembly=Microsoft.Office.Interop.Excel”

yes. adding the above assembly reference, workflow works fine. But when I edit the workflow in studio, this manually added reference getting deleted all the time. Please help.

This works for me. Just wondering why this entry is not automatically entered by UiPath Studio in the xaml file.

Just hit this issue myself using Microsoft.Office.Interop.Outlook. If I add the import using the UiPath UI (lower pane) then the reference is not added. I need to manually add the reference two places in the xaml file. Then after I make any edits to the invoke code section the xaml is overwritten a…

Hi @bobpeers , Has this been resolved to your knowledge?

Interop.Excel.Application is not defined

Help

vvaidya (Vinay Vaidya) January 15, 2018, 3:37pm 4

Do you have the below assembly in your xaml, if not add it manually and restart your project and try again.

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Interop.Excel.Application is not defined

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