Assembly reference error while using excel operations in Invoke code actvity

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1

Hi,

kindly please go through the error facing in invoke code activity when using Excel operations in it.

Invoke Code: No compiled code to run
error BC31539: Cannot find the interop type that matches the embedded type ‘Microsoft.Office.Interop.Excel.Application’. Are you missing an assembly reference? At line 1
error BC31539: Cannot find the interop type that matches the embedded type ‘Microsoft.Office.Interop.Excel.Workbook’. Are you missing an assembly reference? At line 2
error BC31539: Cannot find the interop type that matches the embedded type ‘Microsoft.Office.Interop.Excel.Worksheet’. Are you missing an assembly reference? At line 3
error BC31539: Cannot find the interop type that matches the embedded type ‘Microsoft.Office.Interop.Excel.Worksheet’. Are you missing an assembly reference? At line 3
error BC31539: Cannot find the interop type that matches the embedded type ‘Microsoft.Office.Interop.Excel.Application’. Are you missing an assembly reference? At line 4
error BC31539: Cannot find the interop type that matches the embedded type ‘Microsoft.Office.Interop.Excel.Worksheet’. Are you missing an assembly reference? At line 6
error BC31539: Cannot find the interop type that matches the embedded type ‘Microsoft.Office.Interop.Excel.Worksheet’. Are you missing an assembly reference? At line 7
error BC30456: ‘XlPasteType’ is not a member of ‘Excel’. At line 11

before i used to add a line in xaml it worked fine but now it is not working

xmlns:moio=“clr-namespace:Microsoft.Office.Interop.Excel;assembly=Microsoft.Office.Interop.Excel”

Regards,
A Manohar

2

Add namespace ‘Microsoft.Office.Interop.Excel’ from namespace tab

3

@vikashkumarvivek00

can you explain me clearly kindly provide screen shot for reference

Regards,
A Manohar

4

Have you added the namespaces of Microsoft.Office.Interop.Excel from variable pane ?

5

@vikashkumarvivek00

No i didn’t added

6

Please add and then check it again…I hope it will work

7

@vikashkumarvivek00

still facing the same error after adding also

xaml code header

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8

Can you please open xaml file in Notepad and check for Microsoft.Office.Interop.excel in assembly reference part and X string part?
If it is there then no need to do anything else you have to add manually…

1 Like
9

@vikashkumarvivek00

It is present

Kindly verify xaml for reference
BnC.xaml (987.1 KB)

10

@Manohar1

Click on manage packages and search for Microsoft.Office.Interop.Excel
and install it

1 Like
11

Thanks @HareeshMR and @vikashkumarvivek00

12

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