String.Join(Environment.NewLine, dt.AsEnumerable().select(function() ((“SAP Code”).toString)).ToList) [image]

Write Text File: Value cannot be null. Parameter name: source

Gokul001 (Gokul Balaji) September 20, 2022, 4:46am 8

Check that your parameter are assigned correctly. (Don’t pass the Null value)

Can you provide us an sample input?

Regards
Gokul

Topic		Replies	Views
Assign: Value cannot be null. Parameter name: source Studio uiautomation	13	3330	November 4, 2022
Write Range Workbook: Value cannot be null. (Parameter 'source) Studio studio , question , activities_panel	3	314	April 17, 2024
Value cannot be null. Parameter name: String Activities datatable , excel , activities	0	1026	February 12, 2021
Assign: Value cannot be null. (Parameter 'source') List Error Studio studio , question , activities_panel	8	171	September 19, 2024
Excel file using write range workbook Studio studio , question , properties_panel	11	124	September 12, 2024