DataTable Error-Convert from String.Double

[Qin_Z (Qin Zhang)]

Hello I am trying to calculate SUM and output to Excel… But there is an error… as the picture below… Does anyone know how I can solve the problem?? Attached below with pic and the workflow and excel sheet. Thanks a lot !!

Practice2.xaml (9.2 KB) Sample Columns.xlsx (8.1 KB)

[anandji05 (ANAND PRIYA TRIPATHI)]

@Qin_Z

Result:

Practice2.xaml (10.0 KB)

Regards
Anand