Getting an error as "Object reference not set to an instance of an object"

[loveleet_Saini]

In Assign Activity give In_dtReport value as New System.Data.Datatable.

Please refer

Initialisation of datatable

Hello! You have to initialize the dt3 before copy the content from dt2. Try something: dt3 = dt2.Clone() And then dt3 = dt2.CopyToDatatable() Hope it Helps Regards,