I am doing Assignment 1 of level 3. I have extracted the work items using a data scrapper and that works. The extracted data table is not coming across to the main workflow as an ‘Out’ argument.
Main Sequence invokes “Get Extracted Data” with “ExtractedDataTable” as an Out Argument and in the “value” column I have “WorkItems” which is a data table. After doing the invoking, I would expect values in ‘WorkItems’ Data Table. But, I get Error like
"System error at initialization: Value cannot be null.
Parameter name: source at Source: System.Data.DataSetExtensions".
Please help. I have checked the data table in invloked sequence and that has values. Only that the values are not coming across through the ‘Out’ Argument mechanism to the invoking sequence.