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Robot Master

In  minus operation there is primary datatable and secondary datatable but from which datatable it removes the data and which is to be removed, i am confused.

Any idea why I receive this error, when my datatable contains plenty of rows:

System.InvalidOperationException: The source contains no DataRows.

   at System.Data.DataTableExtensions.LoadTableFromEnumerable[T](IEnumerable`1 source, DataTable table, Nullable`1 options, FillErrorEventHandler errorHandler)

   at System.Data.DataTableExtensions.CopyToDataTable[T](IEnumerable`1 source)

   at DataTableOperation.MinusOperation.Execute(CodeActivityContext context)

   at System.Activities.CodeActivity.InternalExecute(ActivityInstance instance, ActivityExecutor executor, BookmarkManager bookmarkManager)

   at System.Activities.ActivityInstance.Execute(ActivityExecutor executor, BookmarkManager bookmarkManager)

   at System.Activities.Runtime.ActivityExecutor.ExecuteActivityWorkItem.ExecuteBody(ActivityExecutor executor, BookmarkManager bookmarkManager, Location resultLocation)

 - Useful activity package! One thing that I would change would be the title - 'DataTable Operations' or something similar might better describe the functionalities offered!


 - Hi Sandeep! Great work! I can use this on different activities on my current projects. 


Hey bro.. Great work!!! It was really useful for me on one of my datatable related projects.. 

Thank you for this!!

7a410439-3bd1-4b50-a24a-18b0e23a75b7.nupkg

This Activity Perform Set Operation between two DataTable as we do in RDBMS.

1) Minus Operation: MINUS (also known as EXCEPT) returns the difference between the first and second SELECT statement. It is the one where we need to be careful which statement will be put first because we will get only those results that are in the first SELECT statement and not in the second.

2) INTERSECT: INTERSECT is opposite to MINUS as it returns the results that are both to be found in first and second SELECT statement.

3) Union: It returns a union of two select statements. It is returning unique (distinct) values of them.

Note: Column Name Must be same in both DataTable

This activity performs a set of operations like Minus, InterSect, Union between two DataTable as we do in RDBMS

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Auxiliobits - Set Operation on DataTable

Auxiliobits - Set Operation on DataTable