How to check DBNull value in Linq query results

Question

I am using the below code and trying to group by Currency and Code. After this I am trying to loop through the result set.

But the issue is while looping through the

Answer 1

The way to find the number of CELLS with DBNulls for a specific column:

int numOfEmptyColA = MyDataTable.AsEnumerable().Where(p=>p.IsNull("ColA")).Count();