Table is nullable DateTime, but DataSet throws an exception?

Question

I\'m attempting to use the DataSet designer to create a datatable from a query. I got this down just fine. The query used returns a nullable datetime column from the datab

Answer 1

I am using the code listed below to handle null cells in an Excel sheet that is read in to a datatable.

if (!reader.IsDBNull(0))                                
{                                    
  row["DateOnCall"] = (DateTime)reader[0];
}