How to handle CopyToDataTable() when no rows?

Question

I have the code:

dt = collListItems.GetDataTable().AsEnumerable()
        .Where(a => Convert.ToString(a[\"Expertise\"]).Contains(expertise) && Co         


        

Answer 1

How about this solution :

            DataRow[] filtered_rows = data.Tables[0].Select(filter_string);

            if(filtered_rows.Length > 0)
            {
                filtered_data = filtered_rows.CopyToDataTable();
            }
            else
            {
                filtered_data.Clear();
            }

data.Tables[0] is the source table and filtered_data is the resultant table.