在已删除的行上“跳转”

Question

My datatable contains a large number of empty rows that are deleted. I'm using the following code to split the table into several new tables based on the value of Printers , however I need to add contingency for those deleted rows. How can I add this contingency within the following statement?

List<DataTable> dtCollection = dt.AsEnumerable()
                   .GroupBy(row => row.Field<string>("Printers"))
                   .Select(g => g.CopyToDataTable())
                   .ToList();`

My theory is that I should be able to create some sort of bool within GroupBy , but I'm not sure how to approach this.

Answer 1

If you want to filter out those rows which were deleted, then you can use simple Where statement which checks state of a row:

List<DataTable> dtCollection = dt.AsEnumerable()
                   .Where(row => row.RowState != DataRowState.Deleted)
                   .GroupBy(row => row.Field<string>("Printers"))
                   .Select(g => g.CopyToDataTable())
                   .ToList();