How to get a specific field of list of objects in an array of strings

[nodrama]

I have a list of persons like this :\[code\]foreach (GridViewRow r in gv_contactList.Rows) { Person p = new Person(); p.Id = int.Parse(gv_contactList.DataKeys[r.RowIndex].Value.ToString()); p.Name = r.Cells[1].Text.TrimEnd(); p.Mobile = r.Cells[2].Text.TrimEnd(); p.Email = r.Cells[3].Text.TrimEnd(); p.Pkind = 1;//ToDo plst.Add(p); }\[/code\]How to get an array of mobile numbers in \[code\]string[]\[/code\]in the same previous loop where the mobile number is not null or empty .instead of looping again through the list of persons to put the mobile numbers in the array.