error:index was outside the bounds of the array in c#

public class jr
        {




            public string name1 { get; set; }
            public string name2 { get; set; }
            public string name3 { get; set; }
            public string name4 { get; set; }
            public string name5 { get; set; }
            public string name6 { get; set; }
            public string name7 { get; set; }
            public string name8 { get; set; }
            public string name9 { get; set; }
           

            public static List<jr> LoadUserListFromFile(string path)
            {


                var users = new List<jr>();


                foreach (var line in File.ReadAllLines(path))
                {

               


                    var delimiters = new char[] { ',' };

                    var columns = line.Split(delimiters, StringSplitOptions.RemoveEmptyEntries);

                    users.Add(new jr




                    {

                        name1 = columns[0].Trim(),
                        name2 = columns[1].Trim(),
                        name3 = columns[2].Trim(),
                        name4 = columns[3].Trim(),
                        name5 = columns[4].Trim(),
                        name6 = columns[5].Trim(),
                        name7 = columns[6].Trim(),
                        name8 = columns[7].Trim(),
                        name9 = columns[8].Trim(),
                       
                    }

                );

                }
                return users;

            }

        }

dataGridView1.DataSource = jr.LoadUserListFromFile("file path");