public List<CourseViewModel> GetCourses(int categoryid) { List<CourseViewModel> course = null; var dTable = masterDataRepository.GetCourses(categoryid); if (null != dTable && dTable.Rows.Count > 0) { course = new List<CourseViewModel>(); foreach (DataRow row in dTable.Rows) { course.Add(new CourseViewModel { Id = Convert.ToInt32(row["CourseId"]), Name = Convert.ToString(row["Name"]) }); } } return course; }