private void OfficeAssignment_Load(object sender, EventArgs e) { schoolContext = new SchoolEntities(); var instrQuery = schoolContext.People.OfType <Instructor>(); officeGridView.DataSource = instrQuery.ToList(); officeGridView.Columns["HireDate"].Visible = false; officeGridView.Columns["Timestamp"].Visible = false; officeGridView.Columns["PersonID"].Visible = false; officeGridView.Columns["EnrollmentDate"].Visible = false; officeGridView.Columns["StudentGrades"].Visible = false; officeGridView.Columns["Courses"].Visible = false; }
private void CourseViewer_Load(object sender, EventArgs e) { schoolContext = new SchoolEntities(); var departments = from department in schoolContext.Departments.Include("Courses") orderby department.Name select department; try { departmentList.DataSource = departments.ToList(); departmentList.DisplayMember = "Name"; } catch (Exception ex) { MessageBox.Show(ex.Message); } }