protected void BtCherche_Click(object sender, EventArgs e)
        {
            if (!string.IsNullOrEmpty(TBZoneCherche.Text))
            {
                switch (RBSearch.SelectedValue)
                {
                case "Project":
                    GridViewAssigment.DataSource = (from a in dbContext.assignments
                                                    where a.Project.name == TBZoneCherche.Text
                                                    select new { a.EmployeeID, a.ProjectID, a.Employee.firstName, a.Employee.lastName, a.Project.name }
                                                    ).ToList();
                    break;

                case "Employe":
                    GridViewAssigment.DataSource = (from a in dbContext.assignments
                                                    where a.Employee.firstName == TBZoneCherche.Text
                                                    select new { a.EmployeeID, a.ProjectID, a.Employee.firstName, a.Employee.lastName, a.Project.name }
                                                    ).ToList();
                    break;

                default:
                    break;
                }
                GridViewAssigment.DataBind();
            }
        }
        private void load_grid() ////// PROBLEME
        {
            //SOLUTION 1 NE MARCHE PAS
            //GridViewAssigment.DataSource = (from a in dbContext.assignments
            //                                select new {a.EmployeeID, a.ProjectID ,
            //                                    a.Employee.firstName, a.Employee.lastName,
            //                                    a.Project.name }).ToList();


            //SOLUTION 1 NE MARCHE PAS AVEC SQL RAW
            //GridViewAssigment.DataSource = dbContext.assignments.SqlQuery("SELECT emp.employeID, p.projectID, emp.firstName, emp.lastName, p.name " +
            //    "FROM Employees emp, Projects p, Assignments a " +
            //    "WHERE emp.employeID = a.EmployeeID AND p.projectID = a.ProjectID").ToList();

            GridViewAssigment.DataBind();
        }