private void 成绩查询ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            Student st = StudentManageAction.QueryStudentInfo(user.getAccount());

            ScoreManager.ScoreResearch sr = new ScoreManager.ScoreResearch(st);
            sr.MdiParent = this;
            sr.Show();
        }
        private void 查看我的专业课程ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            Student st = StudentManageAction.QueryStudentInfo(user.getAccount());

            StudentManager.CompulsoryCourseForm ccf = new CompulsoryCourseForm(st);
            ccf.MdiParent = this;
            ccf.Show();
        }
 private void  课ToolStripMenuItem_Click_1(object sender, EventArgs e)
 {
     if (user.isRole("学生"))
     {
         Student          st  = StudentManageAction.QueryStudentInfo(user.getAccount());
         SelectCourseForm scf = new SelectCourseForm(st);
         scf.MdiParent = this;
         scf.Show();
     }
 }