//更新dataGridView public void Fill() { //Display all classes dataGridView ColumnName var d = CourseManager.AllCourse(); d.Columns[0].ColumnName = "课程ID"; d.Columns[1].ColumnName = "课程名称"; d.Columns[2].ColumnName = "任课教师"; d.Columns[3].ColumnName = "任课教师ID"; d.Columns[4].ColumnName = "大类"; d.Columns[5].ColumnName = "上课时间"; d.Columns[6].ColumnName = "上课地点"; d.Columns[7].ColumnName = "课程容量"; d.Columns[8].ColumnName = "平时成绩比重"; dataGridView1.DataSource = d; //Display selected classes dataGridView ColumnName RefreshSelectedClasses(); //Display students' grades in dataGridView var tab = GradeManager.DisplayStudentGrade(student.Id); tab.Columns[0].ColumnName = "课程ID"; tab.Columns[1].ColumnName = "课程名称"; tab.Columns[2].ColumnName = "任课教师"; tab.Columns[3].ColumnName = "平时成绩"; tab.Columns[4].ColumnName = "期末成绩"; tab.Columns[5].ColumnName = "总成绩"; dataGridView3.DataSource = tab; var table = SignManager.DisplaySignList(student.Id); table.Columns[0].ColumnName = "课程ID"; table.Columns[1].ColumnName = "课程名称"; table.Columns[2].ColumnName = "任课教师ID"; table.Columns[3].ColumnName = "任课教师"; table.Columns[4].ColumnName = "大类"; table.Columns[5].ColumnName = "上课时间"; table.Columns[6].ColumnName = "上课地点"; dataGridView4.DataSource = table; var Tab = SignManager.IPaddress(student.Id); Tab.Columns[0].ColumnName = "编号"; Tab.Columns[1].ColumnName = "课程编号"; Tab.Columns[2].ColumnName = "IP地址"; Tab.Columns[3].ColumnName = "签到时间"; Tab.Columns[4].ColumnName = "签到状态"; dataGridView5.DataSource = Tab; var ta = MessageManager.DisplayTea(); ta.Columns[0].ColumnName = "ID"; ta.Columns[1].ColumnName = "姓名"; ta.Columns[2].ColumnName = "性别"; ta.Columns[3].ColumnName = "部门"; dataGridView10.DataSource = ta; var datat = MessageManager.DisplayNotice(); datat.Columns[0].ColumnName = "编号"; datat.Columns[1].ColumnName = "标题"; datat.Columns[2].ColumnName = "发布教师"; datat.Columns[3].ColumnName = "发布时间"; dataGridView8.DataSource = datat; dataGridView6.DataSource = datat; var tabb = MessageManager.DisplayStuSend(student); tabb.Columns[0].ColumnName = "编号"; tabb.Columns[1].ColumnName = "教师ID"; tabb.Columns[2].ColumnName = "留言内容"; tabb.Columns[3].ColumnName = "时间"; dataGridView9.DataSource = tabb; var tta = MessageManager.DisplayStuRece(student); tta.Columns[0].ColumnName = "编号"; tta.Columns[1].ColumnName = "教师ID"; tta.Columns[2].ColumnName = "留言内容"; tta.Columns[3].ColumnName = "时间"; dataGridView7.DataSource = tta; }