/// <summary> /// 查询各个表的信息赋值给下拉框 /// </summary> private void cmbData() { List <SchoolTerm> studentclass = common.GetAllSchoolTerm(); studentclass.Insert(0, new SchoolTerm { TermName = "——请选择学年——", SchoolTermID = 0 }); cmbSchoolTerm.DataSource = studentclass; cmbSchoolTerm.DisplayMember = "TermName"; cmbSchoolTerm.ValueMember = "SchoolTermID"; List <Course> course = common.GetAllCourse(); course.Insert(0, new Course { CourseType = "——请选择类型——", CourseID = 0 }); cmbCourseType.DataSource = course; cmbCourseType.DisplayMember = "CourseType"; cmbCourseType.ValueMember = "CourseID"; }