protected static void Copy(DataAccess.Course obj, Course newObj)
{
newObj.ID = obj.ID;
newObj.SemesterID = obj.SemesterID;
newObj.TeacherID = obj.TeacherID;
newObj.Number = obj.Number;
newObj.Name = obj.Name;
newObj.Status = obj.Status;
}
private void cboSubjectName_SelectedIndexChanged(object sender, EventArgs e)
{
//根据选择不同的课程名称显示相应的数据
DataAccess.Course objCourse = DataAccess.Course.CreateInstance(_className, this.cboSubjectName.SelectedItem.ToString());
BusinessRuler.Teacher.FillCboByAllTeacherName(this.cboTeacher, objCourse.Teacher);
this.dtpStartDate.Value = objCourse.BeginDate;
this.dtpFinishDate.Value = objCourse.FinishDate;
this.txtRemark.Text = objCourse.Remark;
}
public static Course FromDataAccessObject(DataAccess.Course obj)
{
if (obj == null)
{
return(null);
}
Course newObj = new Course();
ServiceObjects.Course.Copy(obj, newObj);
return(newObj);
}
//修改课程
public void Update(string subjectName, string teacher, DateTime beginDate, DateTime finishDate, string remark)
{
DataAccess.Course objCourse = new DataAccess.Course(_className, subjectName);
objCourse.Teacher = teacher;
objCourse.BeginDate = beginDate;
objCourse.FinishDate = finishDate;
objCourse.Remark = remark;
if (objCourse.Update() > 0)
{
UpdateDataGrid();
MessageBox.Show("修改课程成功！", "操作成功", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
else
{
MessageBox.Show("更新操作失败！", "操作失败", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}
public static Course FromDataAccessObject(DataAccess.Course obj)
{
if (obj == null)
{
return(null);
}
Course newObj = new Course();
ServiceObjects.Course.Copy(obj, newObj);
newObj.Links.Add(new Link("Semester", LinkType.Semester, RESTUrlUtil.Service.RESTSvc.GetSemesterByID(newObj.SemesterID)));
newObj.Links.Add(new Link("Teacher", LinkType.Teacher, RESTUrlUtil.Service.RESTSvc.GetTeacherByID(newObj.TeacherID)));
newObj.Links.Add(new Link("Enrollments", LinkType.Enrollments, RESTUrlUtil.Service.RESTSvc.GetEnrollmentsByCourseID(newObj.ID, 1)));
return(newObj);
}
//删除课程
public void Delete()
{
string subjectName = this._dgvCourse.CurrentRow.Cells["SubjectName"].Value.ToString();
if (DialogResult.Yes == MessageBox.Show("真的要删除课程' " + subjectName + " '吗?\n删除课程，将同时删除与该课程相关的所有成绩信息，要继续吗？", "删除确认", MessageBoxButtons.YesNo, MessageBoxIcon.Question))
{
DataAccess.Course objCourse = new DataAccess.Course(_className, subjectName);
if (objCourse.Delete() > 0)
{
UpdateDataGrid();
MessageBox.Show("成功删除课程" + subjectName + " '!", "操作成功", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
else
{
MessageBox.Show("删除操作失败 " + subjectName + " '!", "操作失败", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}
}
//修改课程
public void Update(string studentName, string subjectName, double scoreCount)
{
int studentNo = DataAccess.Student.GetStudentNo(_className, studentName);
DataAccess.Course objCourse = new DataAccess.Course(_className, subjectName);
int courseID = objCourse.GetCourseID();
DataAccess.Score objScore = new DataAccess.Score(studentNo, courseID);
objScore.ScoreCount = scoreCount;
if (objScore.Update() > 0)
{
UpdateDataGrid();
MessageBox.Show("修改成绩成功！", "操作成功", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
else
{
MessageBox.Show("更新成绩失败！", "操作失败", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}
//删除课程
public void Delete()
{
int studentNo = Int32.Parse(this._dgvScore.CurrentRow.Cells["StudentNo"].Value.ToString());
string subjectName = this._dgvScore.CurrentRow.Cells["SubjectName"].Value.ToString();
DataAccess.Course objCourse = new DataAccess.Course(_className, subjectName);
int courseID = objCourse.GetCourseID();
DialogResult result = MessageBox.Show("真的要删除吗?", "删除确认", MessageBoxButtons.YesNo, MessageBoxIcon.Question);
if (result == DialogResult.Yes)
{
DataAccess.Score objScore = new DataAccess.Score(studentNo, courseID);
if (objScore.Delete() > 0)
{
UpdateDataGrid();
MessageBox.Show("成功删除成绩!", "操作成功", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
else
{
MessageBox.Show("删除操作失败!", "操作失败", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}
}
//添加课程
public void Add(string studentName, string subjectName, double scoreCount)
{
int studentNo = DataAccess.Student.GetStudentNo(_className, studentName);
DataAccess.Course objCourse = new DataAccess.Course(_className, subjectName);
int courseID = objCourse.GetCourseID();
if (DataAccess.Score.GetReader(studentNo, courseID).HasRows)
{
MessageBox.Show("该生 " + subjectName + " 课成绩已存在！", "添加失败", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else
{
if (DataAccess.Score.Add(studentNo, courseID, scoreCount) > 0)
{
UpdateDataGrid();
MessageBox.Show("成功添加成绩！", "操作成功", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
else
{
MessageBox.Show("添加成绩失败！", "操作失败", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}
}