private void button1_Click(object sender, EventArgs e)
{
Student student = new Student();
student.StudNo = textBox1.Text;
student.StudName = textBox2.Text;
student.StudSex = radioButton1.Checked ? '男' : '女';
student.StudBirthDate = dateTimePicker1.Value;
student.StudMajor = comboBox1.Text;
student.StudIsMember = checkBox1.Checked;
if (pictureBox1.Image != null)
{
MemoryStream ms = new MemoryStream();
pictureBox1.Image.Save(ms, System.Drawing.Imaging.ImageFormat.Jpeg);
student.StudPic = ms.GetBuffer();
ms.Close();
}
if (studentDAL.EditStudent(student) >= 0)
{
MessageBox.Show("修改成功！");
Dispose();
}
else
{
MessageBox.Show("修改失败！");
}
}
public void EditStudent(int id, Student newStudent)
{
try
{
var s = _context.Student
.Where(item => item.StudentCode == newStudent.StudentCode && item.Id != newStudent.Id).SingleOrDefault();
if (s == null)
{
Student oldStudent = _context.Student.Where(us => us.Id == id).SingleOrDefault();
if (newStudent.Password == null || newStudent.Password.Trim() == "")
{
newStudent.Password = oldStudent.Password;
}
else
{
newStudent.Password = BCrypt.Net.BCrypt.HashPassword(newStudent.Password);
}
_studentDAL.EditStudent(oldStudent, newStudent);
}
else
{
throw new Exception("Mã sinh viên đã tồn tại");
}
}
catch (Exception ex)
{
if (ex.Message.Contains("Mã sinh viên đã tồn tại"))
{
throw new Exception(ex.Message.ToString());
}
else
{
throw new Exception("Error from StudentBLL: " + ex.Message.ToString());
}
}
}
/// <summary>
/// 学生修改个人信息
/// </summary>
/// <param name="student"></param>
/// <returns></returns>
public bool EditStudent(Student student)
{
return(dal.EditStudent(student) > 0);
}