public void DeleteTest()
{
List <Student> students = manager.Read();
int idToCheck = students[testRowIndex].Id;
manager.Delete(idToCheck);
Student testStudent = manager.SelectStudentById(idToCheck);
Assert.IsTrue(testStudent == null);
}
public void Delete(string Name, string Surname, DateTime DateofBirth, string StudentId, string typo)
{
Student student = new Student();
student.Name = Name;
student.Surname = Surname;
student.DateofBirth = DateofBirth.ToString();
student.StudentId = Int32.Parse(StudentId);
StudentDao studenCreator = FactoryProvider.GetFactory(typo).Creator(typo);
studenCreator.Delete(student);
}
/// <summary>
/// 删除学生
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Btn_delete_Click(object sender, EventArgs e)
{
if (this.grid_students.SelectedRows.Count == 0)
{
MessageBox.Show("请选择要删除的行");
return;
}
var selectRow = this.grid_students.SelectedRows[0];
var studentId = (int)selectRow.Cells["studentID"].Value;
StudentDao studentDao = new StudentDao();
studentDao.Delete(studentId);
//C# Linq
var selectStudent = students.FirstOrDefault(x => x.Id == studentId);
if (selectStudent != null)
{
students.Remove(selectStudent);
}
}