private void buttonUpdate_Click(object sender, EventArgs e)
{
if (selectedTest == null)
{
MessageBox.Show("Элемент не выбран");
return;
}
selectedTest.Name = tbName.Text;
selectedTest.PassMark = Convert.ToInt16(tbPassMark.Text);
var updateTest = new Test()
{
id = (int)selectedTest.id,
Name = selectedTest.Name,
PassMark = (short)selectedTest.PassMark
};
using (StudentTestingEntities1 db = new StudentTestingEntities1())
{
db.Test.Add(updateTest);
db.Entry(updateTest).State = EntityState.Modified;
db.SaveChanges();
}
Clear();
LoadData();
}
private void buttonDelete_Click(object sender, EventArgs e)
{
if (selectedTest == null)
{
MessageBox.Show("Элемент не выбран");
return;
}
var deleteTest = new Test()
{
id = (int)selectedTest.id,
Name = selectedTest.Name,
PassMark = (short)selectedTest.PassMark
};
using (StudentTestingEntities1 db = new StudentTestingEntities1())
{
db.Entry(deleteTest).State = EntityState.Deleted;
db.SaveChanges();
}
Clear();
LoadData();
}
private void Update(List <Question> updateList)
{
using (StudentTestingEntities1 db = new StudentTestingEntities1())
{
try
{
updateList.ForEach(o =>
{
var entity = db.Question.Where(z => z.id == o.id).FirstOrDefault();
if (entity == null)
{
return;
}
db.Entry(entity).CurrentValues.SetValues(o);
});
db.SaveChanges();
}
catch (Exception j)
{
Console.Write(j.ToString());
}
}
}
