private void silToolStripMenuItem_Click(object sender, EventArgs e)
{
if (lstUrunler.SelectedItem == null)
{
return;
}
var urunId = (lstUrunler.SelectedItem as ProductViewModel).ProductID;
var cevap = MessageBox.Show("Secili urunu silmek istiyor musunuz?", "Urun Silme", MessageBoxButtons.YesNo, MessageBoxIcon.Question);
if (cevap != DialogResult.Yes)
{
return;
}
try
{
NorthwindSabahEntities db = new NorthwindSabahEntities();
var urun = db.Products.Find(urunId);
db.Products.Remove(urun);
MessageBox.Show($"{db.SaveChanges()} kayit silindi");
KategorileriGetir();
}
catch (DbUpdateException ex)
{
MessageBox.Show("Silmek istediginiz kayit baska bir tabloda kullanildigi icin silemezsiniz");
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
private void btnKategoriKaydet_Click(object sender, EventArgs e)
{
try
{
ep1.Clear();
NorthwindSabahEntities db = new NorthwindSabahEntities();
db.Categories.Add(new Category()
{
CategoryName = string.IsNullOrEmpty(txtKategoriAdi.Text) ? null : txtKategoriAdi.Text,
Description = txtAciklama.Text
});
int sonuc = db.SaveChanges();
MessageBox.Show($"{sonuc} kayit eklendi");
KategorileriGetir();
}
catch (DbEntityValidationException ex)
{
foreach (var validationError in ex.EntityValidationErrors)
{
foreach (var error in validationError.ValidationErrors)
{
if (error.PropertyName == "CategoryName")
{
ep1.SetError(txtKategoriAdi, error.ErrorMessage);
}
}
}
MessageBox.Show(EntityHelper.ValidationMessage(ex), "Bir hata olustu", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
private void btnUrunGuncelle_Click(object sender, EventArgs e)
{
try
{
ep1.Clear();
NorthwindSabahEntities db = new NorthwindSabahEntities();
var seciliUrun = lstUrunler.SelectedItem as ProductViewModel;
var urun = db.Products.Find(seciliUrun.ProductID);
urun.ProductName = txtUrunAdi.Text;
urun.UnitPrice = nuFiyat.Value;
urun.CategoryID = (cmbUrunKategori.SelectedItem as CategoryViewModel).CategoryID;
int sonuc = db.SaveChanges();
KategorileriGetir();
MessageBox.Show($"{sonuc} urun guncellendi");
}
catch (DbEntityValidationException ex)
{
foreach (var validationError in ex.EntityValidationErrors)
{
foreach (var error in validationError.ValidationErrors)
{
if (error.PropertyName == "ProductName")
{
ep1.SetError(txtUrunAdi, error.ErrorMessage);
}
}
}
MessageBox.Show(EntityHelper.ValidationMessage(ex), "Bir hata olustu", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}