private void button2_Click(object sender, EventArgs e)
{
DateTime time = DateTime.Now;
string format = "yyyy-MM-dd HH:mm:ss";
masaDurumu = false;
kontrol();
SqlCommand cmd = new SqlCommand("select BaslangicSaat from MasaBilgisi where KullaniciAdi='" + kullaniciAdi + "' and MasaNo='" + masaNo + "' and Durum=1", conn);
conn.Open();
DateTime baslangic = Convert.ToDateTime(cmd.ExecuteScalar());
// DateTime baslangic = new DateTime(2018,04,30,22,56,00); //Kontrol için. Orjinali üst satırda
TimeSpan sonuc = DateTime.Now - baslangic;
int dakika = Convert.ToInt32(sonuc.TotalMinutes);
decimal fiyat = numericUpDown1.Value / 60;
decimal ucret = Convert.ToDecimal(fiyat * dakika);
ucret = Convert.ToDecimal(Math.Round(ucret, 2));
String ucret2 = ucret.ToString().Replace(",", ".");
lblMasaUcret.Text = (ucret2 + " TL");
conn.Close();
conn.Open();
SqlCommand cmd2 = new SqlCommand("update MasaBilgisi set Ucret = '" + ucret2 + "', Durum=0,BitisSaat='" + time.ToString(format) + "' where KullaniciAdi='" + kullaniciAdi + "' and MasaNo = " + masaNo + "", conn);
DataTable dt2 = new DataTable();
SqlDataAdapter da = new SqlDataAdapter(cmd2);
da.Fill(dt2);
conn.Close();
Masalar masa = (Masalar)Application.OpenForms["Masalar"];
masa.yesilYap(masaNo);
}
