private void btnAdd1_Click(object sender, EventArgs e)
 {
     if (tabControl1.SelectedIndex == 0)
     {
         adaugaFurnizor frm = new adaugaFurnizor();
         frm.Show();
     }
     else if (tabControl1.SelectedIndex == 1)
     {
         adaugaContract frm = new adaugaContract();
         frm.Show();
     }
     else if (tabControl1.SelectedIndex == 2)
     {
         adaugaComanda frm = new adaugaComanda();
         frm.Show();
     }
     else if (tabControl1.SelectedIndex == 3)
     {
         adaugaCategorie frm = new adaugaCategorie();
         frm.Show();
     }
     else if (tabControl1.SelectedIndex == 4)
     {
         adaugaProdus frm = new adaugaProdus();
         frm.Show();
     }
     else if (tabControl1.SelectedIndex == 5)
     {
         adaugaProducator frm = new adaugaProducator();
         frm.Show();
     }
 }
 private void btnActualizare_Click(object sender, EventArgs e)
 {
     if (tabControl1.SelectedIndex == 0)
     {
         int            ID     = Convert.ToInt32(dataGridView1.Rows[dataGridView1.CurrentRow.Index].Cells[0].Value);
         var            objTmp = db.FURNIZORs.Where(x => x.FURNIZOR_ID == ID).First();
         adaugaFurnizor frm    = new adaugaFurnizor(objTmp);
         frm.Show();
     }
     else if (tabControl1.SelectedIndex == 1)
     {
         int            ID     = Convert.ToInt32(dataGridView2.Rows[dataGridView2.CurrentRow.Index].Cells[0].Value);
         var            objTmp = db.CONTRACTs.Where(x => x.CONTRACT_ID == ID).First();
         adaugaContract frm    = new adaugaContract(objTmp);
         frm.Show();
     }
     else if (tabControl1.SelectedIndex == 2)
     {
         int           ID     = Convert.ToInt32(dataGridView3.Rows[dataGridView3.CurrentRow.Index].Cells[0].Value);
         var           objTmp = db.COMANDA_STOC.Where(x => x.COMANDA_STOC_ID == ID).First();
         adaugaComanda frm    = new adaugaComanda(objTmp);
         frm.Show();
     }
     else if (tabControl1.SelectedIndex == 3)
     {
         int             ID     = Convert.ToInt32(dataGridView4.Rows[dataGridView4.CurrentRow.Index].Cells[0].Value);
         var             objTmp = db.CATEGORIE_SPORT.Where(x => x.CATEGORIE_SPORT_ID == ID).First();
         adaugaCategorie frm    = new adaugaCategorie(objTmp);
         frm.Show();
     }
     else if (tabControl1.SelectedIndex == 4)
     {
         int          ID     = Convert.ToInt32(dataGridView5.Rows[dataGridView5.CurrentRow.Index].Cells[0].Value);
         var          objTmp = db.PRODUSEs.Where(x => x.PRODUS_ID == ID).First();
         adaugaProdus frm    = new adaugaProdus(objTmp);
         frm.Show();
     }
     else if (tabControl1.SelectedIndex == 5)
     {
         int ID               = Convert.ToInt32(dataGridView6.Rows[dataGridView6.CurrentRow.Index].Cells[0].Value);
         var objTmp           = db.PRODUCATORs.Where(x => x.PRODUCATOR_ID == ID).First();
         adaugaProducator frm = new adaugaProducator(objTmp);
         frm.Show();
     }
 }