private void shtoKokeFurnizimi_Load(object sender, EventArgs e)
        {
            //load vizitat ekzistuese
            dataGridViewKokeFurnizimiList.DataSource = kf.SelectKokeFurnizimi();

            //furnitoret e regjistruar
            string getFurnitorQuery = "SELECT [Id],[Emer] FROM[dbo].[Furnitori]";

            h.fillComboBox1(comboBoxFurnitori, getFurnitorQuery, "Emer", "Id");

            shtoBtn.Enabled       = true;
            buttonNdrysho.Enabled = false;
            clearBtn.Enabled      = false;
        }