private void button1_Click(object sender, EventArgs e) { try { String constring = "server=localhost;user id=root;password=root;persistsecurityinfo=True;database=medical"; MySqlConnection conDataBase = new MySqlConnection(constring); conDataBase.Open(); string sql = "select * from avl_stock where p_name='" + textBox1.Text + "'"; MySqlCommand cmdDataBase = new MySqlCommand(sql, conDataBase); MySqlDataReader rdr; rdr = cmdDataBase.ExecuteReader(); rdr.Read(); int old = int.Parse(rdr["p_price"].ToString()); int ne = int.Parse(textBox2.Text); MySqlCommand cmd2 = new MySqlCommand("update avl_stock set p_price=" + ne + " where p_name='" + textBox1.Text + "'", conDataBase); rdr.Close(); cmd2.ExecuteNonQuery(); conDataBase.Close(); available v = new available(); v.Show(); } catch (Exception ex) { MessageBox.Show(ex.Message); } }
private void button1_Click(object sender, EventArgs e) { try { String constring = "server=localhost;user id=root;password=root;persistsecurityinfo=True;database=medical"; MySqlConnection conDataBase = new MySqlConnection(constring); conDataBase.Open(); string sql = "select * from avl_stock where p_name='" + textBox1.Text + "'"; MySqlCommand cmdDataBase = new MySqlCommand(sql, conDataBase); MySqlDataReader rdr; rdr = cmdDataBase.ExecuteReader(); rdr.Read(); int check = int.Parse(rdr["p_quantity"].ToString()); if (check > (int.Parse(textBox2.Text))) { int total = 0; int price = int.Parse(rdr["p_price"].ToString()); int new_q = 0; new_q = int.Parse(rdr["p_quantity"].ToString()) - int.Parse(textBox2.Text); rdr.Close(); MySqlCommand cmd3 = new MySqlCommand("update avl_stock set p_quantity=" + new_q + " where p_name='" + textBox1.Text + "' ", conDataBase); cmd3.ExecuteNonQuery(); total = (int.Parse(textBox2.Text)) * price; MySqlCommand cmd2 = new MySqlCommand("insert into bill (p_name,p_quantity,p_total) values ('" + textBox1.Text + "'," + textBox2.Text + "," + total + ")", conDataBase); cmd2.ExecuteNonQuery(); load(); conDataBase.Close(); } else { MessageBox.Show("item is not available"); available a = new available(); a.Show(); } } catch (Exception ex) { MessageBox.Show(ex.Message); } textBox1.Text = ""; textBox2.Text = ""; }
private void button3_Click(object sender, EventArgs e) { available a = new available(); a.Show(); }