private void buttonAddCust_Click(object sender, EventArgs e) { FormChangeCustomer custData = new FormChangeCustomer("", "", ""); if (custData.ShowDialog(this) == DialogResult.OK) { if ((custData.textBoxName.Text.Trim().Length > 0) && (custData.textBoxComm.Text.Trim().Length > 0)) { using (var mySqlConnection = new DBUtils().getDBConnection()) { using (var cmd = new MySqlCommand()) { cmd.Connection = mySqlConnection; cmd.CommandType = System.Data.CommandType.StoredProcedure; cmd.CommandText = querys[0]; cmd.Parameters.Clear(); MySqlParameter p1 = cmd.Parameters.Add("@customer", MySqlDbType.VarChar); p1.Direction = ParameterDirection.Input; MySqlParameter p2 = cmd.Parameters.Add("@comm", MySqlDbType.VarChar); p2.Direction = ParameterDirection.Input; MySqlParameter p3 = cmd.Parameters.Add("@sub_comm", MySqlDbType.VarChar); p3.Direction = ParameterDirection.Input; p1.Value = custData.textBoxName.Text; p2.Value = custData.textBoxComm.Text; p3.Value = custData.textBoxMail.Text; mySqlConnection.Open(); cmd.ExecuteNonQuery(); } } panelUsers.Controls.Clear(); list.Clear(); loadList(query); } } }