private void btnSave_Click(object sender, EventArgs e) { TstServer = txtbServer.Text; TstPort = txtbPort.Text; TstUserName = txtbUsername.Text; TstPassword = txtbPassword.Text; TstDatabase = txtbDatabase.Text; try { ConnectDB.con.ConnectionString = "Server = '" + TstServer + "'; " + "Port = '" + TstPort + "'; " + "Database = '" + TstDatabase + "'; " + "user id = '" + TstUserName + "'; " + "password = '******'"; ConnectDB.con.Open(); ConnectDB.MySQLServer = txtbServer.Text; ConnectDB.MySQLPort = txtbPort.Text; ConnectDB.MySQLUserName = txtbUsername.Text; ConnectDB.PwdMySQL = txtbPassword.Text; ConnectDB.DBNameMySQL = txtbDatabase.Text; ConnectDB.SaveData(); this.Close(); Interaction.MsgBox("Test connection successful", MsgBoxStyle.Information, "Database Settings"); } catch { Interaction.MsgBox("The system failed to establish a connection", MsgBoxStyle.Information, "Database Settings"); } ConnectDB.DisconnMy(); }