A Tool to create N-Layer Architecture Classes

using System;
using System.Windows.Forms;
using ClassGeneratorEvents;

namespace ClassGeneratorControls
{
    /// <summary>
    /// The class that contains that contains the server box information.
    /// </summary>
    public partial class ServerBox : UserControl
    {
        private DatabaseBox databaseBox;

        /// <summary>
        /// The constructor that initializes the server box class.
        /// </summary>
        /// <param name="databaseBox">The database box object.</param>
        public ServerBox(DatabaseBox databaseBox)
        {
            InitializeComponent();
            this.databaseBox = databaseBox;
        }

        /// <summary>
        /// The instance of the server.
        /// </summary>
        public string ServerInstance
        {
            get { return txtServerName.Text; }

            set { txtServerName.Text = value; }

        }

        /// <summary>
        /// The username of the server.
        /// </summary>
        public string ServerUsername
        {
            get { return txtUsername.Text; }

            set { txtUsername.Text = value; }
        }

        /// <summary>
        /// The password of the server.
        /// </summary>
        public string ServerPassword
        {
            get { return txtPassword.Text; }

            set { txtPassword.Text = value; }
        }

        /// <summary>
        /// Checks whether the values are empty are not.
        /// </summary>
        public bool IsValuesEmpty
        {
            get { return string.IsNullOrEmpty(txtServerName.Text) || string.IsNullOrEmpty(txtUsername.Text) || string.IsNullOrEmpty(txtPassword.Text); }
        }

        private void btnConnect_Click(object sender, System.EventArgs e)
        {
            try
            {
                ServerBoxEvents serverBoxEvent = new ServerBoxEvents(this);
                if (IsValuesEmpty)
                    CommonFunctions.ShowMessageBox("Please enter Server Name, Username and Password!", MessageBoxButtons.OK, MessageBoxIcon.Error);
                else
                {
                    bool connectionResult = serverBoxEvent.Connect();
                    if (connectionResult)
                    {
                        databaseBox.Databases = CommonFunctions.SqlServerEventHandler.GetDatabases();
                        CommonFunctions.ShowMessageBox("Connection successful!", MessageBoxButtons.OK, MessageBoxIcon.Information);
                    }
                    else
                        CommonFunctions.ShowMessageBox("Connection failed, please check whether the server name, username and password are correct!", MessageBoxButtons.OK, MessageBoxIcon.Error);
                }
            }
            catch (Exception ex)
            {
                CommonFunctions.ShowMessageBox("Error occured while establishing a connection." + Environment.NewLine + "Please debug the error: " + ex.Message, MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }
    }
}