warehouse.cs

微软的行业应用解决方案实例！非常优秀的Windows Mobile开发案例

using System;
using System.ComponentModel;
using System.Drawing;
using System.Windows.Forms;

namespace HardwareDistributor.UI
{
    /// <summary>
    /// UI layer form that displays order to pick and load
    /// </summary>
    public partial class Warehouse : Form
    {
        public Warehouse()
        {
            InitializeComponent();
        }


        /// <summary>
        /// Cancel operation
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void menuItemExit_Click(object sender, EventArgs e)
        {
            //Close form
            this.Close();
        }


        /// <summary>
        /// Replicate with SQL Server 2005
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void menuItemSync_Click(object sender, EventArgs e)
        {
            Application.DoEvents();
            Cursor.Current = Cursors.WaitCursor;
            Application.DoEvents();

            try
            {
                //Test to see if Network is available
                Application.DoEvents();
                statusBar1.Text = "Checking network connectivity...";
                Application.DoEvents();
                if (Business.Services.GetConnectionStatus())
                {
                    //Test to see if Replication URL is reachable
                    Application.DoEvents();
                    statusBar1.Text = "Testing IIS server...";
                    Application.DoEvents();
                    if (Business.Services.CheckReplicationUrl())
                    {
                        //Log Application and Device Metrics
                        Business.Services.LogAppState();

                        //Synchronize database changes
                        Application.DoEvents();
                        statusBar1.Text = "Synchronizing database...";
                        Application.DoEvents();
                        Business.Services.SyncWithDataSource();
                        FillListView();

                    }
                    else
                    {
                        //Replication URL isn't reachable
                        Application.DoEvents();
                        statusBar1.Text = "IIS server isn't available...";
                        Application.DoEvents();
                        System.Threading.Thread.Sleep(1000);
                    }
                }
                else
                {
                    //Network isn't available
                    Application.DoEvents();
                    statusBar1.Text = "Network isn't available...";
                    Application.DoEvents();
                    System.Threading.Thread.Sleep(1000);
                }
            }
            catch (Exception ex)
            {
                Business.Services.LogErrors(ex);
                MessageBox.Show("Error synchronizing database", "System Error");
            }

            Application.DoEvents();
            statusBar1.Text = "";
            Cursor.Current = Cursors.Default;
            Application.DoEvents();

        }


        /// <summary>
        /// Fill Orders to Pick listview and
        /// Order to Load combo box
        /// </summary>
        private void FillListView()
        {
            //Retrieve OrderCollection of Orders to Pick
            Business.OrderCollection _orders = Business.Services.GetOrders(true, Business.OrderState.Placed);
            //Retrieve OrderCollection of Orders to Load
            Business.OrderCollection _pickedOrders = Business.Services.GetOrders(false, Business.OrderState.Picked);
            
            //Databind Orders to Load to combo box
            cboPicked.DisplayMember = "OrderId";
            cboPicked.ValueMember = "OrderId";
            cboPicked.DataSource = _pickedOrders;

            //Fill listview with Orders to Load
            listView1.Items.Clear();
            //Iterate through OrderCollection
            foreach (Business.Order orderItem in _orders)
            {
                //Add OrderId
                ListViewItem lvi = new ListViewItem(orderItem.OrderId.ToString());
                //Add CustomerId
                lvi.SubItems.Add(orderItem.CustomerName);
                //Add Delivery Date
                lvi.SubItems.Add(orderItem.DeliveryDate.ToShortDateString());
                //Add Order State
                lvi.SubItems.Add(orderItem.OrderState);
                //Add ListView Items to ListView
                listView1.Items.Add(lvi);
            }
        }


        /// <summary>
        /// Loads Warehouse form
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void Warehouse_Load(object sender, EventArgs e)
        {
            try
            {
                //Fill the listview and combo box controls
                FillListView();
            }
            catch (Exception ex)
            {
                Business.Services.LogErrors(ex);
                MessageBox.Show("Error displaying orders", "System Error");
            }

        }


        /// <summary>
        /// Check an Order to Pick
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void menuItemPick_Click(object sender, EventArgs e)
        {
            try
            {
                //Retrieve a collection of items from the list view control
                ListView.ListViewItemCollection checkedItems = listView1.Items;
                //Iterate through the collection
                foreach (ListViewItem item in checkedItems)
                {
                    //Determine of item is checked
                    if (item.Checked)
                    {
                        //Get OrderId and pass to Picking Screen
                        int _orderId = int.Parse(item.SubItems[0].Text);
                        Picking picking = new Picking(_orderId);
                        picking.ShowDialog();

                        //Refill listview and combo box when 
                        //Picking screen is closed
                        FillListView();

                        //Release Picking screen's resources
                        picking.Dispose();
                        break;
                    }
                }
            }
            catch (Exception ex)
            {
                Business.Services.LogErrors(ex);
                MessageBox.Show("Error loading Picking screen", "System Error");
            }
        }


        /// <summary>
        /// Launches the Loading screen
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void menuItemLoad_Click(object sender, EventArgs e)
        {
            try
            {
                //Ensure combo box isn't empty
                if (cboPicked.Items.Count > 0)
                {
                    //Get OrderId from combo selection
                    int _orderId = (int)cboPicked.SelectedValue;
                    //Load the Loading screen and pass in the OrderId
                    Loading loading = new Loading(_orderId);
                    loading.ShowDialog();

                    //Refill listview and combo box when 
                    //Loading screen is closed
                    FillListView();

                    //Release Loading screen's resources
                    loading.Dispose();
                }
            }
            catch (Exception ex)
            {
                Business.Services.LogErrors(ex);
                MessageBox.Show("Error launching the Loading screen", "System Error");
            }
        }

       
        /// <summary>
        /// Launch Help
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void linkLabelHelp_Click_1(object sender, EventArgs e)
        {
            try
            {
                //Show Warehouse Help
                Help.ShowHelp(this, @Business.GlobalCache.Instance.AppPath + "HardwareHelp.htm#warehouse");
            }
            catch (Exception ex)
            {
                Business.Services.LogErrors(ex);
                MessageBox.Show("Error displaying Help", "System Error");
            }

        }



    }
}