private void btnCreateStoreItems_Click(object sender, EventArgs e)
{
StoreItem item = new StoreItem();
StoreItems <StoreItem> items = new StoreItems <StoreItem>();
BinaryFormatter bfmStoreItem = new BinaryFormatter();
// This is the file that holds the list of items
string strFileName = @"C:\Microsoft Visual C# Application Design\Computer Accessories Store\StoreItems.slm";
items.Add(new StoreItem("7MP-00011", "Mouse", "Wireless", "Arc Touch Bluetooth Mouse ", 69.95));
items.Add(new StoreItem("485948", "Mouse", "Wired", "Amazon Basic", 20));
items.Add(new StoreItem("920820", "Mouse", "Wireless", "Microsoft ergonomics", 80));
items.Add(new StoreItem("406033", "Mouse", "Wired", " Logitech", 45));
items.Add(new StoreItem("358460", "Keyboard", "Wireless", "Logitech All-in-one", 50));
items.Add(new StoreItem("724799", "Monitor", "1080p", "LG", 200));
items.Add(new StoreItem("582693", "Thumbdrive", "USB 3.0", "Moserbaer", 15));
items.Add(new StoreItem("350250", "Keyboard", "Wired", "Hp", 30));
items.Add(new StoreItem("332085", "Thumbdrive", "USB 2.0", "SanDisk", 10));
items.Add(new StoreItem("836360", "Thumbdrive", "USB 3.0", "SONY", 9));
// Save the StoreItems collection
using (FileStream stmStoreItem = new FileStream(strFileName,
FileMode.Create,
FileAccess.Write,
FileShare.Write))
{
bfmStoreItem.Serialize(stmStoreItem, items);
}
}
private void btnNewStoreItem_Click(object sender, EventArgs e)
{
lbxSubCategories.Items.Clear();
lvwAvailableItems.Items.Clear();
NewStoreItem nsi = new NewStoreItem();
StoreItem item = new StoreItem();
StoreItems <StoreItem> items = new StoreItems <StoreItem>();
BinaryFormatter bfmStoreItem = new BinaryFormatter();
// This is the file that holds the list of items
string strFileName = @"C:\Microsoft Visual C# Application Design\Computer Accessories Store\StoreItems.slm";
if (nsi.ShowDialog() == DialogResult.OK)
{
// Make sure the user had selected a category
if (string.IsNullOrEmpty(nsi.cbxCategories.Text))
{
MessageBox.Show("You must specify the item's category.",
"Computer Accessories Store",
MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
// Make sure the user had entered a name/description
if (string.IsNullOrEmpty(nsi.txtItemName.Text))
{
MessageBox.Show("You must enter the name (or a " +
"short description) for the item.",
"Computer Accessories Store",
MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
// Make sure the user had typed a price for the item
if (string.IsNullOrEmpty(nsi.txtUnitPrice.Text))
{
MessageBox.Show("You must enter the price of the item.",
"Computer Accessories Store",
MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
// Before saving the new item, find out if there was
// already a file that holds the list of items
// If that file exists, open it and store its items
// in our StoreItems list
if (File.Exists(strFileName))
{
using (FileStream stmStoreItem = new FileStream(strFileName,
FileMode.Open,
FileAccess.Read,
FileShare.Read))
{
// Retrieve the list of items from file
items = (StoreItems <StoreItem>)bfmStoreItem.Deserialize(stmStoreItem);
}
}
// Create the accessory item
item.ItemNumber = nsi.txtItemNumber.Text;
item.Category = nsi.cbxCategories.Text;
item.SubCategory = nsi.cbxSubCategories.Text;
item.ItemName = nsi.txtItemName.Text;
item.UnitPrice = double.Parse(nsi.txtUnitPrice.Text);
// Call the Add method of our collection class to add the item
items.Add(item);
// Save the StoreItems collection
using (FileStream stmStoreItem = new FileStream(strFileName,
FileMode.Create,
FileAccess.Write,
FileShare.Write))
{
bfmStoreItem.Serialize(stmStoreItem, items);
}
}
InitializeStoreItems();
}