public List<Product> GetProductList()
{
List<Product> list = new List<Product>();
XmlTextReader reader = new XmlTextReader(dataFileName);
reader.MoveToContent();
XmlDocument doc = new XmlDocument();
doc.LoadXml(reader.ReadOuterXml());
XmlNodeList nodes = doc.SelectNodes("products/product");
foreach (XmlNode node in nodes)
{
Product product = new Product(node.Attributes["id"].Value,
node.Attributes["name"].Value,
Convert.ToDouble(node.Attributes["price"].Value));
list.Add(product);
}
reader.Close();
return list;
}
public Product GetProductByID(string anID)
{
Product product = null;
XmlTextReader reader = new XmlTextReader(dataFileName);
reader.MoveToContent();
XmlDocument doc = new XmlDocument();
doc.LoadXml(reader.ReadOuterXml());
XmlNode productNode = doc.SelectSingleNode("products/product[@id=" + anID + "]");
if (productNode != null)
{
product = new Product(productNode.Attributes["id"].Value,
productNode.Attributes["name"].Value,
Convert.ToDouble(productNode.Attributes["price"].Value));
}
reader.Close();
return product;
}
private void primitivesAddButton_Click(object sender, EventArgs e)
{
// Prompt the user to enter information about the product,
// as well as properties to use when adding it to the cache
if (this.enterNewItemForm.ShowDialog() == DialogResult.OK)
{
Product product = new Product(
this.enterNewItemForm.ProductID,
this.enterNewItemForm.ProductShortName,
this.enterNewItemForm.ProductPrice);
// Add the product to the cache, using the expiration and
// priority settings according to what the user entered.
switch (this.enterNewItemForm.Expiration)
{
case (ExpirationType.AbsoluteTime):
primitivesCache.Add(product.ProductID, product, enterNewItemForm.Priority, new ProductCacheRefreshAction(),
new AbsoluteTime(this.enterNewItemForm.AbsoluteTime));
break;
case (ExpirationType.ExtendedFormat):
primitivesCache.Add(product.ProductID, product, enterNewItemForm.Priority, new ProductCacheRefreshAction(),
new ExtendedFormatTime("0 0 * * *"));
break;
case (ExpirationType.FileDependency):
primitivesCache.Add(product.ProductID, product, enterNewItemForm.Priority, new ProductCacheRefreshAction(),
new FileDependency("DependencyFile.txt"));
break;
case (ExpirationType.SlidingTime):
primitivesCache.Add(product.ProductID, product, enterNewItemForm.Priority, new ProductCacheRefreshAction(),
new SlidingTime(TimeSpan.FromMinutes(1)));
break;
}
// Update the results text box to display information about the item just added
this.primitivesResultsTextBox.Text +=
string.Format(Resources.Culture, Resources.AddItemToCacheMessage, product.ProductID, product.ProductName, product.ProductPrice,
this.enterNewItemForm.Expiration.ToString(),
this.enterNewItemForm.Priority.ToString()) + Environment.NewLine;
AddScenarioSeparator(this.primitivesResultsTextBox);
}
}