private void LoadExistingProducts()
{
using (var db = new POSApplication.Model.posdbEntities())
{
string selectedCategoryName = ExistingCategoryList.GetItemText(ExistingCategoryList.SelectedItem);
var query = (from p in db.products
join c in db.categories on p.CategoryID equals c.CategoryID
//join s in db.suppliers on p.SupplierID equals s.SupplierID
where c.CategoryName == selectedCategoryName
select new { ProductName = p.ProductName, ProductDescription = p.ProductDescription, Barcode = p.Barcode, ImageFile = p.ImageFileName, SupplierID = p.SupplierID }).ToList();
//ExistingProductList.Items.Clear();
int a = 0;
foreach (var item in query)
{
if (a == 0)
{
var supp = (from s in db.suppliers
where s.SupplierID == item.SupplierID
select new { SupplierName = s.SupplierName }).SingleOrDefault();
//ExistingProductList.Text = item.ProductName;
//ExistingDescriptionField.Text = item.ProductDescription;
//if(supp != null)
//{
// ExistingSupplierField.Text = supp.SupplierName;
//}
//else
//{
// ExistingSupplierField.Text = "No Supplier";
//}
//ExistingBarcodeField.Text = item.Barcode;
//if(item.ImageFile != null)
//{
// FileStream fs = new FileStream(item.ImageFile, System.IO.FileMode.Open, System.IO.FileAccess.Read);
// ExistingProductImage.Image = Image.FromStream(fs);
// fs.Close();
//}
}
//ExistingProductList.Items.Add(item.ProductName);
a += 1;
}
}
}
private void ExistingCategoryList_SelectedIndexChanged_1(object sender, EventArgs e)
{
var SelectedCategory = ExistingCategoryList.GetItemText(ExistingCategoryList.SelectedItem);
using (var db = new POSApplication.Model.posdbEntities())
{
var query = (from d in db.products
join c in db.categories on
d.CategoryID equals c.CategoryID
where c.CategoryName == SelectedCategory
select new
{
CategoryName = c.CategoryName,
ProductName = d.ProductName
}).ToList();
ExistingProductsList.Items.Clear();
foreach (var item in query)
{
ExistingProductsList.Items.Add(item.ProductName);
}
}
}
private void ExistingProductsList_DoubleClick(object sender, EventArgs e)
{
clearFields();
using (var db = new POSApplication.Model.posdbEntities())
{
var ExistingProduct = ExistingProductsList.GetItemText(ExistingProductsList.SelectedItem);
selectedProductName = ExistingProduct;
var query = (from d in db.products
//join s in db.suppliers on
//d.SupplierID equals s.SupplierID
where d.ProductName == ExistingProduct
select new
{
ProductName = d.ProductName,
ProductDescription = d.ProductDescription,
//SupplierName = s == null ? "No Supplier" : s.SupplierName,
Barcode = d.Barcode,
WarrantyYears = d.WarrantyPeriodYears,
GuaranteeYears = d.GuaranteePeriodYears,
ProductCode = d.ProductCode,
Size = d.ProductSize,
Width = d.ProductWidth,
Height = d.ProductHeight,
Weight = d.ProductWeight,
Color = d.ProductColor,
Image = d.ImageFileName
}).SingleOrDefault();
var supplierQuery = (from d in db.products
join s in db.suppliers on
d.SupplierID equals s.SupplierID
where d.ProductName == ExistingProduct
select new
{
SupplierName = s == null ? "No Supplier" : s.SupplierName
}).SingleOrDefault();
CategoryList.Text = ExistingCategoryList.GetItemText(ExistingCategoryList.SelectedItem);
ProductNameField.Text = query.ProductName;
ProductDescriptionField.Text = query.ProductDescription;
ProductCodeField.Text = query.ProductCode;
if (supplierQuery != null)
{
SuppliersList.Text = supplierQuery.SupplierName;
}
else
{
SuppliersList.Text = "No Supplier";
}
ProductBarcodeField.Text = query.Barcode;
WarrantyField.Text = query.WarrantyYears;
GuaranteeField.Text = query.GuaranteeYears;
SizeField.Text = query.Size;
WidthField.Text = query.Width;
WeightField.Text = query.Weight;
HeightField.Text = query.Height;
ColorField.Text = query.Color;
if (query.Image != null)
{
try
{
string ImagesDirectory = Path.Combine(Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location), "Images");
//Console.WriteLine(ImagesDirectory + "\\" + query.Image);
filename = ImagesDirectory + "\\" + query.Image;
FileStream fs = new FileStream(filename, System.IO.FileMode.Open, System.IO.FileAccess.Read);
ProductImage.Image = Image.FromStream(fs);
fs.Close();
}
catch
{
}
}
}
}
private void ExistingProductsList_DoubleClick(object sender, EventArgs e)
{
if (ExistingProductsList.SelectedItem != null)
{
clearFields();
using (var db = new POSApplication.Model.posdbEntities())
{
var ExistingProduct = ExistingProductsList.GetItemText(ExistingProductsList.SelectedItem);
int productid = getProductID(ExistingProduct);
selectedProductName = ExistingProduct;
DateTime lowdate = DateTime.Parse("1111/11/11");
var query = (from d in db.inventories
join p in db.products on
d.ProductID equals p.ProductID
join c in db.categories on
p.CategoryID equals c.CategoryID
where d.ProductID == productid && d.UpdateDt == null
orderby d.PurchasePrice descending
select new
{
CategoryName = c.CategoryName,
ProductName = p.ProductName,
Barcode = p.Barcode,
Quantity = d.SumQuantity,
//ReorderLevel = d.ReorderValue,
LastCostPrice = d.PurchasePrice,
SalePrice = d.SalePrice,
LastPurchaseDate = d.PurchaseDate,
Imagepath = p.ImageFileName
}).FirstOrDefault();
CategoryList.Text = ExistingCategoryList.GetItemText(ExistingCategoryList.SelectedItem);
ProductNameField.Text = query.ProductName;
BarCodeField.Text = query.Barcode;
var results =
(from item in db.inventories
where item.ProductID == productid && item.UpdateDt == null
group item by item.ProductID into g
select new { totalQuantity = g.Sum(item => item.SumQuantity) }).SingleOrDefault();
//QuantityField.Text = query.Quantity.ToString();
QuantityField.Text = results.totalQuantity.ToString();
//ReOrderLevelField.Text = query.ReorderLevel.ToString();
CostPriceField.Text = query.LastCostPrice.ToString();
SalePriceField.Text = query.SalePrice.ToString();
PurchaseDateField.Text = query.LastPurchaseDate.ToString();
if (query.Imagepath != null)
{
try
{
string ImagesDirectory = Path.Combine(Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location), "Images");
Console.WriteLine(ImagesDirectory + "\\" + query.Imagepath);
FileStream fs = new FileStream(ImagesDirectory + "\\" + query.Imagepath, System.IO.FileMode.Open, System.IO.FileAccess.Read);
ProductImage.Image = Image.FromStream(fs);
fs.Close();
}
catch
{
}
}
}
}
}
