private void Button_Click_1(object sender, RoutedEventArgs e)
{
if (Regex.IsMatch(txtno.Text, "^[a-zA-Z]+$") && (Regex.IsMatch(txtCa.Text, "^[a-zA-Z]+$") &&
(Regex.IsMatch(txtCan.Text, @"^\d+$"))))
{
bdPrincipal bd = new bdPrincipal();
ProyectoFinal.MiBD.Productos prod = new ProyectoFinal.MiBD.Productos();
prod.NombreProdu = txtno.Text;
prod.Categoria = txtCa.Text;
prod.Cantidad = int.Parse(txtCan.Text);
bd.producto.Add(prod);
bd.SaveChanges();
MessageBox.Show("Datos almacenados correctamente");
}
else
{
MessageBox.Show("datos no validos");
}
Compras vb = new Compras();
vb.Show();
this.Close();
}
private void Button_Click_1(object sender, RoutedEventArgs e)
{
ProyectoFinal.MiBD.ProyectoFinal db = new ProyectoFinal.MiBD.ProyectoFinal();
Productos pro = new Productos();
pro.idProducto = int.Parse(pro1.Text);
pro.nomProducto = pro2.Text;
db.Producto.Add(pro);
db.SaveChanges();
MessageBox.Show("Datos correctamente guardados");
}
private void Button_Click_1(object sender, RoutedEventArgs e)
{
if (Regex.IsMatch(txtno.Text, "^[a-zA-Z]+$") && (Regex.IsMatch(txtCa.Text, "^[a-zA-Z]+$")
&& (Regex.IsMatch(txtCan.Text, @"^\d+$"))))
{
bdPrincipal bd = new bdPrincipal();
ProyectoFinal.MiBD.Productos prod = new ProyectoFinal.MiBD.Productos();
prod.NombreProdu = txtno.Text;
prod.Categoria = txtCa.Text;
prod.Cantidad = int.Parse(txtCan.Text);
bd.producto.Add(prod);
bd.SaveChanges();
MessageBox.Show("Datos almacenados correctamente");
}
else
{
MessageBox.Show("datos no validos");
}
Compras vb = new Compras();
vb.Show();
this.Close();
}
private void Buscar_Click(object sender, EventArgs e)
{
//buscar
if (Regex.IsMatch(textBox1.Text.Trim(), @"^\d+$"))
{
bdPrincipal db = new bdPrincipal();
//parse the product code as int from the TextBox
int idProd = int.Parse(textBox1.Text);
//We query the database for the product
MiBD.Productos p = db.producto.SingleOrDefault(x => x.idPro == idProd);
if (p != null) //if product was found
{
//store in a temp variable (if user clicks on add we will need this for the Array)
product = p;
//We display the product information on a label
label2.Text = string.Format("ID: {0}, Name: {1}, Price: {2}", p.idPro, p.NombreProdu, p.Categoria, p.Cantidad);
}
else
{
//if product was not found we display a user notification window
// MessageBox.Show("Product not found. (Only numbers allowed)", "Product code error", MessageBoxButton.OK, MessageBoxImage.Exclamation);
}
}
}
private void button3_Click(object sender, EventArgs e)
{
//guardar
//we make sure there is at least one item in the cart and a sales person has been selected
if (ShoppingCart.Count > 0 && comboBox1.SelectedIndex > -1)
{
//auto dispose after no longer in scope
using (bdPrincipal db = new bdPrincipal()){
//All database transactions are considered 1 unit of work
using (var dbTransaction = db.Database.BeginTransaction())
{
try {
//we create the invoice object
invoice inv = new invoice();
inv.SaleDate = DateTime.Now;
//assign sales person by querying the database using the Combobox selection
//comboBox1.SelectedIndex = 0;
inv.id =
db.Registro.SingleOrDefault(s => s.id == (int)comboBox1.SelectedValue);
//for each product in the shopping cart we query the database
foreach (var prod in ShoppingCart)
{
//get product record with id
MiBD.Productos p = db.producto.SingleOrDefault(i => i.idPro == prod.idPro);
//reduce inventory
int RemainingItems = p.Qty - prod.Qty >= 0 ? (p.Qty - prod.Qty) : p.Qty;
if (p.Qty == RemainingItems)
{
System.Windows.MessageBox.Show(
string.Format(
"Unable to sell Product #{0} not enough inventory, Do want to continue?",
p.idPro),
"Not Enough Inventory", MessageBoxButton.OK, MessageBoxImage.Asterisk);
//end transaction
dbTransaction.Rollback();
//exit procedure
return;
}
else
{
//If Qty is ok we sell the product
p.Qty = RemainingItems;
inv.SaleList.Add(p);
}
}
//we add the generated invoice to the Invoice Entity (Table)
db.invoices.Add(inv);
//Save Changed to the database
db.SaveChanges();
// Make the changes permanent
dbTransaction.Commit();
//We restore the form with defaults
CleanUp();
//Show confirmation message to the user
System.Windows.MessageBox.Show(string.Format("Transaction #{0} Saved", inv.invoiceId), "Success", MessageBoxButton.OK,
MessageBoxImage.Information);
}
catch
{
//if an error is produced, we rollback everything
dbTransaction.Rollback();
//We notify the user of the error
System.Windows.MessageBox.Show("Transaction Error, unable to generate invoice", "Fatal Error", MessageBoxButton.OK,
MessageBoxImage.Error);
}
}
}
}
else
{
System.Windows.MessageBox.Show("Please select at least one product and a Sales Person", "Data Error",
MessageBoxButton.OK, MessageBoxImage.Stop);
}
}
