private void btnSave_Click(object sender, EventArgs e)
{
try
{
Books books = new Books();
books.AuthorId = Int32.Parse(txtAuthorId.Text);
books.PublisherId = Int32.Parse(txtPublisherId.Text);
books.Title = txtTitle.Text;
books.ISBN = txtISBN.Text;
books.Genre = txtGenre.Text;
books.Type = txtType.Text;
books.PublicationYear = txtPubYear.Text;
books.Price = Int32.Parse(txtPrice.Text);
books.Condition = txtCondition.Text;
BookLotEntities lotEntities = new BookLotEntities();
lotEntities.Books.Add(books);
lotEntities.SaveChanges();
}
catch (Exception ex)
{
MessageBox.Show("Empty format");
}
}
private void btnAuthor_Click(object sender, EventArgs e)
{
using (var context = new BookLotEntities())
{
IQueryable <Books> books = context.Books;
IQueryable <Authors> authors = context.Authors;
string value = txtQuery.Text;
txtQuery.Text = (from d in context.Books
join d1 in context.Authors
on d.AuthorId equals d1.AuthorId
join d2 in context.OrderItems
on d.BookId equals d2.BookId
join d3 in context.Orders
on d.BookId equals d3.OrderItems.BookId
where d1.AuthorLastName.StartsWith(value)
select new
{
d3.OrderItems.Books.Authors.AuthorFirstName,
d.Genre,
d.Condition,
d.ISBN,
d.Price,
d.PublicationYear,
d.Title,
d.AuthorId
}).ToList().ToString();
}
}
private void btnGenre_Click(object sender, EventArgs e)
{
using (var context = new BookLotEntities())
{
try
{
string value = txtQuery.Text;
txtQuery.Text = (from d in context.Books
where d.Genre.StartsWith(value)
select new
{
d.Genre,
d.BookId,
d.Condition,
d.ISBN,
d.Price,
d.PublicationYear,
d.Title,
d.AuthorId
}).FirstOrDefault().ToString();
}
catch (Exception ex)
{
MessageBox.Show("Not Contain");
}
}
}
private void txtBksTitle_Click(object sender, EventArgs e)
{
using (var context = new BookLotEntities())
{
//foreach (Books c in context.Books)
//{
// cboBooks.Items.Add(c.Title);
//}
var source = context.Books.ToList();
cboBooks.DataSource = source;
//cboBooks.BindingContext=this.BindingContext();
cboBooks.ValueMember = "BookId";
cboBooks.DisplayMember = "Title";
//cboBooks.DisplayMember = "Genre";
cboBooks.Invalidate();
cboBooks.DataBindings.Clear();
//cboBooks.SelectedValueChanged += new EventHandler(cboBooks_SelectedValueChanged);
txtAuthorId.DataBindings.Add("Text", source, "AuthorId", true);
txtPublisherId.DataBindings.Add("Text", source, "PublisherId", true);
txtTitle.DataBindings.Add("Text", source, "Title", true);
txtISBN.DataBindings.Add("Text", source, "ISBN", true);
txtBooksId.DataBindings.Add("Text", source, "BookID");
txtGenre.DataBindings.Add("Text", source, "Genre", true);
txtType.DataBindings.Add("Text", source, "Type", true);
txtPubYear.DataBindings.Add("Text", source, "PublicationYear");
txtPrice.DataBindings.Add("Text", source, "Price", true);
txtCondition.DataBindings.Add("Text", source, "Condition", true);
}
}
private void updateOrders_Click(object sender, EventArgs e)
{
using (var context = new BookLotEntities())
{
int orderId = Int32.Parse(txt_OrderId.Text);
Orders orders = context.Orders.Find(orderId);
if (orders != null)
{
try
{
orders.OrderId = Int32.Parse(txt_OrderId.Text);
orders.CustId = Int32.Parse(txtCustId.Text);
orders.Subtotal = Int32.Parse(txtSubtotal.Text);
orders.Shipping = txtShipping.Text;
orders.OrderDate = DateTime.Now;
orders.Total = orders.Subtotal / 100 * 120;
txtTotal.Text = (orders.Subtotal / 100 * 120).ToString();
context.SaveChanges();
}
catch (Exception ex)
{
MessageBox.Show("Just format is bad :)");
}
}
}
}
private void btnNew_Click(object sender, EventArgs e)
{
using (var context = new BookLotEntities())
{
try
{
string value = txtQuantity.Text;
txtQuery.Text = (from item in context.Books
where item.PublicationYear == "2019"
select new
{
item.BookId,
item.Condition,
item.AuthorId,
item.Genre,
item.ISBN,
item.Price,
item.PublicationYear,
item.PublisherId,
item.Title
}).FirstOrDefault().ToString();
//var books = context.Books.SqlQuery("Select * from Books where PublicationYear = 2019 ").FirstOrDefault<Books>();
//txtQuery.Text = books.ToString();
}
catch (Exception ex)
{
MessageBox.Show("Dont contain in db");
}
}
}
private void button6_Click(object sender, EventArgs e)
{
using (var context = new BookLotEntities())
{
var items = (from d in context.Orders
join d1 in context.OrderItems
on d.OrderId equals d1.OrderId
join d2 in context.Books
on d1.BookId equals d2.BookId
join d3 in context.Authors
on d2.AuthorId equals d3.AuthorId
//group d1.Quantity by d3.AuthorLastName into g
//orderby g.Sum() descending
//where d.BookId == d1.BookId
//where d.OrderDate == DbFunctions.AddDays(d.OrderDate, +7)
where (d.Total == d.OrderItems.Quantity ||
d.OrderId == d.OrderItems.OrderId ||
d.OrderId == d.OrderItems.Price ||
DateTime.Now <= DbFunctions.AddDays(d.OrderDate, -30))
select new
{
d.OrderId,
d3.AuthorLastName,
d3.AuthorFirstName
}).Take(5).ToList();
foreach (var item in items)
{
listView1.Items.Add(item.AuthorFirstName);
listView1.Items.Add(item.AuthorLastName);
}
}
//using (var context = new BookLotEntities())
//{
// var items = (from item in context.Orders
// group item.OrderDate by item.OrderItems.Books.Authors.AuthorLastName into g
// orderby g.FirstOrDefault() descending
// select new
// {
// g.Key.,
// g.Key.AuthorFirstName,
// g.Key.AuthorLastName
// }).Take(5).ToList();
// foreach (var item in items)
// {
// listView1.Items.Add(item.AuthorFirstName);
// listView1.Items.Add(item.AuthorLastName);
// listView1.Items.Add(item.AuthorId.ToString());
// }
//}
}
private void btnSale_Click(object sender, EventArgs e)
{
using (var context = new BookLotEntities())
{
txtPrice.Text = (from d in context.Books
join d1 in context.SalesBook on d.BookId equals d1.BookId
where d.BookId == d1.BookId
select new { Price = d.Price / 100 * 90,
BookId = d.BookId }).FirstOrDefault().ToString();
}
}
public List <object> GetList()
{
using (var context = new BookLotEntities())
{
var result = (from item in context.OrderItems
group item.Quantity by item.Books into g
orderby g.Sum() descending
select g.Key);
return(result.Cast <object>().ToList());
}
}
private void btnRemove_Click(object sender, EventArgs e)
{
int bookId = Int32.Parse(txtBooksId.Text);
using (var context = new BookLotEntities())
{
Books booksToDelete = new Books()
{
BookId = bookId
};
context.Entry(booksToDelete).State = EntityState.Deleted;
context.SaveChanges();
}
}
private void btnDelete_Click(object sender, EventArgs e)
{
int orderItem = Int32.Parse(txtOrderId.Text);
using (var context = new BookLotEntities())
{
OrderItems ordersToDelete = new OrderItems()
{
OrderId = orderItem
};
context.Entry(ordersToDelete).State = EntityState.Deleted;
context.SaveChanges();
}
}
private void btnUpdate_Click(object sender, EventArgs e)
{
//using (var repo = new BooksRepo())
//{
// int bookId = Int32.Parse(txtBooksId.Text);
// var booksToUpdate = repo.GetOne(bookId);
// if (booksToUpdate != null)
// {
// booksToUpdate.BookId = Int32.Parse(txtBooksId.Text);
// booksToUpdate.AuthorId = Int32.Parse(txtAuthorId.Text);
// booksToUpdate.PublisherId = Int32.Parse(txtAuthorId.Text);
// booksToUpdate.Title = txtTitle.Text;
// booksToUpdate.ISBN = txtISBN.Text;
// booksToUpdate.Genre = txtGenre.Text;
// booksToUpdate.Type = txtType.Text;
// booksToUpdate.PublicationYear = txtPubYear.Text;
// booksToUpdate.Price = Int32.Parse(txtPrice.Text);
// booksToUpdate.Condition = txtCondition.Text;
// repo.Save(booksToUpdate);
// }
//}
using (var context = new BookLotEntities())
{
try
{
int bookId = Int32.Parse(txtBooksId.Text);
Books booksToUpdate = context.Books.Find(bookId);
if (booksToUpdate != null)
{
booksToUpdate.BookId = Int32.Parse(txtBooksId.Text);
booksToUpdate.AuthorId = Int32.Parse(txtAuthorId.Text);
booksToUpdate.PublisherId = Int32.Parse(txtAuthorId.Text);
booksToUpdate.Title = txtTitle.Text;
booksToUpdate.ISBN = txtISBN.Text;
booksToUpdate.Genre = txtGenre.Text;
booksToUpdate.Type = txtType.Text;
booksToUpdate.PublicationYear = txtPubYear.Text;
booksToUpdate.Price = Int32.Parse(txtPrice.Text);
booksToUpdate.Condition = txtCondition.Text;
context.SaveChanges();
}
}
catch (Exception ex)
{
MessageBox.Show("Empty format, try again");
}
}
}
private void btnRemoveAction_Click(object sender, EventArgs e)
{
int salesItem = Int32.Parse(txtSalesBookId.Text);
using (var context = new BookLotEntities())
{
SalesBook booksToDelete = new SalesBook()
{
SalesBookId = salesItem
};
context.Entry(booksToDelete).State = EntityState.Deleted;
context.SaveChanges();
}
}
private void btnSaveOrders_Click(object sender, EventArgs e)
{
Orders orders = new Orders();
orders.OrderId = Int32.Parse(txt_OrderId.Text);
orders.CustId = Int32.Parse(txtCustId.Text);
orders.Subtotal = Decimal.Parse(txtSubtotal.Text);
orders.Shipping = txtShipping.Text;
orders.OrderDate = DateTime.Now;
orders.Total = orders.Subtotal / 100 * 120;
txtTotal.Text = (orders.Subtotal / 100 * 120).ToString();
BookLotEntities lotEntities = new BookLotEntities();
lotEntities.Orders.Add(orders);
lotEntities.SaveChanges();
}
private void button3_Click(object sender, EventArgs e)
{
using (var context = new BookLotEntities())
{
var items = (context.Books.ToList());
foreach (var item in items)
{
listView1.Items.Add(item.AuthorId.ToString());
listView1.Items.Add(item.BookId.ToString());
listView1.Items.Add(item.Condition);
listView1.Items.Add(item.Genre);
listView1.Items.Add(item.ISBN);
listView1.Items.Add(item.Price.ToString());
listView1.Items.Add(item.PublicationYear);
listView1.Items.Add(item.Title);
}
}
}
private void btnSetPrice_Click(object sender, EventArgs e)
{
using (var context = new BookLotEntities())
{
//var price = from d in context.Books
// join d1 in context.OrderItems on d.BookId equals d1.BookId
// //where context.Books.
// select new {Price= d.Price };
//txtBooksId.Text= ( from d in context.Books
// where d.BookId==3
// select d.Price).FirstOrDefault().ToString();
txt_Price.Text = (from d in context.Books
join d1 in context.OrderItems on d.BookId equals d1.BookId
where d.BookId == d1.BookId
select d.Price).Any().ToString();
}
}
private void btnSaveAction_Click(object sender, EventArgs e)
{
try
{
SalesBook sales = new SalesBook();
sales.SalesBookId = Int32.Parse(txtSalesBookId.Text);
sales.TitleAction = txtTitleAction.Text;
sales.BookId = Int32.Parse(txt_BookId.Text);
BookLotEntities lotEntities = new BookLotEntities();
lotEntities.SalesBook.Add(sales);
lotEntities.SaveChanges();
}
catch (Exception ex)
{
MessageBox.Show("Bad Format");
}
}
private void btn_Save_Click(object sender, EventArgs e)
{
OrderItems orderItem = new OrderItems();
Books books = new Books();
orderItem.OrderId = Int32.Parse(txtOrderId.Text);
orderItem.BookId = Int32.Parse(txtBookId.Text);
orderItem.Quantity = Int32.Parse(txtQuantity.Text);
orderItem.Price = Decimal.Parse(txt_Price.Text);
//orderItem.Price = books.Price;
//txtTotal.Text = (orders.Subtotal / 100 * 120).ToString();
BookLotEntities lotEntities = new BookLotEntities();
lotEntities.OrderItems.Add(orderItem);
lotEntities.SaveChanges();
}
private void btnBestSeller_Click(object sender, EventArgs e)
{
using (var context = new BookLotEntities())
{
var items = (from item in context.OrderItems
group item.Quantity by item.Books into g
orderby g.Sum() descending
select new
{ g.Key.Price,
g.Key.Title,
g.Key.Authors.AuthorFirstName,
g.Key.Publishers.PublisherName }).Take(5).FirstOrDefault().ToString();
foreach (var item in items)
{
txtQuery.Text = items.ToString();
}
}
}
private void button1_Click_1(object sender, EventArgs e)
{
using (var context = new BookLotEntities())
{
var items = (from item in context.OrderItems
group item.Quantity by item.Books.Authors into g
orderby g.Sum() descending
select new
{
g.Key.AuthorId,
g.Key.AuthorFirstName,
g.Key.AuthorLastName
}).Take(5).FirstOrDefault().ToString();
foreach (var item in items)
{
txtQuery.Text = items.ToString();
}
}
}
private void btnDeleteOrders_Click(object sender, EventArgs e)
{
try
{
int orderItem = Int32.Parse(txt_OrderId.Text);
using (var context = new BookLotEntities())
{
Orders ordersToDelete = new Orders()
{
OrderId = orderItem
};
context.Entry(ordersToDelete).State = EntityState.Deleted;
context.SaveChanges();
}
}
catch (Exception ex)
{
MessageBox.Show("Bad Format");
}
}
private void btnOrdersDB_Click(object sender, EventArgs e)
{
using (var context = new BookLotEntities())
{
var source = context.Orders.ToList();
cboOrders.DataSource = source;
cboOrders.ValueMember = "OrderId";
cboOrders.DisplayMember = "OrderId";
cboOrderItem.Invalidate();
cboOrderItem.DataBindings.Clear();
txt_OrderId.DataBindings.Add(new Binding("Text", source, "OrderId", true));
txtCustId.DataBindings.Add(new Binding("Text", source, "CustId", true));
txtSubtotal.DataBindings.Add(new Binding("Text", source, "Subtotal", true));
txtShipping.DataBindings.Add(new Binding("Text", source, "Shipping", true));
txtTotal.DataBindings.Add(new Binding("Text", source, "Total", true));
}
}
private void btn_Update_Click(object sender, EventArgs e)
{
using (var context = new BookLotEntities())
{
int orderId = Int32.Parse(txtOrderId.Text);
OrderItems ordersToUpdate = context.OrderItems.Find(orderId);
if (ordersToUpdate != null)
{
ordersToUpdate.OrderId = Int32.Parse(txtOrderId.Text);
ordersToUpdate.BookId = Int32.Parse(txtBookId.Text);
ordersToUpdate.Quantity = Int32.Parse(txtQuantity.Text);
decimal result;
ordersToUpdate.Price = Decimal.Parse(txt_Price.Text);
context.SaveChanges();
}
}
}
private void btnSalesItemDB_Click(object sender, EventArgs e)
{
using (var context = new BookLotEntities())
{
var source = context.SalesBook.ToList();
cboSalesItem.DataSource = source;
cboSalesItem.ValueMember = "SalesBookId";
cboSalesItem.DisplayMember = "TitleAction";
cboSalesItem.Invalidate();
cboSalesItem.DataBindings.Clear();
txtSalesBookId.DataBindings.Add("Text", source, "SalesBookId", true);
txtTitleAction.DataBindings.Add("Text", source, "TitleAction", true);
txt_BookId.DataBindings.Add("Text", source, "BookId", true);
//txtSalesBookId.DataBindings.Clear();
//txtTitleAction.DataBindings.Clear();
//txt_BookId.DataBindings.Clear();
}
}
private void button2_Click(object sender, EventArgs e)
{
using (var context = new BookLotEntities())
{
var items = (from item in context.OrderItems
group item.Quantity by item.Books.Authors into g
orderby g.Sum() descending
select new
{
g.Key.AuthorId,
g.Key.AuthorFirstName,
g.Key.AuthorLastName
}).Take(5).ToList();
foreach (var item in items)
{
listView1.Items.Add(item.AuthorFirstName);
listView1.Items.Add(item.AuthorLastName);
listView1.Items.Add(item.AuthorId.ToString());
}
}
}
private void button4_Click(object sender, EventArgs e)
{
using (var context = new BookLotEntities())
{
var items = (from d in context.OrderItems
join d1 in context.Books
on d.BookId equals d1.BookId
where d.BookId == d1.BookId
select new
{
d.Books.Authors.AuthorFirstName,
d1.Authors.AuthorLastName
}).Take(5).ToList();
foreach (var item in items)
{
listView1.Items.Add(item.AuthorFirstName);
listView1.Items.Add(item.AuthorLastName);
}
}
}
private void btnUpdateAction_Click(object sender, EventArgs e)
{
using (var context = new BookLotEntities())
{
int salesBookId = Int32.Parse(txtSalesBookId.Text);
SalesBook sales = context.SalesBook.Find(salesBookId);
if (sales != null)
{
try
{
sales.SalesBookId = Int32.Parse(txtSalesBookId.Text);
sales.TitleAction = txtTitleAction.Text;
sales.BookId = Int32.Parse(txt_BookId.Text);
context.SaveChanges();
}
catch (Exception ex)
{
MessageBox.Show("Just format is bad :)");
}
}
}
}
private void btnAddDB_Click(object sender, EventArgs e)
{
using (var context = new BookLotEntities())
{
var source = context.OrderItems.ToList();
cboOrderItem.DataSource = source;
cboOrderItem.ValueMember = "OrderId";
cboOrderItem.DisplayMember = "OrderId";
cboOrderItem.Invalidate();
//cboOrderItem.DataSource = null;
cboOrderItem.DataBindings.Clear();
cboOrderItem.DataSource = source;
txtOrderId.DataBindings.Add(new Binding("Text", source, "OrderId", true));
//txtOrderId.Clear();
//txtOrderId.Refresh();
txtBookId.DataBindings.Add(new Binding("Text", source, "BookId", true));
txtQuantity.DataBindings.Add(new Binding("Text", source, "Quantity", true));
txt_Price.DataBindings.Add(new Binding("Text", source, "Price", true));
}
}
