protected void Button1_Click(object sender, EventArgs e)
{
bool isAlreadyExists;
var author = new Author
{
Name = Name.Text,
Surname = Surname.Text
};
using (var context = new BookerContext())
{
isAlreadyExists = context.Authors.FirstOrDefault(x => x.Name == author.Name && x.Surname == author.Surname) != null;
if (!isAlreadyExists)
{
context.Authors.Add(author);
context.SaveChanges();
}
}
if (isAlreadyExists)
{
Response.Redirect(Request.Url.AbsoluteUri.Substring(0,
Request.Url.AbsoluteUri.Count() - Request.Url.Query.Count()) + "?authorAction=exist");
}
else
{
Response.Redirect(Request.Url.AbsoluteUri.Substring(0,
Request.Url.AbsoluteUri.Count() - Request.Url.Query.Count()) + "?authorAction=add");
}
}
protected void Button1_Click(object sender, EventArgs e)
{
bool isAlreadyExists;
using (var context = new BookerContext())
{
var book = new Book
{
Title = tbTitle.Text,
Year = Int32.Parse(tbYear.Text),
Author = context.Authors.Find(Int32.Parse(AuthorList.SelectedItem.Value))
};
isAlreadyExists = context.Books.FirstOrDefault(x => x.Title == book.Title && x.Year == book.Year && x.AuthorId == book.AuthorId) != null;
if (!isAlreadyExists)
{
context.Books.Add(book);
context.SaveChanges();
}
}
if (isAlreadyExists)
{
Response.Redirect(Request.Url.AbsoluteUri.Substring(0,
Request.Url.AbsoluteUri.Count() - Request.Url.Query.Count()) + "?bookAction=exist");
}
else
{
Response.Redirect(Request.Url.AbsoluteUri.Substring(0,
Request.Url.AbsoluteUri.Count() - Request.Url.Query.Count()) + "?bookAction=add");
}
}