Exemple #1
0
 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");
     }
 }
Exemple #2
0
 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");
     }
 }