protected void CreateBook_Click(object sender, EventArgs e)
{
BookCreate.DataSource = new List <Book> {
new Book {
Title = string.Empty
}
};
BookCreate.DataBind();
}
protected void SaveCreate_Click(object sender, EventArgs e)
{
var title = (BookCreate.FindControl("BookTitle") as TextBox).Text;
var authors = (BookCreate.FindControl("BookAuthors") as TextBox).Text;
var ISBN = (BookCreate.FindControl("BookIsbn") as TextBox).Text;
var site = (BookCreate.FindControl("BookSite") as TextBox).Text;
var description = (BookCreate.FindControl("BookDescription") as TextBox).Text;
var categoryId = int.Parse((BookCreate.FindControl("BookCategory") as DropDownList).SelectedValue);
if (string.IsNullOrEmpty(title))
{
Error_Handler_Control.ErrorSuccessNotifier.AddErrorMessage("Title cannot be empty");
return;
}
else if (title.Length < 5 || title.Length > 50)
{
Error_Handler_Control.ErrorSuccessNotifier.AddErrorMessage("Title must be between 5 and 50 symbols");
return;
}
else if (string.IsNullOrEmpty(authors))
{
Error_Handler_Control.ErrorSuccessNotifier.AddErrorMessage("Authors cannot be empty");
return;
}
else if (authors.Length < 5 || authors.Length > 50)
{
Error_Handler_Control.ErrorSuccessNotifier.AddErrorMessage("Authors must be between 5 and 50 symbols");
return;
}
else if (ISBN.Length > 50)
{
Error_Handler_Control.ErrorSuccessNotifier.AddErrorMessage("ISBN must be less than 50 symbols");
return;
}
else if (site.Length > 50)
{
Error_Handler_Control.ErrorSuccessNotifier.AddErrorMessage("ISBN must be less than 50 symbols");
return;
}
else if (description.Length > 2000)
{
Error_Handler_Control.ErrorSuccessNotifier.AddErrorMessage("Description must be less than 2000 symbols");
return;
}
else if (categoryId == -1)
{
Error_Handler_Control.ErrorSuccessNotifier.AddErrorMessage("Authors cannot be empty");
return;
}
LibrarySystemDbContext context = new LibrarySystemDbContext();
context.Books.Add(new Book
{
Title = title,
Authors = authors,
ISBN = ISBN,
WebSite = site,
Description = description,
CategoryId = categoryId
});
context.SaveChanges();
BookCreate.DataSource = null;
BookCreate.DataBind();
BooksGrid.DataBind();
}
protected void CancelCreate_Click(object sender, EventArgs e)
{
BookCreate.DataSource = null;
BookCreate.DataBind();
}