protected void Page_Load(object sender, EventArgs e)
{
DBContext = new PostDbContext();
if (Page.IsPostBack)
{
PostValidator validator = new PostValidator();
Post entity = new Post()
{
// Map form fields to entity properties
Id = Convert.ToInt32(PostId.Value),
Title = PostTitle.Text.Trim(),
Body = PostBody.Text.Trim()
};
ValidationResult results = validator.Validate(entity);
if (results.IsValid)
{
// Save to the database and continue to the next page
DBContext.Posts.Add(entity);
DBContext.SaveChanges();
}
else
{
BulletedList summary = (BulletedList)FindControl("ErrorSummary");
// Display errors to the user
foreach (var failure in results.Errors)
{
Label errorMessage = FindControl(failure.PropertyName + "Error") as Label;
if (errorMessage == null)
{
summary.Items.Add(new ListItem(failure.ErrorMessage));
}
else
{
errorMessage.Text = failure.ErrorMessage;
}
}
}
}
else
{
// Display form
Post entity = DBContext.Posts.SingleOrDefault(p => p.Id == Convert.ToInt32(Request.QueryString["id"]));
PostBody.Text = entity.Body;
PostTitle.Text = entity.Title;
}
}
public void SavePost(Post post)
{
_dbContext.Posts.Add(post);
_dbContext.SaveChanges();
}