public ActionResult AddPost(int id,Post post)
{
var blog = db.Blogs.FirstOrDefault(m => m.Id == id);
if (ModelState.IsValid)
{
blog.Posts.Add(post);
db.SaveChanges();
return RedirectToAction("Posts", new { id = blog.Id });
}
return View(blog);
}
public ActionResult EditPost(Post post)
{
if (ModelState.IsValid)
{
db.Entry(post).State = EntityState.Modified;
try
{
db.SaveChanges();
//post = db.Posts.Include(m=>m.Blog).FirstOrDefault(m => m.Id == post.Id);
////Reading original value of a property
//var orgBody = db.Entry(post).Property(m => m.Body).OriginalValue;
////Reading the current changed value
//var changedBody = db.Entry(post).Property(m => m.Body).CurrentValue;
////Check if the property is modified?
//var isBodyModified = db.Entry(post).Property(m => m.Body).IsModified;
////Returns all properties original values as DbPropertyValues
//var allOriginalValues=db.Entry(post).OriginalValues;
////Returns all properties current values as DbPropertyValues
//var allCurrentValues = db.Entry(post).CurrentValues;
////Get values from db as DbPropertyValues
//var dbValues = db.Entry(post).GetDatabaseValues();
////looping and displaying values
//foreach (var propName in dbValues.PropertyNames)
//{
// var propValue = dbValues[propName]; //returns object
// var propValue2 = dbValues.GetValue<string>(propName); //strongly typed
//}
////setting new values
//dbValues.SetValues(post);
return RedirectToAction("Posts", new { id = post.Blog.Id });
}
catch (DbUpdateConcurrencyException ex)
{
var entry = ex.Entries.SingleOrDefault();
var dbPost = entry.GetDatabaseValues().ToObject() as Post;
if (!dbPost.Title.Equals(post.Title))
{
ModelState.AddModelError("Title",string.Format( "Current Value : {0}", dbPost.Title));
}
if (!dbPost.Body.Equals(post.Body))
{
ModelState.AddModelError("Body",string.Format( "Current Value : {0}", dbPost.Body));
}
return View(post);
}
catch (Exception)
{
throw;
}
}
return View(post);
}
