public virtual T Update(T t, object key)
{
if (t == null)
{
return(null);
}
T exist = _context.Set <T>().Find(key);
if (exist != null)
{
_context.Entry(exist).CurrentValues.SetValues(t);
_context.SaveChanges();
}
return(exist);
}
public IHttpActionResult PutIssue(int id, Issue issue)
{
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
if (id != issue.ID)
{
return(BadRequest());
}
db.Entry(issue).State = EntityState.Modified;
try
{
db.SaveChanges();
}
catch (DbUpdateConcurrencyException)
{
if (!IssueExists(id))
{
return(NotFound());
}
throw;
}
return(StatusCode(HttpStatusCode.NoContent));
}
void OnValidateRowDeletion(System.Object sender, DevExpress.Mvvm.Xpf.EditFormValidateRowDeletionArgs e)
{
var key = (int)e.Keys.Single();
var item = new Issue()
{
Id = key
};
var context = new IssuesContext();
context.Entry(item).State = EntityState.Deleted;
context.SaveChanges();
}
public void ValidateRowDeletion(DevExpress.Mvvm.Xpf.EditFormValidateRowDeletionArgs args)
{
var key = (int)args.Keys.Single();
var item = new Issue()
{
Id = key
};
var context = new IssuesContext();
context.Entry(item).State = EntityState.Deleted;
context.SaveChanges();
}
void OnCreateEditEntityViewModel(System.Object sender, DevExpress.Mvvm.Xpf.CreateEditItemViewModelArgs e)
{
var context = new IssuesContext();
Issue item;
if (e.IsNewItem)
{
item = new Issue()
{
Created = DateTime.Now
};
context.Entry(item).State = EntityState.Added;
}
else
{
item = context.Issues.Find(e.Key);
}
e.ViewModel = new EditItemViewModel(
item,
new EditIssueInfo(context, (IList)usersLookup.ItemsSource),
title: (e.IsNewItem ? "New " : "Edit ") + nameof(Issue)
);
}
public void CreateEditEntityViewModel(DevExpress.Mvvm.Xpf.CreateEditItemViewModelArgs args)
{
var context = new IssuesContext();
Issue item;
if (args.IsNewItem)
{
item = new Issue()
{
Created = DateTime.Now
};
context.Entry(item).State = EntityState.Added;
}
else
{
item = context.Issues.Find(args.Key);
}
args.ViewModel = new EditItemViewModel(
item,
new EditIssueInfo(context, Users),
title: (args.IsNewItem ? "New " : "Edit ") + nameof(Issue)
);
}
