ADO.NET :: Convert POCO To Proxy?
Jan 7, 2011In EF4, is it possible to convert a POCO object (created using new MyObject()) to a Dynamic Proxy (like you would get with ObjectContext.CreateObject())?
Using EF4 with T4 template for POCO.
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Dec 6, 2010I am using EF4 with POCO entities and having problems to update an existing item. In a webbapp I have an ajax function fetching an entity object from the database through EF4. Then i make some changes to it and when I try to update the record in the database I call the Attach-method but it is not saved. I guess this has something do with that I am not in the same context anymore...so my question is how to make an update of a previously fetched record if the context which was used to fetch record is disposed?
View 3 RepliesADO.NET :: Finding Replacement For POCO
Aug 18, 2010I need to know is there any way to separate the classes automatically created by Entity framework. I can not use POCO template. because I have restriction to use framework 4.0 for time being.
I am having VS 2008 Framework 3.5
Do I have any service packs which gives me POCO.
How To Add Validation To POCO(template) Classes
Feb 26, 2011So I used this tutorial to generate my poco classes which I am to use throughout my aplication.. the problem is that Im not supposed to modify the generated cs files cause they get autoregenerated... How do I add attributes like [Required] and stuff like that??
View 2 RepliesC# - How To Generate POCO Classes From A Database
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I am just looking to create the POCO classes that could be used with any ORM that supports it so my interface and model can remain independent.
ADO.NET :: Retrieving Parent (POCO) Class In WCF
Jan 11, 2011I have an interesting problem with a WCF Service I am creating. As background fodder my solultion uses MVC 3 RC2 as the web interface. I am developing the solution as an N-Tier application using the Entity Framework 4.0 with POCO Self Tracking Entities, repository and unit of work approach. I am using the STE's more as an advanced POCO since STE do not seem to play well as of yet in the real world as they were meant to and since they do seem to give me better interfacing with the DB through my layers still. Additionally, I am incorporating WCF into the solution as the backend for the models based on info I am reading and the fact that I will need to also access these services via a windows service app on the client computers.
So, I have a datastore which includes my edm and the repositories. The POCO STEs are generated in a separate layer in what I have called my Domain Models. Within my domain area I also have a Core app holding my utilities. I am currently incorporating an additional domain element as a WCF service using the RESTful template. This WCF will be servicing both my MVC controllers and a Windows Service app on the client computers.
Now, on to the problem: Within this solution I have an Entity Set of People (or Person?). Within that Entity set I have a chain of inherited entities as follows Person->User->StaffMember->Provider where Provider is the resultant child. Within my WCF I have a ProviderService, a StaffMemberService and a UserService. In each of these Services one of my OperationContracts is a Get(string id) amongst others. the Get(String id) contract is the one that is causing me problems. Within that Get(String id) contract I do the following for the User:
[Code]....
and for the Provider:
[Code]....
Now, what has gotten me completely confused is that the Provider one works like a charm. But if I use the UserService to call the User of the same Id (Since User is a base class for Provider, this should work) I get an error saying it was a bad service call. (The ProviderService, as stated works and returns all the correct data). When I debug it, the UserService Get(String id) function actually works as expected up to and through the return statement (ie the user variable actually contains all the proper data that I would expect on the call). It is only after the return that I get the web page giving me that error and points me to the help page for the service. (I am using the browser to view the results at this point only). </P><P>I am assuming it has something to do with serialization? But why is it displaying the derived class with all expected data, which yes does include the data not being displayed as a user data, I am calling the data using the same UserId. I am not expecting someone to inspect my code, but to be a traffic cop and point me in the direction I need to look.
C# - Difference Between POCO And Self Tracking Entities?
Jul 6, 2010I have POCO's in a separate project and now I need Self Tracking Entities. Does anyone know if I need to generate new POCO's that are self tracking and they will replace my current POCO's? Or, do I setup self tracking entities in addition to my current POCO's?
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Dec 23, 2010I am looking for a solid tutorial on using the Entity Framework with POCO (ie. not using the designer) using MySQL as the back-end. I am looking for something that is semi-in-depth covering stuff like attributes (like how to map a database table/field name to a class/field name that is different). Also I am looking for C#, not VB. Does anyone know of any such tutorials?
View 3 RepliesInheritance With POCO Entities In Entity Framework 4?
Mar 12, 2010I have a Consumer class and a BillableConsumer : Consumer class. When trying to do any operation on my "Consumers" set, I get the error message "Object mapping could not be found for Type with identity Models.BillableConsumer.
From the CSDL:
[code]....
Is this because I did not specifically add the BillableConsumer entity to the object set? How do I do that in a POCO scenario?
What Is The Alternative, Using POCO Classes In Combination With For Example AutoMapper
Sep 30, 2010Currently im using EF and using its datacontext directly in all of my actions, but since i started reading about loose coupling and testability im thinking that thats not the best way to go. Im trying to understand all the pro's and con's before i start refactor all my current code.
Problem 1:
Considering that every entity needs its own repository, and thus has to setup its own connection to a datasource (lets assume a database using EF), wouldnt that give alot of overhead if i need data from 5 different entities on a single page?
Problem 2:
What im seeing aswell in all the examples which i found online is that most people (even people like shanselman) implement the repository pattern using the entity classes which are generated by either LINQ or EF, doesn't this defeat the purpose of repository pattern with regards to loose coupling? On the other hand, what is the alternative, using POCO classes in combination with for example AutoMapper? (this scares me a little) Im hoping that a few people can shed some light on this, because im a bit confused at the moment if the repository pattern is the right choice for a website.
ADO.NET :: Write Custom Functionality To Access The Model (POCO) Metadata
Dec 7, 2010I was wondering if anyone can point me in the right direction? I have a POCO model and I am using Code First CTP. In my application, I set the database to be recreated whenever the model changes.
I would like to write custom functionality to access the model (POCO) metadata same way as EF sees it and use that to generate some source files (using T4). I would like to access the processed model not having to worry about finding properties that hold primary keys or any other conventions (implicit or not). What is the way to go about it?
State Management :: Insert Poco To Velocity Cache / Exclude ICollection From Serialization?
Aug 26, 2010I want to put POCO object to Velocity cache. How can I serializable ICollection to Velocity cache, or exclude ICollection from serialization?
I got this exception
Type 'System.Collections.Generic.ICollection`1[Model.Collection]' cannot be serialized. Consider marking it with the DataContractAttribute attribute, and marking all of its members you want serialized with the DataMemberAttribute attribute. If the type is a collection, consider marking it with the CollectionDataContractAttribute. See the Microsoft .NET Framework documentation for other supported types.
What Is A Proxy Web Service
May 12, 2010What is a proxy web service ?
View 1 RepliesHow To Call A Function From The Proxy
Jun 28, 2010I have created my proxy class from a wsdl file using
wsdl /out:myproxy.cs c:arcodework.wsdl
I have imported it into my windows service application written in c# .net and I want to call a function from the proxy.
It returns an error when I try to call any function from the proxy. How can I make my application to communicate with the proxy file which is myproxy.cs? Here is how the proxy file starts:
using System;
using System.ComponentModel;
using System.Diagnostics;
using System.Web.Services;
using System.Web.Services.Protocols;
using System.Xml.Serialization;
//
// This source code was auto-generated by wsdl, Version=2.0.50727.1432.
//
[System.CodeDom.Compiler.GeneratedCodeAttribute("wsdl", "2.0.50727.1432")]
[System.Diagnostics.DebuggerStepThroughAttribute()]
[System.ComponentModel.DesignerCategoryAttribute("code")]
[System.Web.Services.WebServiceBindingAttribute(Name="LifecycleSoapBinding", Namespace="http://service.myservice.workflow.services.barcodework.com")]
[System.Xml.Serialization.XmlIncludeAttribute(typeof(UserEdo))]
public partial class BarcodecycleServiceService : System.Web.Services.Protocols.SoapHttpClientProtocol {
...
etc.
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Do you think is a good idea that this conversion be done by the controller? In my opinion the controller is not the responsable to shape the incoming object from the proxy layer. This object should be returned by the proxy layer and the controller should pass it to the view directly.
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Feb 21, 2011We have nearly completed an ASP.NET MVC web application running with SSL in IIS and now find that we must integrate with a third-party product that is supplied as a PHP web app running under lightppd on an alternate port, but still on the same server.
We want to make the integration appear as seamless as possible, so our initial strategy is to do all of the authentication through our application, implement a reverse proxy to expose selected features from the third-party product, and then set-up the third-party product to only be accessible from localhost and (if we can manage it) only from the user our app pool runs as. As a second layer on top of this, we plan on running the third party active content in an IFRAME, so we can surround it with our menus and headers. With the right fonts and colors, hopefully, it won't look grossly out of place.
First question: Is this strategy totally naive? Given the hand we've been dealt, is there a better one?
Second question: What is the best way to implement the reverse proxy? I was thinking of using a routing rule with an Http Handler that invokes our usual authorization just as a controller would and makes the requests to the other site, streaming out the results it receives. Is there something that already does this generically, that I can just hook up and invoke? Maybe some way to specify a controller to handle everything I need to proxy and then use a ViewResult that represents a call to an external URL I construct from the URL I received?
If I can get a few pointers on what to look for, I can trot off to the docs for the details.
C# Webclient - Accessing Web Through Proxy Server?
Apr 21, 2010I am currently using C# and the webClient class to downloading and uploading images, data, see code below
[code]....
This works fine for a direct internet connection, but fails through a proxy server.
And giving the error "The remote server returned an error: (407) Proxy Authentication Required."
I have tried using the default credentials in the credentials property
[code]....
Proxy - Integrate Gmail In Web Application?
Jun 15, 2010I am using asp.net 3.5 with C#.I want to integrate gmail into my site, just like any widget so that, people can login there and can access their gmail account. Actually gmail is blocked in my organisation & I want to access it via proxy that I can integrate in my website.
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not with WSDL tool or VS Web reference
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