1. I have created Test Class which contain Static Class and Property.
namespace QSys.Data.Domain.DataSecurity
{
public static class TestData
{
public static string MyName { get; set; }
}
}
2. Customer Model class and Custom Validation
namespace QSys.Data.Domain
{
[Serializable()]
public class Customer
{
[Key]
public virtual int Id { get; set; }
[CustomValidation(typeof(CustomerRequiredRules), "IsCompanyNameEmpty")]
public virtual string CompanyName { get; set; }
public virtual string City { get; set; }
}
public class CustomerRequiredRules
{
public static ValidationResult IsCompanyNameEmpty(string CompanyName, ValidationContext context)
{
if (TestData.MyName == "Imdadhusen")
{
return new ValidationResult("Company name not allowed!", new string[] { "CompanyName" });
}
return ValidationResult.Success;
}
}
}
3. Setting value of Static class like
public class AdminHomeViewModel
{
public AdminHomeViewModel()
{
TestData.MyName = "Imdadhusen";
}
}
4. I click on submit button, my custom validation getting fired and here i couldn't able to get value of TestData.MyName. it will display Null instead of Imdadhusen.
Any Answer, Suggestion or Comment highly appreciated!
Thanks,
Imdadhusen
Related
Hi I am trying to build angular 2 web application using WebAPI, Entityframework that is loosely coupled using dependency injection. I am using unity for dependency injection. I have created multiple projects in one solution to address the separation concerns.
I have configured the dependency in unity.config however when i execute the webapi application and type the following url http://localhost:8702/api/allcustomers , I get message saying the customer controller doesn't have parameter-less constructor. I have set my break points in unity.config which never get hit
I would like to to understand if my implementation is correct as well
Below is the structure of my solution
CustomerOrder.Business.Objects
CustomerOrder.Data.Objects (references the business object)
CustomerOrder.Service.Api (references business object and service implementation)
CustomerOrder.Service.Implementation (references business objects and data objects)
CustomerOrder.Web (Yet to implement)
Below is the code
CustomerOrder.Business.Objects
public class Customer
{
public int Id { get; set; }
public string FirstName { get; set; }
public string LastName { get; set; }
public string Gender { get; set; }
public string Email { get; set; }
public string Address { get; set; }
public string City { get; set; }
public string State { get; set; }
public int? Zip { get; set; }
}
CustomerOrder.Data.Objects
public class CustomerDao : ICustomerDao
{
IEnumerable<CustomerOrder.BusinessObjects.Customer> ICustomerDao.GetAllCustomers()
{
using (var customerOrderContext = new Entities())
{
return (from customer in customerOrderContext.Customers
select new CustomerOrder.BusinessObjects.Customer
{
Id = customer.Id,
FirstName = customer.FirstName,
LastName = customer.LastName,
Address = customer.Address,
City = customer.City,
Email = customer.Email,
Gender = customer.Gender,
State = customer.State,
Zip = customer.Zip
}).ToList();
}
}
}
public interface ICustomerDao
{
/// <summary>
/// Get All Customers
/// </summary>
/// <returns></returns>
IEnumerable<Customer> GetAllCustomers();
}
public interface IDaoFactory
{
ICustomerDao CustomerDao { get; }
}
}
public class DaoFactory : IDaoFactory
{
public DaoFactory(ICustomerDao CustomerDao, IProductDao ProductDao, IOrderDao OrderDao)
{
this.CustomerDao = CustomerDao;
}
public ICustomerDao CustomerDao { set; get; }
}
CustomerOrder.Service.Api
Unity.Config
public static void RegisterComponents()
{
var container = new UnityContainer();
// register all your components with the container here
// it is NOT necessary to register your controllers
// e.g. container.RegisterType<ITestService, TestService>();
container.RegisterType<ICustomerProvider, CustomerProvider>();
container.RegisterType<IOrderProvider, OrderProvider>();
container.RegisterType<IProductProvider, ProductProvider>();
GlobalConfiguration.Configuration.DependencyResolver = new UnityDependencyResolver(container);
}
CustomerController.cs
public class CustomerController : ApiController
{
private ICustomerProvider customerProvider;
public CustomerController(ICustomerProvider customerProvider)
{
this.customerProvider = customerProvider;
}
[Route("api/allcustomers")]
public IEnumerable<Customer> GetAllCustomers()
{
return customerProvider.GetAllCustomers();
}
CustomerOrder.Service.Implementation
public interface ICustomerProvider
{
IEnumerable<BusinessObjects.Customer> GetAllCustomers();
}
public class CustomerProvider : ICustomerProvider
{
private readonly IDaoFactory dataAccess;
public CustomerProvider(IDaoFactory dalFactory)
{
this.dataAccess = dalFactory;
}
public IEnumerable<BusinessObjects.Customer> GetAllCustomers()
{
IList<BusinessObjects.Customer> customerCollection = new List<BusinessObjects.Customer>();
dataAccess.CustomerDao.GetAllCustomers();
return customerCollection;
}
}
Context Class
namespace CustomerOrderData.EF
{
using System;
using System.Data.Entity;
using System.Data.Entity.Infrastructure;
public partial class Entities : DbContext
{
public Entities()
: base("name=Entities")
{
}
protected override void OnModelCreating(DbModelBuilder modelBuilder)
{
// throw new UnintentionalCodeFirstException();
}
public virtual DbSet<Customer> Customers { get; set; }
public virtual DbSet<OrderDetail> OrderDetails { get; set; }
public virtual DbSet<Order> Orders { get; set; }
public virtual DbSet<Product> Products { get; set; }
}
}
In CustomerProvider, the IDaoFactory is probably not getting resolved because it's not registered. Add this to the Unity.Config:
container.RegisterType<IDaoFactory , DaoFactory >();
Please try including a parameterless constructor into the customer controller.
public CustomerController() {}
You should register not only IDaoFactory and his constructor dependencies
container.RegisterType<IDaoFactory, DaoFactory>();
container.RegisterType<ICustomerDao, CustomerDao>();
container.RegisterType<IOrderDao, OrderDao>();
container.RegisterType<IProductDao, ProductDao>();
I am facing following issue: I have ProductOrder class which has ProductId as foreign key to Product class. When I invoke following method:
public IEnumerable<ProductOrder> GetOrders()
{
return OddzialDb.ProductOrders;
}
Orders are associated with Product so I can write something like this:
OddzialDb.ProductOrders.First().Product.Name;
but when it reaches Client it turns out that there is no association with Product which is null (only ProductId is included). In DbContext I have set
base.Configuration.ProxyCreationEnabled = false;
base.Configuration.LazyLoadingEnabled = false;
On the WCF Service side auto-generated by EF ProductOrder class looks as follows:
public partial class ProductOrder
{
public int Id { get; set; }
public Nullable<int> ProductId { get; set; }
public int Quantity { get; set; }
public virtual Product Product { get; set; }
}
What happens that it looses connections with tables associated by foreign keys?
Make your relationship virtual as in the example:
public class ProductOrder
{
public int Id { get; set; }
public virtual Product Product { get; set; }
public int ProductId { get; set; }
}
By turning your relationship virtual, the Entity Framework will generate a proxy of your ProductOrder class that will contain a reference of the Product.
To make sure it will work, Product also has to contain reference to ProductOrder:
public class Product
{
public int Id { get; set; }
public string Name { get; set; }
public virtual ICollection<ProductOrder> ProductOrders { get; set; }
}
Set these variables true on your DbContext:
Configuration.LazyLoadingEnabled = true;
Configuration.ProxyCreationEnabled = true;
On your WCF application, add the following class, which will allow for proxy serialization:
public class ApplyDataContractResolverAttribute : Attribute, IOperationBehavior
{
public ApplyDataContractResolverAttribute()
{
}
public void AddBindingParameters(OperationDescription description, BindingParameterCollection parameters)
{
}
public void ApplyClientBehavior(OperationDescription description, System.ServiceModel.Dispatcher.ClientOperation proxy)
{
DataContractSerializerOperationBehavior dataContractSerializerOperationBehavior =
description.Behaviors.Find<DataContractSerializerOperationBehavior>();
dataContractSerializerOperationBehavior.DataContractResolver =
new ProxyDataContractResolver();
}
public void ApplyDispatchBehavior(OperationDescription description, System.ServiceModel.Dispatcher.DispatchOperation dispatch)
{
DataContractSerializerOperationBehavior dataContractSerializerOperationBehavior =
description.Behaviors.Find<DataContractSerializerOperationBehavior>();
dataContractSerializerOperationBehavior.DataContractResolver =
new ProxyDataContractResolver();
}
public void Validate(OperationDescription description)
{
// Do validation.
}
}
Then on your ServiceContract interfaces you add the DataAnnotation [ApplyDataContractResolver] right among your other annotations such as [OperationContract], above any method signature that returns an entity:
[OperationContract]
[ApplyDataContractResolver]
[FaultContract(typeof(AtcWcfEntryNotFoundException))]
Case GetSingleByCaseNumber(int number);
How to Show child property value in RDLC Report?
for Example:
public class Person
{
public Address Address { get; set; }
}
public class Address
{
public string streetName {get;set;}
}
How to display streetName value in RDLC Report?
As you can read in this blog's post from Brian Hartman, there was a change since VS2010 for the nested class in a LocalReport.
He suggest to add the attribute [Serializable()] (if applicable).
Your class will be look like this:
[Serializable()]
public class Person
{
public Address Address { get; set; }
}
[Serializable()]
public class Address
{
public string streetName {get;set;}
}
Edit: added the code after some comments. Try to implement your class like this:
[Serializable()]
public class Person
{
private Address _address;
public Address Address
{
get
{
if(_address == null)
return new Address(string.Empty);
return _address;
}
set
{
_address = value;
}
}
[Serializable()]
public class Address
{
private string _streetName;
public string streetName
{
get
{
return _streetName;
}
set
{
_streetName = value;
}
}
public Address(string streetName)
{
_streetName = streetName;
}
}
}
In this way it will always return a value and never null.
For All Properties we have to set [Serializable()] in Class
[Serializable()]
public class Person
{
public Address Address { get; set; }
}
[Serializable()]
public class Address
{
public string streetName {get;set;}
public SubAddress SubAddress{get;set;}
}
[Serializable()]
public class SubAddress
{
public string DoorNo {get;set;}
}
In Report in the code tab of report Properties follwing code is used
Public Function GetName(ByRef obj As Object) As String
If obj Is Nothing Then Return "na"
Else : Return obj.streetName
End If
End Function
and report field get it as =Code.GetName(Fields!Address.Value)
This is in reference to the question I asked regarding how to determine when items are added to the virtual ICollection property. As suggested, I have created a custom collection which inherits from Collection as shown below
public class EntityCollection<T> : Collection<T>
{
protected override void InsertItem(int index, T item)
{
base.InsertItem(index, item);
}
}
This is being used as
public class DbAppointment
{
public DbAppointment()
{
exceptionOcurrences = new EntityCollection<DbExceptionOcurrence>();
}
public virtual int AppointmentId { get; set; }
public virtual string Subject { get; set; }
public virtual string Body { get; set; }
public virtual DateTime Start { get; set; }
public virtual DateTime End { get; set; }
private ICollection<DbExceptionOcurrence> exceptionOcurrences;
public virtual ICollection<DbExceptionOcurrence> ExceptionOcurrences
{
get { return exceptionOcurrences; }
set { exceptionOcurrences = value; }
}
}
The problem is the only time the overridden InsertItem method seems to get called is if I initialise the database with a custom initialiser (example code below) and override the seed method!! What am I doing wrong?
Cheers
Abs
public class ContextInitializer : DropCreateDatabaseAlways<Context>
{
protected override void Seed(Context context)
{
new List<DbAppointment>
{
new DbAppointment{ Subject = "hello", Body="world", Start=DateTime.Now, End=DateTime.Now.AddMinutes(30)},
}.ForEach(a => context.Appointments.Add(a));
new List<DbExceptionOcurrence>
{
new DbExceptionOcurrence{ExceptionDate=DateTime.Now}
}.ForEach(eo => context.ExceptionOcurrences.Add(eo));
base.Seed(context);
}
}
I'm using ASP.NET MVC and I have a model class which represents a peice of data which is associated to an entity but created by another. For example, given the following ViewModels,
public class User {
public int UserId { get; set; }
public IEnumerable<NewsComment> Comments { get; set; }
}
public class News {
public int NewsId { get; set; }
public string News { get; set; }
public IEnumerable<NewsComment> Comments { get; set; }
}
public class NewsComment {
public int NewsCommentId { get; set; }
public string Comment { get; set; }
public int NewsId { get; set; }
public int UserId { get; set; }
}
public class NewsController : Controller
{
public ActionResult Index()
{
return View(ListAllNews());
}
public ActionResult Detail(int newsId)
{
return View(GetNewsItem(newsId));
}
}
public class NewsCommentController : Controller
{
[AcceptVerbs(HttpVerbs.Post)]
public void Create()
{
int newsId = Request["news_id"];
int userId = Request["user_id"];
string comment = Request["comment"];
SaveNewsComment(newsId, userId, comment);
return RedirectToAction("Detail","News",new { newsId = newsId });
}
}
If I'm only ever displaying comments on the News/Detail view or the User/Detail view and comments are posted on the News/Detail view then
Is there a need for a NewsCommentController?
Should NewsCommentController only have a Create action which is called from and redirects back to the NewsController/Detail action once that method is complete?
Should I be using RenderAction to list my comments out from NewsCommentController?
Or can all this be done from within either NewsController or UserController, whichever is appropriate?
If your News/Detail view posts new comments, then you needn't have a NewsCommentController. Your NewsComment class is not a ViewModel on its own.