C# - SOAP Generic Type Serialization?
Apr 4, 2011We have created a class to wrap the payload of web service response with common information as follows.
public class ItemResponse<T> : Response
{
/// <summary>
[code]...
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protected override void PerformDataBinding(IEnumerable data)
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Mar 5, 2011I'm trying to create a validation layer that will contain methods to validate all my objects (in my Business Objects layer) .. but when I try to reference both the validation and business objects to each other I get a circular dependency error .. so I've decided to create a new layer (BLL) to validate the objects for me and I'll be able to reference both the validation and the object layers.
so I want to build some kind of class/interface -I don't know what fits more- to be like a generic type or a parent type that my method could accept it as a parameter and check for it's Name/ID property. Instead of defining a new method overload for each object type I have
Simplification
Object Data Type Serialization In Wcf Using DataContract Attribute
Mar 21, 2011I have created a WCF Rest API Service using wcf rest starter kit preview 2 which automatically return JSON or XML data depending on the requested content type. everything is working fine but as my service methods return multiple data type some methods returns a object of a class or collection of class, bool, int or collection type. so I planed to return a same Response in all methods for this I Create a new class as following:
[DataContract(Namespace = "")]
public class ServiceResponse
{
[DataMember]
public bool IsError
{ get; set; }
[DataMember]
public string ResponseMessage
{ get; set; }
[DataMember]
public Object ResponseData
{ get; set; }
}
and User class as following:
[DataContract(Namespace = "")]
public class User
{
[DataMember]
public string UserName
{ get; set; }
[DataMember]
public int UserID
{ get; set; }
}
In ServiceResponse Class I have declared an Object Type property ResponseData and my all method has return type of ServiceResponse. My problem is that when I set any string,bool,int type as ResponseData it is serialized but when I set collection type or an object of another class which also has DataContarct attribute this class is not serialized see below code :
public ServiceResponse GetUser(int userID)
{
User user = getUser(userID); get user data from database
ServiceResponse response=new ServiceResponse();
var response = new ServiceResponse
{
IsError = false,
ResponseMessage = string.Empty,
ResponseData = user; // Setting Result Data here
};
return response;
}
when I called above method(GetUser) I got Null response due to serialization problem, but following code works fine
public ServiceResponse TestMethod(string testMessage)
{
ServiceResponse response=new ServiceResponse();
var response = new ServiceResponse
{
IsError = false,
ResponseMessage = string.Empty,
ResponseData = testMessage; // Setting Result Data here
};
return response;
}
How To Add Detail Element To SOAP Fault Response That Works For Both SOAP 1.1 And SOAP 1.2
Jul 1, 2010ASP.Net 2.0 Web Services automatically create both SOAP 1.1 and SOAP 1.2 bindings. Our web service, however, has SOAP extensions and custom exception handling that make the assumption that only the SOAP 1.1 binding is used (for example, the SOAP extension uses the HTTP SOAPAction header to control behavior).
I am looking to correct the code that makes these assumptions and make it work with either SOAP 1.1 or SOAP 1.2 properly. I am running into a bit of a problem in the generation of elements for our SOAP faults.
Consider the following web method implementation:
[Code]....
The SOAP 1.2 response now has the wrong qualified name for the detail element. It should be <soap:Detail>, but instead is merely <detail>, same as the SOAP 1.1 response.
It seems that the ASP.Net 2.0 framework has done quite a bit to transform a SOAPException into the appropriate form for the SOAP version, but neglected to properly handle the detail element. Additionally, they don't seem to have exposed the correct SOAP 1.2 qualified name for the detail element as was done with the SoapException.DetailElementName property.
So, what is the correct way to add a detail element to a SOAP fault response that works for both SOAP 1.1 and SOAP 1.2? Do I need to detect the SOAP version myself and hard-code the SOAP 1.2 qualified name for the detail element?
SSL Certificate Type Required For PayPal HTTPS Web Service (Payments Pro SOAP / NVP)
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Jun 16, 2010I have a method like:
public T Get<T>(string key)
{
}
Now say I want to return "hello" if the type is a string, and 110011 if it is type int.
how can I do that?
typeof(T) doesn't seem to work.
I ideally want to do a switch statement, and return something based on the Type of the generic (string/int/long/etc).
.net - Generic Way Of Checking Property Type Using Reflection
Mar 25, 2011I am trying to set property value using reflection as below. I wanted to know if there is any generic way of finding the property type instead of doing it int he below way.
string currentlblTxt;
string currentTxt;
Assembly assembly = Assembly.GetAssembly(typeof(myAdapter));
myAdapter currentEventObject = (myAdapter)assembly.CreateInstance(myClassName);
[code]...
Finding An Object In A Generic List Of Type?
Dec 9, 2010I have a class Trans, with properties siteID and TID. I have a generic list of this class, TransList = list(Of Trans).
Now I want to find the Trans in TransList where the siteID is 3 and the TID is T1. There will only be one record. I want to then update this Trans in the TransList (so I need a reference to the Trans). I am trying to do the following, but it doesnt like it.
[Code]....
C# -pass A Generic Type With The User Control?
Aug 19, 2010In Asp.net Web forms why must a user control be partial? I tried to remove the partial keyword and it says: Missing partial modifier on declaration of type 'test'; another partial declaration of this type exists
Where is the other declaration?I am trying to pass a generic type with the user control how can I do that? I can't unless I change the other declaration too. I couldn't find it so I removed the partial keyword.Note:
you do have 3 files if your making WebApplication but if your making website you only get 2 files?
UserControl.ascx
UserControl.ascx.cs
so in website where is the other declaration?the reason i want generic is because im making a Grid User Control so i want to pass the type the datasource is going to have.
C# - Binding A Generic List Of Type Struct To A Repeater?
Aug 19, 2010I've had a bit of a problem trying to bind a generic list to a repeater. The type used in the generic list is actually a struct.
I've built a basic example below:
[code]....
I then create two fruits using the struct (apple and orange). These fruits are then added to the list.
Finally, I bind the generic list to the DataSource property of the repeater...
The markup looks like this:
[code]....
I expect to see the fruit name and price printed on the screen, separated by a horizontal rule.
At the moment I am getting an error relating to actual binding...
**Exception Details: System.Web.HttpException: DataBinding: '_Default+Fruit' does not contain a property with the name 'FruitName'.**
Content Type When Serving A File In A Generic Handler?
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[code]....
However, I have some misgivings about lumping all documents together as application/octet-stream, and I would prefer, if feasible, to use a more specific content type per document type. I have a DB table for document types where I could store this. Am I going in the right direction, and if so, where can I find a suitable starting list of content types for document types?
C# - Dynamically Added Controls End Up Wrapped In A Generic Type?
Dec 7, 2010I'm writing a formbuilder for our CMS which dynamically loads bespoke controls into panels within a repeater.
The bespoke controls all inherit from, lets say 5arx.FormBuilder.FormControl, a base class which defines abstract methods for initialising, validating, repopulating, gathering submitted data from them. Controls range from simple text fields to complex, composite client-side controls.
It all works very well, but I've noticed something I feel is anomalous. During the course of writing code to retrieve form controls. gather their data and persist it to my database I noticed that their type reverts to the way objects get typed if you write your code in the (v. irritating) VS 'website project' mode.
So, for example a control that is defined as living in a namespace and being of type
5arx.FormBuilder.FormControl.MyBespokeControl
Sarx.FormBuilder.FormControl.MyBespokeControl
at runtime reports its type (via simple call to GetType()) as being of type:
ASP.5arx_FormBuilder_FormControl_MyBespokeControl
ASP.Sarx_FormBuilder_FormControl_MyBespokeControl
Getting the BaseType property will correctly retrieve the underlying class, but it is perplexing to me why this should be happening. Particularly as I spent much of the summer refactoring our app from its original form as VS Website project (complete with shared code in the App_Code folder and other nastiness) to the (IHMO) correct web application project + supporting claass libraries so that we would have control over our namespaces and not get everything compiled into the ASP.x namespace
EDIT: Modified the (hypothetical) example root namespace.
Using Custom Class With Method That Takes Generic Type Parameter
Apr 23, 2010I have several custom classes that derive from a common base class so they share several members in common. I would like to be able to pass objecs from any of these three classes to a function that will "look at" common properties. However, it seems there is a catch 22 -- When I try to access a member (.FirstName) of the passed object, the computer reports an error that it thinks the member doesn't exist.
It seems to be a sort of contradiction -- since I didn't declare the type, the computer can't confirm existence, but it seems that it should have to take it on faith since the generic character of the type is specified by the code. Possibly there is something I don't know about that would fix this. I'm showing VB code for what I have so far. I went ahead and hardcoded an instance to confirm that the object exists and has the needed property. I commented out the line that had the code that resulted in the computer reporting an error.
[Code]....
C# - Cannot Implicitly Convert Type System.Collection.Generic.IEnumberable
Mar 8, 2010I'm receiving this error in my Linq statement ---
Cannot implicitly convert type 'System.Collections.Generic.IEnumerable' to 'hcgames.ObjectClasses.ShoppingCart.ShoppingCartCartAddon'. An explicit conversion exists (are you missing a cast?)
From this query
ShoppingCartItems items = Cart.GetAllItems();
ShoppingCartCartAddons addons = Cart.GetAllAddons();
var stuff = from x in items
select new ShoppingCartItem()
{
ProductID = x.ProductID,
Quantity = x.Quantity,
Name = x.Name,
Price = x.Price,
Weight = x.Weight,
Addons = (from y in addons
where y.ShoppingCartItemID == x.ID
select y)
};
Generic Parameter - Pass Another Control Type And Execute Exact Same Logic
Nov 30, 2010I have a class constructor which accepts a Listbox.
[Code]....
I need to be able to pass another control type and execute the exact same logic in one of the methods... Seems like a use for Generics... I'm not so sure about the syntax... The type of control that I will pass is a rad combo box which has many of the same properties of the listBox control. However, RadComboBox does not inherit from listBox or dropDown so I am unable to cast. When changing the signature of the constructor to As RadComboBox as well as the property and field the method works as expected. I am trying to avoid duplicating code here.
DataSource Controls :: Objectdatasource With A Generic Select Method - How To Pass The Type
Mar 14, 2011[Code]....
[Code]....
The GetList method is as folllowing:
[Code]....
Now i can populate my gridview trough code by this: //gvwDiensten.DataSource = new BindingList<diensten>(dataManager.GetList<diensten>().ToList());But i would like to use an objectdatasource, so i created this:
[Code]....
</asp:ObjectDataSource>
But when running the page i get:
ObjectDataSource 'dsDiensten' could not find a non-generic method 'GetList' that has no parameters.
The Model Item Passed Into The Dictionary Is Of Type 'System.Collections.Generic.Lis
May 2, 2010Calling Index view is giving me this very very annoying error . Can anybody tell me what to do about it
Error:The model item passed into the dictionary is of type 'System.Collections.Generic.List1[MvcApplication13.Models.Groups]', but this dictionary requires a model item of type 'MvcApplication13.Helpers.PaginatedList1[MvcApplication13.Models.Groups]'.
public ActionResult Index(int? page)
{
const int pageSize = 10; [code].....
C# - How To Create A Extension Method To Sum Up A Column Of A Generic Constrained Type In A Datatable
Oct 1, 2010Is something like the below possible?
public static T Sum<T>(this DataTable dt, string columnName)
where T : IEnumerable<decimal>, IComparable<decimal>[code]....
It feels like i'm almost there, but not quite :/
Just trying to sum up either decimal or int values in a column in datatable. Currently getting a compile error, however think this is due to the incorrect generic constraint.
MVC Generic Base View Class / Error Parsing Attribute 'something': Type 'System.Web.Mvc.ViewPage'
Feb 5, 2010I can have a base class for views in an MVC project like this:
public class BaseViewPage : System.Web.Mvc.ViewPage
{
public string Something { get; set; }
}
And then in the ASPX I can do this:
<%@ Page Something="foo" Language="C#" Inherits="MyNamespace.BaseViewPage" %>
This works fine; the problem is when I try to do the same with the generic version:
public class BaseViewPage<TModel> : System.Web.Mvc.ViewPage<TModel> where TModel : class
{
public string Something { get; set; }
}
When I try to use this from the ASPX, like this:
<%@ Page Something="foo" Language="C#" Inherits="MyNamespace.BaseViewPage<SomeClass>" %>
I get the error message:
Error parsing attribute 'something': Type 'System.Web.Mvc.ViewPage' does not have a public property named 'something'.
Notice how it tries to use System.Web.Mvc.ViewPage rather than my BaseViewPage class. To make it more interesting, if I remove the "Something" attribute from the Page directive and put some code in the generic version of BaseViewPage (OnInit for example) the class is actually called / used / instantiated.
So, am I doing something wrong or is this a limitation.
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Oct 30, 2010What is the difference between generic and non-generic collection?
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May 24, 2010I am using business objects that are accessed via webservices. These objects can be loaded via the webservice and serialized to my mvc app. The mvc app can get a web reference to the objects and they can be utilized in the mvc app. However, the business objects are where the classes are defined, and where the annotations are applied.
The mvc validation seems to have no idea that there are System.ComponentModel.DataAnnotations attributes applied to this business object class.
1) Are DataAnnotations lost when objects are serialized / deserialized?
2) If in mvc I use a view model approach, and have nested objects (which themselves have public properties - decorated with DataAnnotations) can/will the mvc validation system traverse the entire object model, the model being used for my view? (so it can see DataAnnotations attributes of the nested object)?
AJAX :: .Net 3.5 JSON And WCF Serialization?
Feb 12, 2010I'm trying some WCF ajax.net 3.5 out for the first time, and I'm having some difficulties. I have a WCF Service which I have connected to in my aspx page using <asp:ScriptManager>. I have a custom object which has been decorated as a [DataContract]. I'm calling the object from javascript successfully, I can see the JSON response in FireBug, but Sys.Serialization.JavaScriptSerializer.deserialize() chokes on it. I'm sure I'm making a noob mistake, but I used up all my patience getting the Web.Config values right for running the WCF service.
Here's a mockup of what I'm doing.
[Code]....