C# - Handle RESTful-type URLs With An IHttpHandler?
Feb 7, 2010
First, I'm looking for a a small example of how to handle a series of RESTful URLs, such as /Account/{userName} and /Account/{userName}/Profile with a single HttpHandler. At this time, I'm not interested in embracing MVC or using the REST Starter Kit. Should I place the HttpHandler class in a Class Library? Should I publish to the root of the RESTful URL?
My second issue stems from the fact that my ASP.NET hosting is done through a web-hosting company. Will I need to ask their tech team to configure IIS for me? Is that normal practice?
I want to implement a restful service in ASP.NET. I want it to be compatible with .Net 2.0 and IIS 5+. I am constrained to not use ASP.NET MVC or REST starter kit. By reading on internet I have learned that it can be implemented using HTTPHandlers. The problem is, the request will come in as a POST request. And I want to URL to be like:
http://abc.com/MyService/MyMethod1/ and http://abc.com/MyService/MyMethod2/
Conversion from type 'DBNull' to type 'String' is not valid
Dim OledbString As String = ("SELECT Product_Hierarchy,Model,Origin,Item_Code,Description,Price_USD FROM [sheet1$]") 'Dim eAdapter As New SqlDataAdapter(sqlString, connection) Dim eAdapter As New OleDbDataAdapter(OledbString, connection) Dim eTable As New DataTable() eAdapter.Fill(eTable) Dim i As Integer = 0 [code]...
i have a function that pulls URLs from various web resources. needless to say some are full valid URLS and some are relative as per the HTML of the page. below is my asp.net/ c# logic i derived for examining the URL and then generate a full usable URL from whats pulled from the site...
NOTE: origianlurl is the full url of the first searched page, and relativeUrl is a url found within the searched page (it can be a full www.site.com or a /contactus.html) private string ResolveRelativePaths(string relativeUrl, string originatingUrl) { if (relativeUrl.StartsWith("http") || relativeUrl.StartsWith("www")) return relativeUrl; if (relativeUrl.StartsWith("/")) { //get main url something.com [code]...
i have a xml file and i am retrieving its value using Linq to xml and assigning it to ViewData.
[code]...
but foreach (var item in ViewData["Persons"] is giving type casting error..what should be the exact type csting so that i can retrive values in the format item.Fname.
i am working in asp.net mvc & want to create a restful web service. how can i create a restful web service in MVC & how can i use it ? My requirement is : i have an application server which send some parameters to web service & the web service should connect to remote server & return image on path (whose path will be generated by the parameters from application server).
I simply want to create a fairly basic REST service, so that I can expose some of the data in my asp.net/SQL server application to the outside works, like this.....
http://domain.com/api/offices - would return an xml set of office locations. http://domain.com/api/offices/15 - would return all the details of office 15.
It's all fairly standard stuff (including basic authentication) but there seem to be several ways to achieve this using Microsoft technologies and I don't really know where to start. These seem to be the options...
1) WCF
2) ASP.NET MVC
3) ADO.NET Data Services
4) Rest Starter Kit project templates?
Which of these is the easiest and most "up-to-date" solution to creating a web service?
Actually the handler never gets called. I already searched the forums and tried some tips and hints. But nothing of that worked. Try to call the url via[URL]
I have a restful controller that has your standard REST HTTP Verbs: Get,Post, Put, Delete. The problem I am having is that although my controllers are decorated to accept these verbs, when I execute my REST action, it can only hit my Get and Post methods. I have the attributes on top of the controller actions: HttPut, HttpDelete, HttpPost, and HttpGet. I also have the the override method in my forms: @Html.HttpMethodOverride(HttpVerbs.Put) When I submit my form, I get a 404 error from IIS 7.5, saying the static file handler couldn't find the resource. Strangely the same forms work in Cassini, so I think it is something in IIS7.5's setup.
What do I need to do to get IIS 7.5 to handle REST verbs like PUT and DELETE with Asp.Net MVC 3? I have already removed WebDAV and have looked through the handlers but the ones I am modifying seem to do nothing. My current setup is Asp.Net MVC 3, IIS7.5 on Windows 7.
I made a custom handler that derives from MvcHandler. I have my routes using a custom RouteHandler that returns my new handler for GetHttpHandler(), and I override ProcessRequest() in my custom handler. The call to GetHttpHandler is triggering a breakpoint and my handler's constructor is definitely being called, but BeginProcessRequest() is being called on the base MvcHandler instead of ProcessRequest().
Why are the async methods being called when I haven't done anything to call them? I don't want asynchronous handling, and I certainly didn't do anything explicit to get it. My controllers all derive from Controller, not AsyncController.
I don't have the source code with me right now, but I can add it later if needed. I was hoping someone might know some of the reasons why BeginProcessRequest might be called when it's not wanted.
I have an IHttpHandler that I would like to hook into the OutputCache support so I can offload cached data to the IIS kernel. I know MVC must do this somehow, I found this in OutputCacheAttribute:
public override void OnResultExecuting(ResultExecutingContext filterContext) { if (filterContext == null) { throw new ArgumentNullException("filterContext"); }
I am using VS2008 pro to develop my web application. my project target framework is 3.5. I can add web service (.asmx) to it. But there is no .svc for me to add, do I need to install WCF REST Starter Kit? (but it is only in Preview 2)Or should I add an WCF service project to my solution?
i am in the process of creating a restful service with WCF, the service is likely to be consumed by at least 500 people at any given time. What settings would i need to set in order to deal with this.
I have created a server product that is connecting to some social network servers and sending to data which status update etc. The server already authenticated to necessary social networks servers by users who is using this solution.
Actually, I have no problem at this time, but I think I will.
My server will be open a thousands of concurrent request to neccessary servers via Http with C# HttpWebRequest instance. I already know that It's possible to change concurrent request limits with below propery.
ServicePointManager.DefaultConnectionLimit AFAIK, this limit is max 100 evet you set more than 100. So, I will be faced with bottleneck problem with HttpWebRequest even change the DefaultConnectionLimit property of ServicePointManager.
I've been tasked with porting/refactoring a Web Application Platform that we have from ASP.NET to MVC.NET. Ideally I could use all the existing platform's configurations to determine the properties of the site that is presented.Is it RESTful to keep a SiteConfiguration object which contains all of our various page configuration data in the System.Web.Caching.Cache? There are a lot of settings that need to be loaded when the user acceses our site so it's inefficient for each user to have to load the same settings every time they access.
I am trying to add page with custom extension, say .asp2 with my set of html tags.Now whenever i try to access the page on browser...it asks me "Save as". This happens because I am using an extn which the server is not able to recognise.What should I do to so that my server, IIS 5.1 recognises this extension??
how to associate custom events on such custom page?
I am trying to implement an IHttpHandler. I have defined an appropriate class but the debug web server (you know, the one you get if you hit f5 in Visual Studio) is responding with "Can't Display Page".I looked here http://msdn.microsoft.com/en-us/library/ms228090%28v=VS.90%29.aspx to learn how to configure the handler, and it seems there are different ways for IIS6 and 7. But the process is put something in the web.config and then set it up in IIS Manager. However, that is a deployment issue. I want to be able to run it in the test server, and I don't know how to do this second step in the test server.I put the following in my web.config:
<httpHandlers> <add verb="*" path="*.sample" type="MyNamespace.Code.HelloWorldHandler"/> </httpHandlers> HelloWorldHandler is the code from the link above (wrapped in MyNamespace.)
Can someone let me know how to configure this correctly for the development server?
I'm working on a reporting script which runs a number of reports (pdf) on button click. The reports are created on the web server then I'd like the user to be given the option to download the files. I have worked out the script for downloading one file from the server. But I'm not sure how to download multiple files? (there will probably be about 50)
After I run one report I redirect the user to a http handler script.
Response.Redirect("Download.ashx?ReportName=" + "WeeklySummary.pdf"); public class Download : IHttpHandler { public void ProcessRequest(HttpContext context) {
I have a IHttpHandler that acts as a source to a jQuery Autocomplete input field. In the constructor of the handler I generate an index that remains fairly static between request (needs to be rebuilt maybe once a day).How can I cache the the index between calls? Debugging indicates that the constructor is called for each request. I've set IsReusable to "false".
I want to create an HTTP handler within my project. To do this, I created a new class, and tried to implement IHttpHandler.
Each time I do this, I get the error 'End of statement expected'.
I know that normally you can create a new class library and create a class to implement a handler. But why is it not possible to do this in an existing web project?
I have an IHttpHandler that implements IRequiresSessionState. Everything works fine on most servers but there are 2 servers (one IIS 7.0 and one IIS 7.5) that give me null sessions. Aspx pages are fine on every server. I've searched for hours and failed to find anything that is not related to IRequiresSessionState.
I am trying to create url routing like this[URL] but I am having few questions , first why he is adding lines to the web.config , I tested it and it didnt appear that they're doing something as I commented them and nothing major appeared second I am having this line of code that is crashing var display = BuildManager.CreateInstanceFromVirtualPath(_virtualPath,typeof(Page)) as IProfileHandler;
when casted as ihttphandler it's working , but when I am casting it to iprofilehandler(which is implemeting ihttphandler) it's giving null !
I created an application and implemented IHTTPHandler for all incoming request ending with ".aspx" extension.Under "ProcessRequest" module, I am creating an instance of HttpContext (with URL attributes different from my application's URL i.e. if I am working on localhost then speciying Yahoo.com as its URL) and assigning it to "context" which comes as method argument.After redirection, an error is generated. Also, the custom HTTPContext is not passed to the requested page (default.aspx, in my case.)Code is as follows.
I have xml document and wanting to pass it through wcf restfull service, i am able to do that by using string format i mean i can pass the xml as string param in the restful service and it worked but now my xml document becomes huge so if i pass it as string then it gives URI long error. any way i can pass the huge xml document through the WCF RESTFul service.
