i trying to inject js to page (to tags) by using ihttpmodule.but js isn't injected.
the page:
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="MyTempProject._Default" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
[Code]....
All implementation of IHttpModule I've seen looks following:
[code]....
I am wondering why is the Dispose method always empty? Shouldn't we unsubscribe the event which we subscribe in the Init method?
I've declared an event on an HTTP Module so it will poll subscribers for a true/false value to determine if it should go ahead with its task of tweaking the HTTP Response. If only one subscriber answers true then it runs its logic.
Are there potential pitfalls I'm not seeing?
public class ResponseTweaker : IHttpModule {
// to be a list of subscribers
List<Func<HttpApplication, bool>> listRespondants = new List<Func<HttpApplication, bool>>();
// event that stores its subscribers in a collection
public event Func<HttpApplication, bool> RequestConfirmation {
[Code]....
What is the difference between HttpApplication class and IHttpModule? Are they both same or different?
I see articles that mention the same events in both the classes.
An IHttpModule implementation I created
public class ResponseTweaker : IHttpModule { // my module ...
is registered in Web.config
<system.web>
<httpModules>
<add name="redman" type="ResponseTweaker"/>
</httpModules>
and an instance of it is sitting in the pipeline.
From the perspective of a caller (e.g. from the Global.asax.cs file), how should I get a reference to that module instance?
public class NHibernateSessionPerRequest<T>:IHttpModule
{
public void Dispose() { }
public void Init(HttpApplication context)
{
context.BeginRequest += BeginRequest;
context.EndRequest += EndRequest;
}
}
How can it be registered in web.config?
LoginPage.aspx:-
protected void Button1_Click(object sender, EventArgs e)
{
Context.Items["Username"] = txtUserId.Text;
Context.Items["Password"] = txtPassword.Text;
//
FormsAuthenticationTicket ticket = new FormsAuthenticationTicket(1, Context.Items["Username"].ToString(), DateTime.Now, DateTime.Now.AddMinutes(10), true, "users", FormsAuthentication.FormsCookiePath);
// Encrypt the cookie using the machine key for secure transport
string hash = FormsAuthentication.Encrypt(ticket);
HttpCookie cookie = new HttpCookie(
FormsAuthentication.FormsCookieName, // Name of auth cookie
hash); // Hashed ticket
// Set the cookie's expiration time to the tickets expiration time
if (ticket.IsPersistent) cookie.Expires = ticket.Expiration;
Response.Cookies.Add(cookie);
Response.Redirect("Default.aspx");
}
Global.asax file:-
void Application_AuthenticateRequest(object sender, EventArgs e)
{
if (HttpContext.Current.User != null)
{
if (HttpContext.Current.User.Identity.IsAuthenticated)
{
if (HttpContext.Current.User.Identity is FormsIdentity)
{
FormsIdentity id =
(FormsIdentity)HttpContext.Current.User.Identity;
FormsAuthenticationTicket ticket = id.Ticket;
// Get the stored user-data, in this case, our roles
string userData = ticket.UserData;
string[] roles = userData.Split(',');
HttpContext.Current.User = new System.Security.Principal.GenericPrincipal(id, roles);
Response.Write(HttpContext.Current.User.Identity.Name);
Response.Redirect("Default.aspx");
}
}
}
}
I get the following error after signing in This webpage has a redirect loop.
The webpage at [URL] has resulted in too many redirects. Clearing your cookies for this site or allowing third-party cookies may fix the problem. If not, it is possibly a server configuration issue and not a problem with your computer.
Im trying to make a solution like this [URL] Now the question is how do I filter the request, I only want to Open an ISession if the request is for an ASPNET MVC Action, not for *.gif, *.css etc. How should I handle this filtering?
View 3 RepliesI am getting the following error
'Event handlers can only be bound to HttpApplication events during IHttpModule initialization.' at the following code (line in bold or double **)
protected void Application_BeginRequest(object sender, EventArgs e)
{
HttpApplication app = (HttpApplication)sender;
**app.EndRequest += new EventHandler(Application_EndRequest);**
}
protected void Application_EndRequest(object sender, EventArgs e)
{
UnitOfWork.Commit();
}
which is mentioned in Global.asax file.
In ASP.NET 4.0, I have an IHttpModule that apply a filter on HttpRequest.Filter. As the result, the content stream length is changed, and it breaks WCF with now returns 400 bad request because of the mismatch between the body length and the HTTP headers.
View 1 RepliesI've created a simple sample site to demonstrate the issue. In it, I have a Default.aspx Page that has a button on it:
<asp:Content ID="BodyContent" runat="server" ContentPlaceHolderID="MainContent">
<p><asp:Button OnClick="ButtonClick" Text="Button" runat="server" />
</p>
<asp:Label ID="output" runat="server" />
</asp:Content>
The code behind just sets the label text on the button click:
protected void ButtonClick(object sender, EventArgs e)
{
output.Text = "Button Click!!";
}
I then have an IHttpModule that gets called for every request:
[code].....
And now it's broken again! So to make a long story short, just by accessing the Form collection on the request in the IHttpModule, I somehow screw up the PostBack, and the event never gets fired.
sqlparameter param = new sqlparameter("@Name", sqldbtype.varchar, 20);
param.value = "Chloé";
cmd.parameters.add(param);
int accountnumber = (int)cmd.executescalar();
I have a server control that needs to programmatically inject a JavaScript reference into the page. It is to reference Microsoft's Bing map control which requires &s=1 to be appended to the script URL for use over SSL. The problem is that the .NET Framework encodes the attributes and changes the & to an & (verified with Reflector). At some point after that the & is removed altogether.
Desired script tag:
<script type="text/javascript"
src="https://ecn.dev.virtualearth.net/mapcontrol/mapcontrol.ashx?v=6.2&s=1">
</script>
Attempt 1:
var clientScriptManager = this.Page.ClientScript;
if (!clientScriptManager.IsClientScriptIncludeRegistered(this.GetType(), "BingMapControl"))
{
clientScriptManager.RegisterClientScriptInclude(
this.GetType(), "BingMapControl",
"https://ecn.dev.virtualearth.net/mapcontrol/mapcontrol.ashx?v=6.2&s=1");
}
Attempt 2:
HtmlGenericControl include = new HtmlGenericControl("script");
include.Attributes.Add("type", "text/javascript");
include.Attributes.Add("src",
"https://ecn.dev.virtualearth.net/mapcontrol/mapcontrol.ashx?v=6.2&s=1");
this.Page.Header.Controls.Add(include);
Consider this abstract class
public abstract class Foo
{
public Injectable Prop {get;set;}
}
i have an application that i want to enhance and simultaneously refactor for simplicity.
I have over 100 classes that call some same stuff (e.g Class Injectable) and i am thinking that this behaviour can be abstracted and set to a base class, and everybody will inherit from this base class so as to remove copy/paste code.
However, i want to avoid copy/paste code in the spring configuration file by defining an Injectable object and then define a child object foreach and every class that inherits from Foo.
I am looking for a way to set the abstract class's properties and then all child elements to automatically get them via configuration. I want to avoid to make the abstract class like this:
[code]....
I had came acroos an open source a java applet. I wanted to know is there somehow I could create a script that could be distributed and the applet could be embedded in any website? I have been able to inject jquery and JS scripts into websites by placing a tag pointing to a Javascript file and placing it in the header of the page but I don't know how a java applet can be injected?
View 1 RepliesI would like to create a custom action filter attribute that adds a value in the HttpContext items that would be accessible during model binding.
I have tried to add it in the OnActionExecuting but it that seems the modelbinding is exectued before the filter. Maybe there's a method in the modelbinder that I could override that will be fired after the filter and use the value injected by my filter.
What I want to do, is to inject a validation context (the library I use for validation supports context, it is nvalid.net (www.nvalid.net) I would like to be able to place an attribute such as
[ValidationContext("Prevalidation")]
on my actionresult method, so that the validation that occurs in my custom model binder could know which context to use when doing the Validation. That's why I can't simply make a custom model binder.
I have a tricky problem and I'm not sure where in the view rendering process to attempt this. I am building a simple blog/CMS in MVC and I would like to inject a some html (preferably a partial view) into the page if the user is logged in as an admin (and therefore has edit privileges).
I obviously could add render partials to master pages etc. But in my system master pages/views are the "templates" of the CMS and therefore should not contain CMS specific <% %> markup. I would like to hook in to some part of the rendering process and inject the html myself.
how to do this in MVC? Where would be the best point, ViewPage, ViewEngine?
Say I got this .aspx:
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="MyPage.aspx.cs" Inherits="MyPage" %>
<script type="text/javascript">
//<!-- I want to inject a JSON string here, which is generated per side-request -->
function doStuffToMyData(){
// .....
}
</script>
how I can inject a JSON string here? I got no problem generating the string, or parsing it in the browser..
It could be there's an easier way to do this? I basically want to manipulate the looks of the side, depending on changes to this data, so I figured it would be easiest to have the data as a JSON string.
I have a simple, but probably common problem on how to inject HTML inside an ASP.NET MVC master page. I have a google analytics tracking code that sits on my master page. The code looks like this:
var _gaq = _gaq || [];
_gaq.push(['_setAccount', 'UA-XXXXX-1']);
_gaq.push(['_trackPageview']);
// need to inject ecommerce code here
(function () {
// google analytics code here
})();
I'm using ecommerce tracking and I want to inject the "cart" information in side this HTML on the receipt page (and ONLY on this page). So I do something like this:
var _gaq = _gaq || [];
_gaq.push(['_setAccount', 'UA-XXXXX-1']);
_gaq.push(['_trackPageview']);
<% if(ViewData["googleanalytics"]!=null) {%>
<%= ViewData["googleanalytics"] %>
<% } %>
(function () {
// google analytics code here
})();
Then in the controller, I have code that looks like this:
[HttpGet]
public ActionResult Receipt()
{
var receipt = // get receipt model
// get google analytics javascript. This function pulls
// the data from the receipt model
ViewData["googleanalytics"] = GetAnalyticsInfo(receipt);
return View(receipt);
}
I currently work on an in-house 'CMS' that is fairly old. It has one 'content' field where the html of a CKEditor is saved and presented to each content page.
What I would like to do is be able to replace some special tags with the output of a control. So for example:
The content string would be
[Code]....
Then, when rendering the page, replace the '[%LatestNews(to=2010/01/01)%]' with the result of a user control. The user control may contain a asp:Repeater control or something that lists the required content.
Recently, I had prepared a java applet for my browser. I wanted to know is there somehow I could create a script that could be distributed and the applet could be embedded in any website?
View 4 RepliesI have an Html Form that I want to set focus to when the page loads. What I have done is coded the Site.Master to run a javascript function on page load. That js function retrieves a hardcoded form name from the DOM and, if found, sets focus to an input field in that form.
[Code]....
I have a httpmodule that contains a property.
The httpmodule is used in my web application. I want to set the property in the httpmodule when my application starts and not have the overhead of setting it everytime the module is called.
The value for the application is read from my app settings in the web.config.
The httpmodule resides in a seperate dll to the web application.
So I want to inject/set the property from my web application on application start.
I have a profile object in session with profile information for the currently logged in user. I wand to be able to inject it into my business classes so I can do validation etc in them without having to pass it in the parameter list in every method.
I have tried something like this in my ninject module:
Profile profile = HttpContext.Current.Session["Profile"] as Profile;
Bind<Profile>().ToConstant(profile).InTransientScope();
However it blows up with null reference when I do Kernel.Get() in my aspx. The BusinessObject takes a profile via the constructor. If I hard code the profile instead of using the HttpContext then everything seems to work. Not sure if ToConstant is the way to go, I am really looking for something that will get evaluated every time a new BusinessObject is created.
UPDATE
It seems that asking for injection to happen on a page level object inline is too soon for the session collection to be available. If I move in the Kernel.Get call to Page_Load it works just fine.
We have some table with messages. Each message could have attachments.
We need to have text of attachmnet inside html table of messages on web page. For the first stage we need to have at least support of doc, excel attachments (in future possibly will desire pdf). So in table we show from, subject and body as html cells of message tr. And cell for body should contain firstly rendered content of attached documents (with all images and styles), and then real message body. They don't want any links for download or something similar :(
I know only about possibility to use MS Word Save As logic (but don't have a lot of details). So in this case I should have MS word, excel installed on server. And based on type of attachment use one of the compopnents.