The Usage Of HttpHandlers And Generic Handlers?
Jan 10, 2011I have a bit confusion about the Http Handlers,Generic Handlers and the usage of those two.
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HttpHandlers / Modules :: How To Work With Http Handlers
Feb 3, 2011It is good experience by reading posts/discussions so im asp.net programmer i need the knowledge of how to work with http handlers? Where can we use them and what are exact scenarios in our requirement?
View 1 RepliesHttpHandlers / Modules :: Trying To Get A Handle On Http Handlers?
May 27, 2010I have created a dynamic signature for our members in Asp.net 2.0 with VB code behind that they can use as a signature in various message boards using an http handler.This is the first time I have evered used a http handler and I am probably missing a step on how to use it.The direct url to the signature is:
[URL]where the ID is a particular member. This works fine on most message boards and if you copy the link directly in a browser window, but not in other message boards.In order for this signature to work on all message boards, the url syntax would need to be as follows:[URL] or something similar where the URL does not have question marks, equal signs and the file name ends in .png .How can I go about doing this where the link will go to my http handler and overlay text, etc.
HttpHandlers / Modules :: What Is Http Handlers And Whats The Use Of It
Mar 26, 2011am new to http handler concept and havent worked on it.What is http handlers and what is use of it??
View 1 RepliesVS 2012 - Generic Handlers For Downloading Files
May 21, 2014I'm experiencing some strange behavior when using generic handler for downloading files from database to client using my web application.
Basically, everything works just fine in Chrome. But, when using Firefox the PDF documents don't get displayed entirely. Once downloaded to hard drive, they work fine. Excel documents get corrupted and users need to repair them in order to use them.
Below is the generic handler I use to download selected documents:
vb.net Code:
Sub ProcessRequest(ByVal context As HttpContext) Implements IHttpHandler.ProcessRequest
Dim documentID As Int32
If Not context.Request.QueryString("documentID") Is Nothing Then
documentID = Convert.ToInt32(context.Request.QueryString("documentID"))
[Code].....
Does 1.1 Support Generic HttpHandlers
Apr 14, 2010I need to get an image from a SQL Server as a byte[], and load it to a WebControl.Image. The only seemingly good way to do it that I found is to implement IHttpHandler and handle the request accordingly.But I'm stuck to using asp.net 1.1. Does it support ashx files?
View 1 RepliesHttpHandlers / Modules :: Cannot Retrieve An Image Using A Generic Handler
Mar 26, 2010I wrote a generic handler like this:
[Code]....
and on the other page I would like to retrieve the database image using :
<img alt="" src="ShowImage.ashx?ID=467711" />
but I am getting nothing in this case. The picture exists and there are 91000 bytes in array.
HttpHandlers / Modules :: Redirect To Login Page From Generic Handler
Sep 8, 2010I have created a asp.net generic handler to use it in auto-complete text box. Here is my code to it
/// <summary>
HttpHandlers / Modules :: Use Generic Handler To Call External Web Service?
Oct 28, 2010I am tring to call external web service through generic handler ,post some example code for the call webservice from generic handler .
View 1 RepliesHttpHandlers / Modules :: Generic Handler / Prevent Data From Being Written To Live Table Via The Live.aspx Page?
Jun 28, 2010I am using a generic handler (indicator.ashx) to create a graphic that is overlayed from information from a table (called LIVE) from our SQL database. This is working very well and I am very happy with the results.
However I am having an undesirable issue where the query string that is used for this is also being accessed by another page (called ReceiveLive.aspx) which is populating our LIVE table with data when we don't want this. I have been able to track this issue down to our generic handler that seems to populate this table with data whenever the handler is accessed.
The query string that is used to access our graphic through our generic handler is
http://mydomain.com/indicator.ashx?ID=ABC001.
Our other page that writes data to our LIVE database used the query string
http://mydomain.com/live.aspx?ID=ABC001 which is normally only accessed by a small piece of software that sits on the users PC and sends the data when necessary.
My question is this: How do I prevent data from being written to our LIVE table via the Live.aspx page everytime a query string is processed by my indicator.ashx is accessed?
Custom Server Controls :: Using The Generic Type 'System.Collections.Generic.IEnumerable' Requires '1' Type Arguments
Nov 25, 2010I'm trying to create a control out of a class I found, and one of the overridden functions is the following:
protected override void PerformDataBinding(IEnumerable data)
However, when I try to build the control I'm getting the error as shown in the subject. I've tried searching, and it seems the signature for the original function matches the one I have, and all other solutions I've seen uses the same signature.
Difference Between Generic And Non - Generic Collection?
Oct 30, 2010What is the difference between generic and non-generic collection?
View 1 RepliesC# - Why Do We Need Http Handlers
Jan 5, 2011I understand that the http handlers process request but this is just theory as I don't understand it. Many 3rd party controls require adding a http handler in web.config. And sometimes we are required to create our own class with ProcessRequest method that implements IHttpHandler interface but I am confused to understand where Http handler fits in and what their roles are?
View 2 RepliesDifference Between Axd And Ashx Handlers?
Mar 1, 2010What is the Difference betweeen axd and ashx handlers.
View 3 RepliesC# - Attaching Event Handlers?
Feb 15, 2011Can anyone clarify to me the difference between the following:
1.
{
// ...
Button b = new Button();
b.Click += new RoutedEventHandler(b_Click);
}
void b_Click(object sender, RoutedEventArgs e) { //do stuff...... }
2.
{
// ...
Button b = new Button();
b.Click += a_Click;
}
void a_Click(object sender, RoutedEventArgs e) { //do stuff...... }
Subscribing To Event Handlers?
Mar 26, 2010I'm curious about the pros and cons when subscribing to event handlers.
<asp:DropDownList id="DropDownList1" runat="server" OnSelectedIndexChanged="DropDownList1_SelectedIndexChanged" />
vs
protected void Page_Init(object sender, EventArgs e)[code]...
Factoring Exception Handlers?
Jun 4, 2010Lets say I have a try catch block with the following handlers...
[Code]....
VS 2008 - Create Event Handlers In C#?
Jul 8, 2010VS 2008 - create event handlers in C#? but i cant get this:
View 19 RepliesValidate Element In Http Handlers?
Feb 28, 2010n ASP.NET, http handlers can contain a validate element.What exactly does this do/mean?
View 1 RepliesAny Tools To See Which Http Handlers Are Called?
Feb 24, 2011I am trying to get a captcha web control to display, but it isn't going into the HttpHandler that I created. This isn't my project and it is quite big so I'm not sure what is going on. Is there any tools or techniques to see which handler is being called.
View 4 RepliesWhich Access Modifier For Event Handlers
Apr 1, 2010I've been programming ASP.NET for a number of years and have got into the habit of using the public access modifier when writing event handlers for nested controls. e.g.
LinkButton ln = new LinkButton();
ln.Click += new EventHandler(LinkClick);
....
public void LinkClick(object sender, EventArgs e)
I think I started using public because I ran into errors when using other modifiers. Is this the correct one to use here? Does it depend whether you're writing a Page / UserControl / other?
C# - Remove All EndRequest Handlers In PageRequestManager?
Oct 4, 2010How to remove all endRequest handlers in PageRequestManager?
View 1 RepliesC# - Programmatically Set HTTP Handlers In .NET Application?
Nov 4, 2010I need to dynamically instantiate a web application from a console application. By this definition, I mean that my console application contains a web application that is not bound to IIS/XSP.Currently, I create the web application into a temporary directory and copy some forged files into it. These are a special Global.asax that maps to my own implementation of HttpApplication to use in the web application (I need to do some initialization at app start), then I forge special .asmx files that map to my own skeleton classes and dynamic plugins
foreach (IPlugin plugin in _target.Plugins)
{
WsdlSkeletonDefinition[] defs = plugin.GetWsdlSkeletons();
My approach works, but I'm not so satisfied by it because I have to write lots of garbage into file system, even if I eventually delete it all.I know I can control HTTP handlers via Web.config, but I don't want to forge a Web.config for that. I would like to create a mapping such as I can remove the .asmx extension from web services' URLs and still get them.For example, one of the default scripts is "LogbusManagement.asmx", which must be hard-coded into client APIs and the .asmx prevents portability to other platforms such as PHP. I want to make "LogbusManagement.asmx" equivalent to "LogbusManagement" and any extension. For this, I might use an HttpHandlerFactory.
My straight question is,like asked here by somebody else: is there a way to programmatically, possibly from Global.asax, to set IHttpHandlers or IHttpHandlerFactories for web applications?
Configuration :: Handlers Is Not Working With IIS7?
Mar 7, 2010I have added two handlers in Web config under the System.Server for work to IIS7, but i got this error
<system.webServer>
<validation validateIntegratedModeConfiguration="false" />
<staticContent>
<clientCache httpExpires="Sun, 29 Mar 2020 00:00:00 GMT" cacheControlMode="UseExpires" />
[Code]....
Error:
500 - Internal server error. There is a problem with the resource you are looking for, and it cannot be displayed.
Configuration :: How To Create And Configure Custom Handlers In IIS 5.1
Feb 23, 2011how to create and configure custom handlers in IIS5.1 and also about mapping the extensions in IIS5.1....?
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