What is the difference between UserControl, WebControl, RenderedControl and CompositeControl?
What is the difference, what is the official terms, are any terms obsolete in ASP.NET 3.5? ...
asp.net
ASP.net - How can one differentiate Page-Processing Time from Client-Transmission Time
The single timing column in the weblog naturally includes client transmission timing. For anamoly analysis, I want to differentiate pages that took excessive construction time from requests that simply had a slow client. For buffered pages, I've looked at the ASP.NET page lifecycle model and do not see where I can tap in and codewise m...
Set a UserControl Property to Not Show Up in VS Properties Window
I have a UserControl in my Asp.net project that has a public property. I do not want this property to show up in the Visual Studio Property Window when a user highlights an instance of the UserControl in the IDE. What attribute (or other method) should I use to prevent it from showing up? class MyControl : System.Web.UI.UserControl { ...
After connection ona access database encode data from iso-8859-2 to utf-8
I have database in iso-8859-2 format. But I need to create XML in utf-8. I almost don't know anything about asp.net so I need HELP! I have database in iso-8859-2, but I need to create xml file in utf-8. That means tha I must encode database before prinitng in UTF-8! Thanks In PHP goes like this: db_connect(); mysql_query("SET NAMES 'UTF...
Referenced Assemblies in Web Site
Am I correct in assuming that I always need to explicitly deploy referenced assemblies when their source changes? ...
What is the best way to handle authentication in ASP.NET MVC with a Universe database?
We use an IBM database known as Universe that holds all of our user id's, passwords, and profile information in a table called USERINFO. Can I use the Membership Provider to connect to this database and authenticate the user? The database access is actually through a web service since we don't have a direct connect to the database. ...
ASP.Net Session_Start event not firing
I have an ASP.Net 2.0 application in which the Session_Start event is not firing in my Global.asax file. Can anyone tell why this is happening and how I can get it working? The application worked fine on my Windows XP development machine, but stopped working when deployed to the server (Win Server 2003/IIS 6/ASP.Net 2.0). I'm not sure...
How do I Validate the File Type of a File Upload?
I am using <input type="file" id="fileUpload" runat="server"> to upload a file in an ASP.NET application. I would like to limit the file type of the upload (example: limit to .xls or .xlsx file extensions). Both JavaScript or server-side validation are OK (as long as the server side validation would take place before the files are bein...
IIS is keeping hold of my generated files
My web application generates pdf files and either e-mails or faxes them to our customers. Somehow IIS6 is keeping hold of the file and blocking any other requests for it claiming the old '..the process cannot access the file 'xxx.pdf' because it is being used by another process.' When I recycle the application pool all is ok. Does anybo...
Best way to implement mutliple Default Buttons on a ASP.NET Webform
What is the best way to implement mutliple Default Buttons on a ASP.NET Webform? I have what I think is a pretty standard page. There is a login area with user/pass field and a login button. Then elsewhere on the same page there is a single search field with a search button. ...
How do you pass an authenticaticated session between app domains
Lets say that you have websites www.xyz.com and www.abc.com. Lets say that a user goes to www.abc.com and they get authenticated through the normal ASP .NET membership provider. Then, from that site, they get sent to (redirection, linked, whatever works) site www.xyz.com, and the intent of site www.abc.com was to pass that user to the...
One Update Panel vs. Multiple Update Panels
I have an ASP.NET web page that displays a variety of fields that need to be updated best on certain conditions, button clicks and so on. We've implemented AJAX, using the ASP.NET Update Panel to avoid visible postbacks. Originally there was only one area that needed this ability ... that soon expanded to other fields. Now my web page ...
ASP.Net Redirect Response to a IFrame
How can I redirect the response to an IFrame? ...
How much data can/should you store in a users session object?
We have several wizard style form applications on our website where we capture information from the user on each page and then submit to a backend process using a web service. Unfortunately we can't submit the information in chunks during each form submission so we have to store it the users session until the end of the process and subm...
CodeFile vs CodeBehind
What is the difference between CodeFile="file.ascx.cs" and CodeBehind="file.ascx.cs" in the declaration of a ASP.NET user control? Is one newer or recommended? Or do they have specific usage? ...
What's the best way to handle long running process in an ASP.Net application?
In my web application there is a process that queries data from all over the web, filters it, and saves it to the database. As you can imagine this process takes some time. My current solution is to increase the page timeout and give an AJAX progress bar to the user while it loads. This is a problem for two reasons - 1) it still takes to...
asp.net dropDownBox selectedIndex not being maintained.
I have a weird problem with a dropdownbox selectedIndex always being set to 0 upon postback. I'm not accidentally rebinding it in my code. In fact I've placed a breakpoint at the very first line of the page_load event and the value is already set to zero. The dropdown is in the master page of my project, I don't know if that makes a diff...
How to 'bind' Text property of a label in markup
Basically I would like to find a way to ddo something like: <asp:Label ID="lID" runat="server" AssociatedControlID="txtId" Text="<%# MyProperty %>"></asp:Label> I know I could set it from code behind (writing lId.Text = MyProperty), but I'd prefer doing it in the markup and I just can't seem to find the solution. (MyProperty is a stri...
DropdownList autoposback after client confirmation
I have a dropdownlist with the autopostback set to true. I want the user to confirm if they really want to change the value, which on post back fires a server side event (selectedindexchanged). I have tried adding an onchange attribute "return confirm('Please click OK to change. Otherwise click CANCEL?';") but it will not postback regar...
ASP.NET MVC "Components"
Is there someway to have a part of the page that renders like a little sub-page, like components. For example if I have a shopping cart on all my pages? Thanks in advance :) ...