Sometimes we want to add handlers to events raised by children of a User Control. As far as I could google these are your options. 1. The  simplest way is to provide an accessor method that returns the control. Chances are if you only expose certain properties of your child control, develo... [More]

You can add references to assembly namespaces in your web.config to avoid having to register controls on every .aspx in your web site: [code:xml] <system.web>     <pages>         <controls>       &... [More]

This is probably old news to most people but I ended up googling for it so I'll record it here. Since .Net 2.0 there is a handy Ping class in the System.Net.NetworkInformation namespace that encapsulates - you guessed it - ping functionality. Here's some example code for performing a synch... [More]

I've found myself in need of debugging the javascript for the Ajax toolkit controls (AjaxCotnrolToolkit.dll) and in some cases the ASP.Net AJAX libraries. Here's how to set up an existing ajax-enabled web site to run from source code. This is intended for people using the Ajax framework... [More]

I got this error when implementing a custom membership provider for which I grabbed the code from this MSDN article.   When I tried to login through ASP.Net's Login control I got the following error:   "Hashed or Encrypted passwords are not supported with auto-generated keys... [More]

The html code that Paypal provides for donate buttons doesn't work when inserted directly into an ASP.Net web form. Because the Paypal form is nested inside the main <form> tag, when we click the button the page posts back to itself and effectively just refreshes. One way to get arou... [More]

In a recent web project I had a requirement for incremental searching - for each character entered into a text box we need to call a search function on the server and update a list displayed in a div in the browser. ASP.Net and a bit of Ajax makes this task quite simple. Calling The Server-Si... [More]

Update: After looking into this a bit further I found the problem doesn't exist in the Microsoft Ajax Library 3.5 (the same library bundled with ASP.Net 3.5). The same fix I propose here is implemented in that version...go me! Bill Gates must read my blog ;-P. So if you can upgrade, go for tha... [More]

ImageButton Shows the Ugly 'Submit Query' Text This was happening for me when I was setting the background image of the button using CSS. If you don't specify the ImageUrl attribute (or the value is empty string) 'Submit Query' will be shown. So the simple fix is to make sure ... [More]

Internet Explorer has a handy 'activeElement' property on the document object which keeps track of the current element that has focus. Firefox 3 is going to support the same property inline with the HTML 5 specification but that's a fair way off so here's a work around: [co... [More]