I’ve always wanted to know how things work. By the time I learned to talk I was asking my mother things she couldn’t answer:
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Last time we discussed Serializing Data with System.Xml.Serialization.XmlSerializer. We will be using the same sample solution for this article.
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Serializing objects is often a useful way to save the state of an application. Let’s take a look at doing this using the XmlSerializer object.
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I’m happy to announce there’s now a somewhat usable version of Cash Tracker available for download. Click here to get it!
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I’ve undertaken a personal project in my spare time. It’s a personal finance application I’m calling Cash Tracker. You can read the technical details on the Cash Tracker page.
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If your web application relies on session to persist the user’s state and you’ve ever tried writing your own HTTP handler, you’ve probably run into an error: “Session state is not available in this context”. Thankfully, there is a simple remedy.
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The .Net Framework makes version checking extremely simple. The framework provides a Version class that implements IComparable. Comparing two version is as easy as the code below:
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I had to write a method to put images onto PDFs generically, so I wrote this handy little method. Just get your PDF and your image into byte arrays and fire the method below. I used PDFSharp to append the image. This method could be used to do things like build a letterhead generator or any other kind of PDF document generation.
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Any time I have code I need to release for an ASP.NET website that I know is going to cause a recompile (like anything in app_code, any new binaries, master pages, user controls, etc.) I try to avoid doing it when I know there are a lot of users on the site. The best way to ensure that nobody will be using your website is to add scheduled maintenance support to your site. It’s very easy to do and it can save you and your users a lot of headache while you make updates.
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From time to time I run across a table I need to update based on an ID column or other condition that doesn’t originate from that table. This usually occurs when there are one or more foreign keys in play. For instance, consider the tables below:
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Relaying information snippets and error messages is one of the most common tasks between web application developers. The most basic control this can be done with is the Literal. That’s great for an internal application or a school project, but in the real world information has to be both visually appealing and convey what the message is about using an icon or other form of illustration.
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If you run a business that serves a variety of web-enabled products to your clients, the task of implementing sign-on logic for each one can become redundant and hard to maintain. Having a single sign on service can help modularize the sign on process for all of your products as well as add fluidity as your users move between your services.
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UPDATE: This post is now obsolete since GoDaddy now allows multiple installations of wordpress. I’ll call that a bug fixed!
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