Apr 25
Three different implementations of a Canadian federal and provincial Income Tax Calculator for 2008. As Excel spreadsheet, HTML-based solution in JavaScript and ASP.NET/C#. Online calculators for last two web-based implementations.
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Apr 7
ASP.NET web control to implement a docking panel. The panel can stick to the top, bottom, left or right edges of its container, with a horizontal or vertical orientation. Collapsing and expanding the panel is done with animation. Multiple docking panels can be grouped together for an accordion effect (one only collapsed at a given time).
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Apr 6
Simple ASPX page with code behind only, to generate on-the-fly images for web pages. An immediate application generates vertical text as images, but same handler can be used to transfer on the client side other kinds of bitmaps, such as database images, custom drawings or image files not part of the website.
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Mar 11
Techniques and practical examples of building and using HTML panels with round corners or shadow effects. Most are implemented with a TABLE-based or DIV-based approach and use CSS styles. No server-side or JavaScript code required.
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Jul 5
Step-by-step design of an animated collapsible HTML panel, that you can use on your web site. Start with the designed of a nice TABLE and DIV-based fixed panel with thin border and caption text. Add gradient color background and shadow image. Add JavaScript code for collapse/expand actions and animation. Reverse-engineer similar panels from other websites.
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May 22
Customizable CAPTCHA Image C# class, through a simple CAPTCHA Image Viewer/Generator, with ASP.NET project, including online demo. CaptchaImage class contains only customizable properties, for different GDI+ drawing effects and custom bitmap, built on-the-fly and returned by the Image get property.
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Apr 27
Automatic extraction of standard and custom Microsoft Office document properties. Information is extracted through Office components and COM interfaces, not directly from the document files. Demo for Word, Excel and PowerPoint documents.
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Apr 27
Create a simple Image Editor, with basic functionality for image operations and extraction. ImageEdit wrapper for an Image object, thumbnail, resize operations, write text, change borders. Automate changes on multiple image files.
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Apr 25
Automatically collects advertised jobs from job sites and company sites, and exposes combined aggregated results in new presentation format. Based on the generic web scrapper class, this demo presents the way data extracted from different sources can be mixed-up and exposed in different new ways.
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Apr 22
Tutorial on the multiple ways to send HTTP web requests in .NET and process returned web results and result streams. Demos with HttpWebRequest/Response classes, WebClient, ASP.NET Request/Response objects, and sending explicit HTTP requests from the socket level. Demistifying HTTP request and response headers.
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