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Creating Drop Shadows with Ajax in ASP.NET 2.0

In this tutorial we'll learn how you can apply drop shadows to your Panel controls in ASP.NET by using the DropShadowExtender
in the Ajax Control Toolkit. With this extender you can create visually asthetic Panel layouts.

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WPF: Using C# Interfaces to Create Polymorphic Classes

When a class is derived from another class, commonly known as a Base Class or Super Class it inherits all of its members (Methods, Events, Properties, etc.).  But say the derived class needs to modify what it has inherited?  There are two ways to accomplish this: The members can be replaced or the derived class can override its members (provided the base members are virtual...Don’t let this confuse you; I will explain in later).  If you replace a base class member you have to use the new keyword.  Personally, I don’t feel that this is best practice because I am of the opinion that if you have to replace a member of the base class there is a fundamental flaw in the design of the architecture but that is another article for another time; just take my word for it for now.  In this article I am going to explain to you how to:

  • Use Interfaces to declare methods;
  • Create a base class that declares and/or defines those methods;
  • Create classes that are derived from the base class;
  • Have the derived classes override the base class methods;
  • In the base class show you how to require that the derived child classes override the base class methods;
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Triggering an UpdatePanel CSS Change from a DropDown in ASP.NET 2.0

In this video tutorial we'll explore how we can trigger CSS changes on a server control contained inside an
UpdatePanel from a DropDownList control

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Creating Summary Rows in GridViews in ASP.NET 2.0

In this video tutorial we'll explore how you can override the GridView control's
HTML output and append a total or summary row to the end of the table.

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Using Cookies in ASP.NET 2.0

In this tutorial we will look at an example of using cookies to bypass database lookups when a user goes to a
fictitious company website. We'll simulate a login and then see how we can remember information about a user when they return to the page through cookies.

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Creating an Ajax Slideshow in ASP.NET 2.0

In this tutorial we'll take a look at the Ajax Control Toolkit SlideShowExtender control which is capable
of extending a basic Image control in ASP.NET and leveraging it as a slideshow control with basic
play/stop/previous/next controls.

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Customer Ticket System Part 3

In this, third part of the Customer Ticket System Sebastian Sulinski will show you how to create an Edit Customer page using Adobe Dreamweaver CS3.

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Formatting Data in a DetailsView Control in ASP.NET 2.0

In this tutorial we'll explore how to custom format specific fields of data according to different business rules,
allowing you to visually indicate to your users the differences between certain rows of data in your database.

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Using Ajax Masked Edit Controls in ASP.NET 2.0

Welcome to Using Ajax Masked Edit Controls in ASP.NET 2.0

In this tutorial we'll explore two of the handy control extenders available in the Ajax Control Toolkit for
ASP.NET 2.0 called MaskedEditExtender and MaskedEditValidator, allowing you to filter user input right
on your web pages without server validation

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Creating a Custom WPF ZStackPanel

Recently I found myself in a position whereby I had to create a WPF UserControl of an image viewer.  The design for the control looked as if you had taken a stack of images and dropped them down onto a surface.  That is, they were not perfectly lined up; some were rotated slightly, some were moved a little to the top, left, bottom or right.  

So, I thought about it and decided it would be a good idea to put all of the images into a ListBox Control; however, there was one slight problem: a ListBox Control uses a VirtualizingStackPanel  (VSP) to show it content (also known as Children) and a VSP arranges its Children just like a StackPanel; that is, it lines them up one after the other either vertically or horizontally. 


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Filtering GridViews with Stored Procedures in ASP.NET 2.0

In this tutorial we'll explore some of the more advanced data binding capabilities in ASP.NET 2.0 by binding a dropdown to a table and then using that dropdown control to feed a parameter to a stored procedure which returns data to a GridView control.

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Upload Multiple Files in ASP.NET 2.0

In this tutorial we'll look at an example which allows users to dynamically upload as many files as they like at one time. Although still bound by the single file selection limitation of the browser, it does give the added flexibility of being able to dynamically specify any number of files to upload at once.

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