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This article is based on the March 2004 Community Technology Preview of ASP.NET 2.0. All information contained herein is subject to change. This article discusses: New data source components in ASP.NET 2.0 Binding to business objects and XML data GridView and DetailsView controls This article uses the following technologies: ASP.NET, Data, C# Code download available at: ASPNET20Data.exe (134KB) he vast majority of Web applications consume data of some sort, and one of the...
Updated: 05/28/2005
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Over the last 2 plus years, I5;ve run into several situations where developers have moved from classic ASP to ASP.NET and have chosen (not always correctly, in my opinion) to use their own \"custom methodology\" in an effort to avoid the codebehind model that5;s built into Visual Studio.NET. There are a number of reasons for this; they\'re not always all logical, and some are downright fallacious. I\'ll try to address some here and...
Updated: 05/28/2005
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Introduction For building scalable and high-performance Web based applications, ASP.NET provides a feature called data caching. Data caching enables programmatic storing of frequently accessed data objects in memory. This feature can be extended to vastly improve performance for ASP.NET applications that query data stored in an Oracle database. This article describes a...
Updated: 05/28/2005
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This article describes how to use ASP.NET to create images on-the-fly for display within a Web page. You are going to need IIS and the .NET framework installed on your machine in order to try the code out. I used Visual Studio.NET to create the code, but you can use Notepad just as easily. You just won\'t have your code coloured for you! To demonstrate the...
Updated: 05/28/2005
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Accessing shared resources is a challenge for many ASP.NET developers. This challenge is encountered when attempting to develop Web forms and Web services. Microsoft .NET has a new approach to user authentication and authorization, which is generally a subject covered under security in most programming books and magazines. Most security articles and books dedicate a large portion...
Updated: 05/28/2005
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Web developers would give anything for a programmable tool that would allow them to avoid page refresh. Imagine the following, rather common, scenario: You add a grid control to an ASP.NET page and make it show users a navigation bar. Whenever the user clicks to display a new set of rows, the page posts back, performs some work on the server, and then reappears identical to the previous time (except for the new set of grid rows). This process carries a...
Updated: 05/28/2005
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This article follows up on the article, Using Nested DataGrids in ASP.NET . Introduction The DataList, DataGrid, Repeater, and plain old HTML can be used to create some advanced presentations in ASP.NET. In this article—a continuation of a three-part article—I will demonstrate how to intersperse HTML table rows and cells across DataList templates to intimately manage the appearance of a DataList. In addition, I will demonstrate how to nest...
Updated: 05/28/2005
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Sample Chapter by Alex Ferrara and Matthew MacDonald In part one in this series of book excerpts from Programming .NET Web Services , learn how to write an ASP.NET HelloWorld Web service application. Using the .NET Framework, it\'s easy to get a basic service up and running. In just a few minutes and fewer lines of code, you can put together a simple \"Hello World\" service without any...
Updated: 05/28/2005
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When I first started out, it was hard to find information on how to setup an ASP.NET HTTP handler. Of course, after time, I\'ve found a wealth of articles, posts, and comments from others on these and other related topics. As my second post in the HTTP module/handler saga , I hope to give you an in-depth discussion on the topic of handlers to include pros, cons, and a sample...
Updated: 05/28/2005
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This article assumes you\'re familiar with ASP.NET and C# Level of Difficulty 1 2 3 SUMMARY Cryptographic hash algorithms produce fixed-length sequences based on input of arbitrary length. A given input always produces the same output, called a hash code. Using these algorithms, you can compute and validate hash codes to ensure that code running on your machine has not been tampered with or otherwise changed. ASP.NET provides a software mechanism for validating hash code...
Updated: 05/28/2005
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