ASP.Net Tutorials - Improve your understanding of ASP.Net

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An alternative to inline SQL for ADO developers Inline SQL statements make writing data access code easy but don't offer top performance. Stored procedures can slow development. Here's an alternative...

Streamline .NET strings Strings are integral to most app dev projects, so it is imperative that they don't impair performance. The .NET StringBuilder class streamlines string values processing...

Including Subheadings in a Datagrid Oftentimes, the data displayed in a DataGrid can be logically grouped in some manner. For example, in Scott Mitchell's An Extensive Examination of the DataGrid Web Control, Scott displays the FAQs from the ASPFAQs.com database....

Reduce server calls with an ASP.NET script Web server buttons under .NET are handy, but they can cause unnecessary calls to a server if designed improPHPy. Learn a simple method for using an ASP.NET client-side script to ease server calls...

ASP.NET Charting Using Office Web Components (OWC) A common requirement when developing applications is to provide some interactive charting. For example, you may be developing an application that helps managers maintain sales or production data. This data might be stored in a SQL database, and your appli...

KBAlertz with a Custom Server Control In this article we will quickly walk through the code for a custom server control which you can use to add KBAlertz to any site, not just one running the IBuySpy portal. We will go through how to inherit from an existing control, override events and metho...

An introduction to the Request Validation feature in the .NET During the last couple of months, I have had several encounters with questions and frustrated comments regarding the Request Validation feature that was introduced in v1.1 of the .NET Framework. Many of the questions and, dare I say all, of the frustratio...

A Robust Image Gallery for ASP.NET In a previous 4Guys article - True Image Resizing - author Scott Mitchell demonstrated how to build a simple image gallery that displayed thumbnailed images. Wanting to build a gallery to store digital images of my friends and family...

Building a Full-Featured Custom DataGrid Control In this article, we will examine and implement these very features and demonstrate how you can build your very own Datagrid control component, one that you will be able to customize, and more importantly reuse. Based on this ability, you will then end up...

Creating a Generic Pager Control ASP.NET provides only one control that supports paging, the DataGrid. Tomasz Kaszuba shows how to build and implement a custom pager for different controls that change depending on the data source or presentation...

Retrieving Images from a Database - Introduction In the first part of our article, we uploaded a file and stored it in our database. Now, we are going to stream binary data out of a database and to a browser client...

Computing aggregated data in a DataTable The other day I was struggling to come to terms with how to perform aggregate queries on a DataTable. I was able to create calculated columns to display calculated data but, I couldn’t work out how to return aggregated data from a query over a DataTable...

Deploying ASP.NET Applications - Part 2 The second and final article in this series shows how to add advanced functionality such as customizing the installation dialog boxes and their sequence, installing registry entries, and creating custom folders to Windows installer files. The article also...

Implement Web form tracking with ASP.NET Keeping robust logs without dragging down performance requires a bit of skill. Use ASP.NET to generate rich Web form tracking logs without unacceptably impeding performance....

Role-Based Authorization With Forms Authentication In Web applications, typically there exist certain parts of the site that only certain individuals, or groups of individuals, can access. For example, imagine an intranet Web site used to administer the content on a company's public Internet Web site, whe...

Populating the TreeView Control from a Database Populating the TreeView Web Control from a database allows menu and input trees to change on the fly. Don Schlichting provides an introduction to the TreeView and then provides detailed steps for populating the tree from a database using ADO.NET...

Paranoia: Cross Site Scripting They're watching you, waiting for the right moment to pounce! A little cross site scripting, and you - and your users - are in trouble...

Paging with ASP.NET When making the transition from ASP to ASP.NET, you will discover that paging through database records has become both remarkably simple and more difficult at the same time...

Putting the DataGrid on a Diet The datagrid may be the most powerful component in ASP.NET. If not, it certainly has to be on any short list. But the Datagrid is a pig. It creates HUGE amounts of Viewstate...

Developing components: Assembly identification With the release of .NET Framework 1.1, your users need to know the version associated with your applications. Use several .NET features to make versioning easier to determine and communicate....

Reap the benefits of using VB ActiveX .dll files in Active Server Pages Nobody likes to work harder than necessary, and you're probably no exception. So if we told you that a simple technique could make your ASP pages faster and more efficient...

Creating a RollOver Button Server Control Recently an individual I am beginning to train in ASP.NET emailed me and asked if there was an easy way to provide roll-over buttons in an ASP.NET Web page. Roll-over buttons, which you'll find on a number of Web sites...