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Using the TreeView IE Web Control
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| Total Hit (1324) |
Learn about the TreeView Web control and how to start using it in your ASP.NET Web applications. In addition to the standard ASP.NET Web controls (like the TextBox, DropDownList, DataGrid, DataList and so on) Microsoft has released an additional set of Web controls designed to take advantage of feat
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Summarizing Data with ROLLUP
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| Total Hit (726) |
Oftentimes, when building Web-based reporting tools we need to show totals and sub-totals for information stored in the database. For example, imagine that you worked at an eCommerce site like Amazon.com that sold products from a variety of categories: books, electronics, clothes, etc. Managers woul
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Including Subheadings in a Datagrid
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A short while ago I was tasked with adding subheadings into a datagrid, something I have not tried to do, or even thought of doing prior to this assignment. Thus, the task was a little bit beyond my skillset. Having searched around the net for examples, I came up dry. I eventually solved this proble
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Deciding When to Use the DataGrid, DataList or Repeater
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Learn about ASP.NET's three controls for displaying data: the DataGrid, the DataList, and the Repeater. Each of these controls has unique traits and associated advantages and disadvantages. When creating an ASP.NET application that displays data, it is important to choose the right control for the j
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Reading and Writing Text Files with the .NET Framework
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| Total Hit (775) |
Ideally, all persistent data should be stored in a database, but oftentimes Web developers find themselves using plain old text files for some kind of persistent storage. There are usually better alternatives, but since this technique is still used quite a bit, it is worthwhile to discuss how to rea
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Displaying XML Data in the Internet Explorer TreeView Control
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| Total Hit (1169) |
You have to tip your hat to Microsoft when it comes to the amount of free developer resources they have made available for us ASP.NET developers. First, there was the Web Matrix Project, a free GUI/RAD tool designed specifically for creating ASP.NET Web pages. Then the ASP.NET team provided the comp
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Role-Based Authorization With Forms Authentication
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| Total Hit (1683) |
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, where the public Web site lists products sold by
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Computing Values from a DataTable
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| Total Hit (1142) |
When checking out the blogs at weblogs.asp.net, I found Darren Neimke's interesting entry for today on computing aggregated data in a DataTable. In his blog entry, Darren mentions two not well-known features of the DataTable: the Expression property of the DataColumn class and the DataTable's own Co
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Injecting Client-Side Script from an ASP.NET Server Control
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| Total Hit (1346) |
While, technically, all of an ASP.NET server control's functionality can be performed on the server-side, often the usability of a server control can be greatly enhanced by adding client-side script. In this article we'll examine two means by which server controls can emit client-side script. We'll
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Creating a Pageable, Sortable DataGrid
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| Total Hit (1361) |
Learn how to build a sortable DataGrid and a pageable DataGrid; learn the steps necessary to combine these two techniques into creating a single sortable, pageable DataGrid. The DataGrid Web control allows ASP.NET developers the ability to quickly and easily display data. In addition to being able t
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