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ASP.NET Listings
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187 | Displaying: 101 - 110 | Pages: << 2 3 4 5 6 7 8 9 10 11 >> |
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Common relationships in object-oriented programming are the aggregation, association, and dependency. When object A is composed of and responsible for the lifetime of a contained object B, we call this relationship an aggregation. When object A uses the facilities of another object B but is not responsible for the object\'s lifetime, we call this relationship an association. When an object A is dependent for part of its implementation on a second object B, we call this relationship a dependency. If the multiplicity of aggregate, associative, or dependent objects is greater than one then we often employ an array, collection, DataSet, or DataTable to represent the multiplicity of objects.
Updated: 05/13/2005
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There are a number of ways to serialize and store objects in the ASP.NET Runtime - the Session collection, Cache object, Application state, the HhttpContext.Items collection, and more. String type items can be passed on the querystring or in hidden Form fields as well. Object Graphs can also be stored in the AppDomain Cache where they are available to any assembly running in the same AppDomain, for example a database class library assembly that may be used by an ASP.NET page, but does not explicitly derive from any of the System.Web namespace classes and therefore does not have access to the Session, Cache, etc. objects.
Updated: 05/13/2005
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Recently, while working on a large ASP.NET application, I decided I wanted to repeat data that could be displayed conveniently in a DataGrid. I thought naturally that the DataList was good for repeating things. Why not use the DataList to repeat a DataGrid? I quickly discovered why not. This nesting relationship seems to be broken.
Updated: 05/13/2005
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After developing several ASP.NET WebForms applications, I have to say that ASP.NET is a great framework. Despite the fact that my knowledge about the ASP.NET architecture is near to nothing, I was still able to develop something useful (I hope!). For the most part, my ASP.NET applications are simple, ad-hoc front-ends to some back-end functionality. I didn't need to use any sophisticated custom controls; just a UserControl here and there in order to encapsulate some repeating functionality within a single application.
Updated: 05/13/2005
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This article discusses:Security enhancements in ASP.NET 2.0 Server-side security controls.User and role databases.Cookieless forms authentication .New security features are an important improvement in ASP.NET 2.0. These features include membership services that manage a database of user accounts, hashed passwords, a role manager for managing role membership for users, and five new server-side controls that make implementing forms authentication much easier. ASP.NET 2.0 also offers a provider model that gives you complete control over the implementation of the Membership and Role services and cookieless forms authentication.
Updated: 05/13/2005
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Do you still have classic ASP applications or websites that you need to migrate to ASP.NET? If so have we got news for you... introducing the ASP to ASP.NET Migration Assistant from Microsoft. Here's what Microsoft has to say about it: The ASP to ASP.NET Migration Assistant is designed to help you convert ASP pages and applications to ASP.NET. It does not make the conversion process completely automatic, but it will speed up your project by automating some of the steps required for migration.
Updated: 05/13/2005
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In part one of this two part series we took a look at ASP.NET user controls, HTML controls, server controls, and the code behind method. In this article (the final article in the two part series), we will take a look at custom controls and components. It is recommended that you read the first article before continuing if you haven't already.
Updated: 05/13/2005
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ASP.NET has raised the bar for Web development considerably with very rich developer functionality built into a flexible and highly extensible object model. For developers who come from a background of hand coding ASP or other scripting or CGI style technology .Net seems almost too good to be true as it reduces a lot of redundant code and simplifies the development process significantly. But one area – simple data binding for controls like textboxes, checkboxes, radio buttons and so on leave a lot to be desired both in terms of ease of use for binding the data as well as providing the ability to read the data back into the data source. In this article Rick examines what\'s wrong with simple data binding and provides a set of subclasses that make data binding a lot quicker requiring much less manual code.
Updated: 05/13/2005
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ASP.NET form validators spelled the end of repetitive validation code. What used to take hours can now be accomplished in a matter of minutes using Visual Studio.NET\'s drag-and-drop interface. ASP.NET form validators offer flexibility both in the types of validation they support and in displaying error messages to users. Most developers shudder at the thought of returning to the validation techniques of three years ago.
Updated: 05/13/2005
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Column sorting in an ASP page is a very useful feature giving the user the ability to sort the presented data to their liking, that and can easily be done in one direction by passing the appropriate column sorting order into your query string. But to dynamically and bi-directionally sort is another thing not common and inherent in .NET right out of the box; well unless this is .NET 2.0, which is cool and standard. But since that won\'t be official for a while, we'll deal with .NET 1.1 in the meantime. At any rate, anyone searching the internet for this kind of functionality will undoubtedly run into quite a few ways of doing this. But I felt I'd just present it in a simple a manner as possible, without any extra hubbub.
Updated: 05/13/2005
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ASP.NET Listings
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Total:
187 | Displaying: 101 - 110 | Pages: << 2 3 4 5 6 7 8 9 10 11 >> |
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