ComponentOne WebDataObjects for ASP.NET - .NET Component - 2008 v1 - 概要

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ComponentOne WebDataObjects for ASP.NET by ComponentOne

Create database applications on the web. ComponentOne WebDataObjects is an ASP.NET component that allows communication from web pages to data objects. An important feature of WebDataObjects is its server-side caching that allows session caching, memory resident tables, and automatic object pooling so that building powerful database web applications is made simpler. Compatible with Visual Studio 2003, Visual Studio 2005 and Visual Studio 2008 (VS2005, VS2008)

ComponentOne WebDataObjects for ASP.NET is included in the ComponentOne Studio Enterprise and the ComponentOne Studio for ASP.NET

ComponentOne WebDataObjects for ASP.NET features and benefits

Use the same code in Windows Forms and Web Forms

WebDataObjects allows you to work with data in Web Forms in the same manner and with the same code as in Windows Forms. You can create a data library encapsulating your data and business logic and use it both in Windows and Web Forms

Server side caching

Make your ADO.NET datasets reside on the server - Why is it so difficult to work with data in ASP.NET using only ADO.NET, without C1WebDataObjects caching support? The answer is simple, because ADO.NET data sets cannot reside on the server for the duration of a user session.

Every time the user sends a request to the server (usually referred to a post-back in ASP.NET), the data set has to be re-created, if it is not cached. There is no support for caching in ADO.NET except for storing whole data sets on the server, which is usually unacceptable for scalability reasons. Since post-backs are very common in ASP.NET, and unavoidable if you want to exploit rich ASP.NET capabilities, this is usually the main obstacle to using the rich data set model on the web.

Using C1WebDataObjects, you take advantage of its automatic server-side caching. You don't need to write sophisticated code or sacrifice performance. Simply set performance tuning properties for your data schema, specifying which of the supported caching modes to use with which data sets and table views (or, in Express Edition, with which connections and tables), and C1WebDataObjects does the rest automatically.

Server side caching provides scalability

Global cache is a common means for storage on the server for your web application serving all requests from all users while preserving the changes made by an individual user. When a data set is filled with data from a database, the fetched data is stored in the cache for later use, together with information about a user request, such as the filter condition used to fetch the data. When an additional request for the same data set with the same filter condition arrives from the same or another user, cached data is used to fill the data set instead of fetching data from the database.

Web Forms data is now as rich as is was in Windows Forms

Using C1WebDataObjects, now you can build your data and business logic for your Web Forms application using the same rich model as you did for your Windows Forms applications, including the same data set objects and the same data libraries. Essentially, it allows you to work with data in Web Forms in the same manner and with the same code as in Windows Forms. You can create a data library encapsulating your data and business logic and use it both in Windows Forms and in Web Forms.

Dramatic performance gains with session cache

Session cache stores every user's data set separately on the server. The greatest advantage of session cache is when it is used in Memory storage mode. In this case the whole data set object is stored in memory in a ready filled state, so it is immediately reused on post-backs, does not need to be filled with data at all. Performance gain can be dramatic, since there are virtually no delays for data retrieval.

Central repository to avoid data modification conflicts.

Application-wide (global) cache, where data belonging to different users are stored in a centralized repository while preserving each user's personal data modifications without conflicts.

Immediate access to large datasets

Memory-resident pre-fetched table views allowing immediate access to large amounts of read-only data. A memory-resident table view is fetched from the database only once, when it is first requested, and then is reused on every user request, for any user, at no cost to performance. This is, of course, a powerful feature for optimizing performance.

Automatic object pooling support

Another optimization feature included in C1WebDataObjects is object pooling. Object pooling is automatic; you don't need to write a single line of code or set properties to benefit from it. Object pooling eliminates the need for C1WebDataObjects to create a new internal object each time to service a new request.

What's New in 2004v1

Internal changes consistent with ComponentOne DataObjects for .NET

PartNumbers: PC-513330-147694 513330-147694 PC-513330-147695 513330-147695 PC-513330-147696 513330-147696

Publisher PartNumbers: ENT-STUDIO-GOLD-U ENT-STUDIO-U ESD-A-WEBDATAOBJECTS-R ESD-ENT-STUDIO-GOLD-U ESD-ENT-STUDIO-U

PurchaseOptions: ComponentOne WebDataObjects for ASP.NET (To renew your current C1 WebDataObjects for ASP.NET Subscription - Minimum Quantity 5)* 1 Developer Subscription Renewal License - Minimum Quantity 5 , ComponentOne Studio Enterprise 2008 v2 (To upgrade your expired C1 WebDataObjects for ASP.NET Subscription to a C1 Enterprise Studio Subscription)* 1 Developer Upgrade Subscription License - from any Individual ComponentOne Product Subscription , ComponentOne Studio Enterprise 2008 v2 (To upgrade your expired C1 WebDataObjects for ASP.NET Subscription to a C1 Enterprise Studio Subscription)* 1 Developer Upgrade Subscription License with Platinum Support - from any Individual ComponentOne Product Subscription

Resources: ComponentOne WebDataObjects for ASP.NET help, Read End-User License Agreement for ComponentOne Software, Download the ComponentOne Studio for WPF 2008 v2 evaluation on to your computer - Displays Nag Screens, Download the ComponentOne Studio for ASP.NET 2008 v2 evaluation for .NET 1.1 on to your computer - Displays Nag Screens, Download the ComponentOne Studio for ASP.NET 2008 v2 evaluation for .NET 2 and higher on to your computer - Displays Nag Screens, Download the ComponentOne Studio for WinForms 2008 v2 evaluation for .NET 2 and higher on to your computer - Displays Nag Screens, Download the ComponentOne Studio for Mobile Devices 2008 v2 for .NET 2 or higher evaluation onto your computer - Displays Nag Screens, Download the ComponentOne Studio for Mobile Devices 2008 v2 for .NET 1.1 evaluation onto your computer - Displays Nag Screens, Download the ComponentOne Studio for WinForms 2008 v2 evaluation for .NET 1.1 on to your computer - Displays Nag Screens, Download the ComponentOne Studio ActiveX 2008 v2 evaluation onto your computer - Displays Nag Screens

Operating System for Deployment: Windows Vista, Windows XP, Windows 2000, Windows NT 4.0

Architecture of Product: 32Bit

Product Type: Component

Component Type: ASP.NET WebForms, 100% Managed Code

Built Using: Visual C# .NET

Compatible Containers: Microsoft Visual Studio 2008, Microsoft Visual Studio 2005, Microsoft Visual Studio .NET 2003, Microsoft Visual Studio .NET, Microsoft Visual Basic 2008, Microsoft Visual Basic 2005, Microsoft Visual Basic .NET 2003, Microsoft Visual Basic .NET, Microsoft Visual C++ 2008, Microsoft Visual C++ 2005, Microsoft Visual C++ .NET 2003, Microsoft Visual C++ .NET, Microsoft Visual C# 2008, Microsoft Visual C# 2005, Microsoft Visual C# .NET 2003, Microsoft Visual C# .NET, Microsoft Internet Information Server 6.0, Microsoft Internet Information Server 5.0, Microsoft Internet Information Server 4.0, Delphi 2005 (9.0), Delphi 8.0, C#Builder, .NET Framework 3.5, .NET Framework 3.0, .NET Framework 2.0, .NET Framework 1.1, .NET Framework 1.0

Product Class: User Interface Components

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