Search Results for "data sources"

The data binding through ASP.net is not as fast as the world is; the process of assigning data sources is slow at work. In one way the data binding can be done through ASP .net the user can bind the data from data to data but the user cannot unbind it from the control back into its underlying data source, we cannot call ASP.net as data binding. Actually the ASP.net has got data display mechanism. There are two ways in binding the data through ASP.net the general way of binding the data is list based and it is used to bind the data to a list box.

W3C recommended on January,23 2007 status to Xquery the SQL did query language for relational databases , xml used the same language which was done by SQL, x query helps the user to work on one common model though it might be any kind of the work the user does. SQL/XML is different type of standard which uses declarative and portable queries return to XML by querying relational data, many might think why standard for XML and databases? The applications of the enterprise access and work with data from multiple desperate sources, from the

Rick Strahl understands what he's doing, and shares his expertise in this older article. He has some interesting suggestions: " What’s wrong with Data Binding in ASP. Net? Unfortunately, I personally think that data binding in ASP.Net doesn’t go nearly far enough. First the process of assigning data sources is cumbersome at best using either a slow and work extensive designer or alternately by having to embed yet another script based markup tag (<%# %>) into source code. Both are way too cumbersome if you’re dealing with a lot of data on

On Jan. 23, 2007 the W3C granted Recommendation status to XQuery, the XML query language designed to do for Web services what SQL did for relational databases. XQuery allows you to work in one common model no matter what type of data you're working with -- relational, XML or object data. It's used for queries that must represent results as XML, to query XML stored inside or outside the database, or to span relational and XML sources. SQL/XML is another standard that uses declarative, portable queries to return XML by querying relational data. It's an

"One of the most frequent questions I get regarding data binding is how to hook up a combo box with a data bound list of selections from a related table or collection, and have selections in that combo box set a corresponding value in the related collection. For example, in the following form, the main collection is the Products table from Northwind. The textboxes are displaying a couple of the columns from that table, and the combo box is displaying the supplier name from the related Suppliers table. Products contains a foreign key column with a

XML is a versatile markup language, capable of labeling the information content of diverse data sources including structured and semi-structured documents, relational databases, and object repositories. A query language that uses the structure of XML intelligently can express queries across all these kinds of data, whether physically stored in XML or viewed as XML via middleware. This specification describes a query language called XQuery, which is designed to be broadly applicable across many types of XML data sources. This document has been

This article gives an overview of data binding in the .NET framework. Microsoft has beefed up the data binding features considerably in .NET which has made data binding a compelling option to tie your front-end to data sources. I have concentrated on .NET windows forms data binding. What is DataBinding? DataBinding is a powerful feature provided by the .NET framework that enables visual elements in a client to connect to a datasource such as DataSets, DataViews, Arrays etc. Some of the visual elements in the client can be TextBox, Datagrid etc. A

An important application of XML is the interchange of electronic data (EDI) between multiple data sources on the Web. As XML data proliferates on the Web, applications will need to integrate and aggregate data from multiple source and clean and transform data to facilitate exchange. Data extraction, conversion, transformation, and integration are all well-understood database problems, and their solutions rely on a query language. We present a query language for XML, called XML-QL, which we argue is suitable for performing the above tasks. XML-QL is a

Overview Data binding provides a way for developers to create a read/write link between the controls on a form and the data in their application (their data model). Classically, data binding was used within applications to take advantage of data stored in databases. Windows Forms data binding allows you to access data from databases as well as data in other structures, such as arrays and collections. Binding Context Each Windows Form has at least one BindingContext object that manages the CurrencyManager objects for the form. For each data

Windows Presentation Foundation (WPF) data binding provides a simple and consistent way for applications to present and interact with data. Elements can be bound to data from a variety of data sources in the form of common language runtime (CLR) objects and XML. ContentControls such as Button and ItemsControls such as ListBox and ListView have built-in functionality to enable flexible styling of single data items or collections of data items. Sort, filter, and group views can be generated on top of the data. The data binding functionality in WPF has

Abstract : XML is an extremely versatile markup language, capable of labeling the information content of diverse data sources including structured and semi-structured documents, relational databases, and object repositories. A query language of similar versatility is needed to realize the potential of XML as a universal medium for data interchange. Most existing proposals for XML query languages are robust for particular types of data sources but weak for other types. In this paper, the authors combine features from several sources to propose a new