Software Design Engineering

Get Ajax in Oracle JDeveloper PDF

By Deepak Vohra

ISBN-10: 3540775951

ISBN-13: 9783540775959

ISBN-10: 354077596X

ISBN-13: 9783540775966

Asynchronous JavaScript and XML (Ajax) is an internet approach used to move information among a browser and server asynchronously with out posting the net web page to the server. "Asynchronously" signifies that the processing of the net web page maintains whereas the Ajax request is shipped to the server and a reaction is bought from the server. the net web page, or section(s) of the internet web page, is refreshed with the Ajax reaction with out reposting the net web page. Ajax has the subsequent benefits over non-Ajax internet applications.

- lowered reaction time and decreased server load, because the whole online page isn't really reposted.

- decreased bandwidth of net functions as merely info is transferred and the HTML structure is utilized within the browser.

- Separation of knowledge, structure and magnificence.

The ebook covers internet seek and RSS Feed with Ajax in addition to shape validation with Ajax frameworks for Java, JSP, JSF, and personal home page. It discusses utilizing Ajax in Oracle JDeveloper and is IDE established. JDeveloper has the next merits over Eclipse IDE.

- JDeveloper 11g presents an built-in JavaScript Editor for Ajax/Web improvement.

- It additionally presents a Hypertext Preprocessor extension.

- JDeveloper has a integrated aid for JSF and for JDBC.

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Extra resources for Ajax in Oracle JDeveloper

Sample text

Jsp add an input form with the

element. The input form has an input field for creating a catalog entry in Oracle database table CATALOG. The Catalog Id field is for specifying the Catalog Id and is the field we need to validate. 30 2 Developing an Ajax Web Application

…..

Prototype also provides functions for DOM processing, form processing, and event processing. We shall discuss the main Prototype functions and classes next. getElementById() function. For example a nonprototype JavaScript retrieves a form element formDiv as follows. getElementById(“formDiv”); The formDiv element may be retrieved with prototype as follows. 2 $F() function The $F()function is used to retrieve the value of a form element. For example, a non-prototype JavaScript obtains a form field value as follows.

Thus, a complete form does not have to be posted to the server to check if data added in the form is valid. In this chapter we shall create a web application using Ajax in JDeveloper 11g to validate an input form. 2 Setting the Environment Install JDeveloper 11g1 if not already installed. To install JDeveloper 11g download the zip file for JDeveloper 11g and unzip the zip file to the C:/JDeveloper11g directory. The preconfigured paths in JDeveloper 11g require that JDeveloper be installed in the JDeveloper11g directory.

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Ajax in Oracle JDeveloper by Deepak Vohra


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