Connect and share knowledge within a single location that is structured and easy to search. Thanks in advance. You need to make sure that the Username and Password you requesting from your html form is correct. The request. I was making the same mistake, in HTML part the input type tag should have a name attribute which can be the used by getParameter Method to get the input from the user. Stack Overflow for Teams — Collaborate and share knowledge with a private group.
Create a free Team What is Teams? Collectives on Stack Overflow. Learn more. Asked 7 years, 3 months ago. Active 2 years, 9 months ago.
Viewed 29k times. Nishad K Ahamed 1, 14 14 silver badges 24 24 bronze badges. Here spaces might be an issue. Add a comment. Active Oldest Votes. THNKS — beto. A PageContext is an instance that gives access to all the namespaces related to a JSP page, gives access to some page attributes and a layer over the application details.
Implicit objects are connected to the pageContext consequently. The PageContext class is an abstract class that is formed to be extended to give application-dependent applications whereof by compatible JSP engine runtime environments. In JSP, pageContext is an instance of javax. This object is considered as a method to obtain detail about the page while keeping away from most of the execution information. For each request, the credentials to the response and request objects are saved by this pageContext object.
By accessing attributes of the pageContext object, the out, session, config, and application objects are obtained. This pageContext object further holds information regarding the directives provided to the JSP page, together with the page scope, buffering information, and the errorPageURL. Adhering forward, now let us discuss the methods used in pageContext implicit object.
Below several methods are proposed that are used in pageContext object of which most frequently been involved are discussed below individually to a depth followed by clean java program to illustrate the implementation of implicit objects in JSP PageContext class. Remember: It supports over 40 methods which are inherited from ContextClass. If it finds the attribute then it will assign the attribute to Object obj otherwise it will return Null. At any level, if no attribute is found then it will return NULL.
Syntax: pageContext. Skip to content. Change Language. Related Articles. Table of Contents.
0コメント