TODAY JAVA SCHOOL

In java school, programming, design, computer general knowledge, web application, software, web services, social media, digital marketing, oops, concept of programming language, oops feature, console media, graphics medium, first programming, c, c ++ , Java, PHP, SQL, MySQL, HTML, HTML_5, J_query, JavaScript, Bootstrap, Framework, images with logos, examples, shared and explained.

https://www.amazon.in/b?node=26373545031&linkCode=ll2&tag=1234567801cdb-21&linkId=3b9882431b00409b44141e0344b35a15&language=en_IN&ref_=as_li_ss_tl

Breaking

Monday 27 April 2020

JSP PageContext Implicit Object In Java | JSP PageContext Implicit Object In Java In Hindi

JSP PageContext Implicit Object

In JSP, pageContext is an implicit object of type PageContext class.The
 pageContext object can be used to set,get or remove attribute from one of
the following scopes:
o    page
o    request
o    session
o    application

Example of pageContext implicit object

index.html

<html>  
<body>  
<form action="welcome.jsp">  
<input type="text" name="uname">  
<input type="submit" value="go"><br/>  
</form>  
</body>  
</html>  

welcome.jsp

<html>  
<body>  
<%   
  
String name=request.getParameter("uname");  
out.print("Welcome "+name);  
  
pageContext.setAttribute("user",name,PageContext.SESSION_SCOPE);  
  
<a href="second.jsp">second jsp page</a>  
  
%>  
</body>  
</html>  

second.jsp

<html>  
<body>  
<%   
  
Stringname=(String)pageContext.getAttribute("user",PageContext.SESSION_SCOPE);  
out.print("Hello "+name);  
  
%>  
</body>  
</html>  

Output

download image in jsp pagecontext object
Fig: JSP Pagecontext object

No comments:

Post a Comment