Difference between revisions of "OOP Class10"

Revision as of 16:25, 5 April 2006

Response Object

Response.Write()

http://iam.colum.edu/oop/classsource/class10/Response/Response1.aspx Response1.aspx - source

Response.End()

http://iam.colum.edu/oop/classsource/class10/Response/Response2.aspx Response2.aspx - source

Response.Clear()

http://iam.colum.edu/oop/classsource/class10/Response/ResponseClear.aspx ResponseClear.aspx - source

Response.Flush()

http://iam.colum.edu/oop/classsource/class10/Response/ResponseFlush.aspx ResponseFlush.aspx - source

Debugging with response object

Using the response buffer can be extreemely usefull for debugging. Sometime you may hav to setup a small debug system to help catch errors in object that do not inherit from System.UI.Page.

Response.Flush()

http://iam.colum.edu/oop/classsource/class10/Response/ResponseDebug.aspx ResponseDebug.aspx - source

Application State

Application - application level variables have application scope meaning they are avialible to the entire application.

example

http://iam.colum.edu/oop/classsource/class10/application/ApplicationSet.aspx ApplicationSet.aspx - source

http://iam.colum.edu/oop/classsource/class10/application/ApplicationSetUpdateFixed.aspx ApplicationSetUpdateFixed.aspx - source

file global.asax global.asax-source

http://imdev/infod/jeff/classSource/class6/ApplicationCnt.aspx - source

GlobalAsax on c-sharp corner Session - The web server creates a session for each unique visitor

Session State

Dog examples

The first page creates a dog objects and stores it as a session variable.

http://iam.colum.edu/oop/classsource/class10/dogsession/dog.aspx dog.aspx - source

http://iam.colum.edu/oop/classsource/class10/dogsession/dog_session_Page1.aspx dog_session_Page1.aspx - source

http://iam.colum.edu/oop/classsource/class10/dogsession/dog_session_Page2.aspx dog_session_Page2.aspx - source

http://iam.colum.edu/oop/classsource/class10/dogsession/dog_session_Page3.aspx dog_session_Page3.aspx - source

View State

ViewState is an instance of statebag todo demostate viewstate

More Event Samples

A nice exmaple of a web page that uses exents to create and use our dog class. Notice hot the events and the dog class are only loosely coupled (the doesn't directly use the dog class).

http://iam.colum.edu/oop/classsource/class10/events/DogDelegateEvent.aspx DogDelegateEvent.aspx - source