<s>
ASP.NET	B-Application
is	O
an	O
open-source	B-Application
,	O
server-side	B-Language
web-application	B-Application
framework	I-Application
designed	O
for	O
web	O
development	O
to	O
produce	O
dynamic	O
web	O
pages	O
.	O
</s>
<s>
It	O
was	O
developed	O
by	O
Microsoft	O
to	O
allow	O
programmers	B-Application
to	O
build	O
dynamic	O
web	O
sites	O
,	O
applications	B-Application
and	O
services	O
.	O
</s>
<s>
The	O
name	O
stands	O
for	O
Active	B-General_Concept
Server	I-General_Concept
Pages	I-General_Concept
Network	O
Enabled	O
Technologies	O
.	O
</s>
<s>
It	O
was	O
first	O
released	O
in	O
January	O
2002	O
with	O
version	O
1.0	O
of	O
the	O
.NET	B-Application
Framework	I-Application
and	O
is	O
the	O
successor	O
to	O
Microsoft	O
's	O
Active	B-General_Concept
Server	I-General_Concept
Pages	I-General_Concept
(	O
ASP	O
)	O
technology	O
.	O
</s>
<s>
ASP.NET	B-Application
is	O
built	O
on	O
the	O
Common	O
Language	O
Runtime	O
(	O
CLR	O
)	O
,	O
allowing	O
programmers	B-Application
to	O
write	O
ASP.NET	B-Application
code	O
using	O
any	O
supported	O
.NET	B-Language
language	I-Language
.	O
</s>
<s>
The	O
ASP.NET	B-Application
SOAP	B-Application
extension	O
framework	O
allows	O
ASP.NET	B-Application
components	O
to	O
process	O
SOAP	B-Application
messages	O
.	O
</s>
<s>
ASP.NET	B-Application
'	O
s	O
successor	O
is	O
ASP.NET	B-Application
Core	I-Application
.	O
</s>
<s>
It	O
is	O
a	O
re-implementation	O
of	O
ASP.NET	B-Application
as	O
a	O
modular	O
web	B-Application
framework	I-Application
,	O
together	O
with	O
other	O
frameworks	O
like	O
Entity	B-Application
Framework	I-Application
.	O
</s>
<s>
The	O
new	O
framework	O
uses	O
the	O
new	O
open-source	B-Application
.NET	B-Application
Compiler	I-Application
Platform	I-Application
(	O
codename	O
"	O
Roslyn	B-Application
"	O
)	O
and	O
is	O
cross	B-Operating_System
platform	I-Operating_System
.	O
</s>
<s>
ASP.NET	B-Language
MVC	I-Language
,	O
ASP.NET	B-Language
Web	I-Language
API	I-Language
,	O
and	O
ASP.NET	B-Application
Web	I-Application
Pages	I-Application
(	O
a	O
platform	O
using	O
only	O
Razor	B-Application
pages	O
)	O
have	O
merged	O
into	O
a	O
unified	O
MVC	B-Language
6	O
.	O
</s>
<s>
ASP.NET	B-Application
supports	O
a	O
number	O
of	O
programming	O
models	O
for	O
building	O
web	B-Application
applications	I-Application
:	O
</s>
<s>
ASP.NET	B-Application
Web	I-Application
Forms	I-Application
–	O
A	O
framework	O
for	O
building	O
modular	O
pages	O
out	O
of	O
components	O
,	O
with	O
UI	O
events	O
being	O
processed	O
server-side	B-Language
.	O
</s>
<s>
ASP.NET	B-Language
MVC	I-Language
–	O
allows	O
for	O
building	O
web	O
pages	O
using	O
the	O
model	O
–	O
view	O
–	O
controller	O
design	O
pattern	O
.	O
</s>
<s>
ASP.NET	B-Application
Web	I-Application
Pages	I-Application
–	O
A	O
lightweight	O
syntax	O
for	O
adding	O
dynamic	O
code	O
and	O
data	O
access	O
directly	O
inside	O
HTML	O
markup	O
.	O
</s>
<s>
ASP.NET	B-Language
Web	I-Language
API	I-Language
–	O
A	O
framework	O
for	O
building	O
Web	B-General_Concept
APIs	I-General_Concept
on	O
top	O
of	O
the	O
.NET	B-Application
Framework	I-Application
.	O
</s>
<s>
ASP.NET	B-Application
WebHooks	B-Protocol
–	O
Implements	O
the	O
Webhook	B-Protocol
pattern	O
for	O
subscribing	O
to	O
and	O
publishing	O
events	O
via	O
HTTP	O
.	O
</s>
<s>
SignalR	B-Language
–	O
A	O
real-time	O
communications	O
framework	O
for	O
bi-directional	O
communication	O
between	O
client	O
and	O
server	O
.	O
</s>
<s>
Other	O
ASP.NET	B-Application
extensions	O
include	O
:	O
</s>
<s>
ASP.NET	B-Application
Handler	O
–	O
Components	O
that	O
implement	O
the	O
System.Web.IHttpHandler	O
interface	O
.	O
</s>
<s>
Unlike	O
ASP.NET	B-Application
Pages	O
,	O
they	O
have	O
no	O
HTML-markup	O
file	O
,	O
no	O
events	O
and	O
other	O
supporting	O
.	O
</s>
<s>
All	O
they	O
have	O
is	O
a	O
code-file	O
(	O
written	O
in	O
any	O
.NET-compatible	B-Language
language	I-Language
)	O
that	O
writes	O
some	O
data	O
to	O
the	O
server	O
HTTP	O
response	O
.	O
</s>
<s>
HTTP	O
handlers	O
are	O
similar	O
to	O
ISAPI	B-Library
extensions	O
.	O
</s>
<s>
ASP.NET	B-Application
AJAX	I-Application
–	O
An	O
extension	O
with	O
both	O
client-side	O
as	O
well	O
as	O
server-side	B-Language
components	O
for	O
writing	O
ASP.NET	B-Application
pages	O
that	O
incorporate	O
Ajax	B-General_Concept
functionality	O
.	O
</s>
<s>
ASP.NET	B-Device
Dynamic	I-Device
Data	I-Device
–	O
A	O
scaffolding	O
extension	O
to	O
build	O
data	O
driven	O
web	B-Application
applications	I-Application
.	O
</s>
<s>
This	O
does	O
not	O
apply	O
to	O
ASP.NET	B-Application
and	O
ASP	O
applications	B-Application
running	O
side	O
by	O
side	O
on	O
IIS7	O
.	O
</s>
<s>
It	O
is	O
not	O
essential	O
to	O
use	O
the	O
standard	O
Web	B-Application
forms	I-Application
development	O
model	O
when	O
developing	O
with	O
ASP.NET	B-Application
.	O
</s>
<s>
Base	B-Operating_System
One	I-Operating_System
Foundation	I-Operating_System
Component	I-Operating_System
Library	I-Operating_System
(	O
BFC	B-Operating_System
)	O
is	O
RAD	O
framework	O
for	O
building	O
.NET	B-Application
database	O
and	O
distributed	B-Architecture
computing	I-Architecture
applications	B-Application
.	O
</s>
<s>
DotNetNuke	B-Application
is	O
an	O
open-source	B-Application
solution	O
that	O
provides	O
both	O
a	O
web	B-Application
application	I-Application
framework	I-Application
and	O
a	O
content	O
management	O
system	O
that	O
allows	O
for	O
advanced	O
extensibility	O
through	O
modules	O
,	O
skins	O
,	O
and	O
providers	O
.	O
</s>
<s>
Castle	B-Language
MonoRail	I-Language
,	O
an	O
open-source	B-Application
MVC	B-Language
framework	O
with	O
an	O
execution	O
model	O
similar	O
to	O
Ruby	B-Application
on	I-Application
Rails	I-Application
.	O
</s>
<s>
The	O
framework	O
is	O
commonly	O
used	O
with	O
Castle	O
ActiveRecord	O
,	O
an	O
ORM	O
layer	O
built	O
on	O
NHibernate	B-Language
.	O
</s>
<s>
The	O
ASP.NET	B-Application
releases	O
history	O
tightly	O
correlates	O
with	O
the	O
.NET	B-Application
Framework	I-Application
releases	O
:	O
</s>
<s>
Developers	B-Application
are	O
no	O
longer	O
forced	O
to	O
use	O
Server.CreateObject( ... )	O
,	O
so	O
early-binding	O
and	O
type	O
safety	O
are	O
possible	O
.	O
</s>
<s>
All	O
the	O
.NET	B-Application
Framework	I-Application
3.5	O
changes	O
,	O
like	O
LINQ	B-Language
etc	O
.	O
</s>
<s>
Parallel	O
extensions	O
and	O
other	O
.NET	B-Application
Framework	I-Application
4	O
featuresThe	O
two	O
new	O
properties	O
added	O
in	O
the	O
Page	O
class	O
are	O
MetaKeyword	O
and	O
MetaDescription	O
.	O
</s>
<s>
Improved	O
async	O
support	O
(	O
output-cache	O
and	O
session	O
providers	O
)	O
April	O
11	O
,	O
2017	O
Included	O
in	O
the	O
Windows	B-Operating_System
10	I-Operating_System
Creators	O
Update	O
operating	O
system	O
support	O
for	O
TLS	O
protocols	O
October	O
17	O
,	O
2017	O
Included	O
in	O
the	O
Windows	B-Operating_System
10	I-Operating_System
Fall	O
Creators	O
Update	O
.	O
</s>
<s>
The	O
Mono	B-Application
Project	I-Application
supports	O
"	O
everything	O
in	O
.NET	B-Application
4.5	O
except	O
WPF	B-Device
,	O
WWF	O
,	O
and	O
with	O
limited	O
WCF	B-Application
and	O
limited	O
ASP.NET	B-Application
4.5	O
async	O
stack.	O
"	O
</s>
<s>
ASP.NET	B-Application
can	O
be	O
run	O
with	O
Mono	B-Application
using	O
one	O
of	O
three	O
options	O
:	O
Apache	B-Application
hosting	O
using	O
the	O
mod_mono	O
module	O
,	O
FastCGI	O
hosting	O
,	O
and	O
XSP	B-Application
.	O
</s>
