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99
Note the alphabetic link
s
at the bottom of the ma
s
ter grid. Since it would be impractical to di
s
play
all ma
s
ter record
s
at once,the application u
s
e
s
a cu
s
tom pager to allow the u
s
er to 
s
elect 
s
ymbol
s
beginning with a 
s
pecific letter. When the u
s
er click
s
one of the
s
e link
s
,the appropriate filter
condition i
s
pa
ss
ed to the underlying data
s
et.
ComponentOne Studio Enterpri
s
e Framework
Pre
s
en
t
a
t
ion Layer
The following 
s
creen
s
hot 
s
how
s
a WebForm
s
application with two C1WebGrid and two
C1WebChart control
s
. The ma
s
ter grid (top) i
s
u
s
ed to 
s
elect a 
s
ingle 
s
tock 
s
ymbol,which in
turn populate
s
the detail record
s
in the bottom grid a
s
well a
s
the chart control
s
.
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1100
Pre
s
en
t
a
t
ion Layer
The next 
s
creen
s
hot 
s
how
s
the 
s
ame application written for the WinForm
s
platform u
s
ing
C1TrueDBGrid in
s
tead of C1WebGrid,and C1Chart in
s
tead of C1WebChart. Note that the 
appearance i
s
virtually identical except for the ma
s
ter grid. Since the WinForm
s
platform doe
s
not have the 
s
ame limitation
s
a
s
WebForm
s
,thi
s
application u
s
e
s
the virtual mode feature of the
data layer. When the form load
s
,the ma
s
ter grid i
s
populated with a 
s
mall 
s
ub
s
et of the available
row
s
and i
s
re
s
pon
s
ive to end u
s
er 
s
crolling and navigation,even though only a portion of the
data ha
s
been fetched.
Without the ComponentOne data layer, the grid would not load at all until the entire data
s
et 
wa
s
fetched.
ComponentOne Studio Enterpri
s
e Framework
www.componentone.com
www.componentone.co.uk
Not only are the pre
s
entation layer component
s
vi
s
ually 
s
imilar, but both WinForm
s
and WebForm
s
application
s
s
hare the 
s
ame data library a
ss
embly. Thi
s
en
s
ure
s
that data validation rule
s
are
enforced con
s
i
s
tently in all client application
s
,regardle
ss
of platform.
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Repor
t
ing Layer
The reporting layer con
s
i
s
t
s
of a 
s
tandalone application,the ComponentOne Report De
s
igner,
and the following component
s
,li
s
ted by platform:
1111
ComponentOne Studio Enterpri
s
e Framework
Repor
t
ing Layer
REPORTINGLAYER COMPONENTS
WINFORMS
C1Report:  
H
osts 
r
epo
r
t de
fi
n
i
t
i
on 
fil
es c
r
eated 
wi
th the 
R
epo
r
D
es
i
gne
r
.
C1PrintPre
v
iew:  
R
ende
r
r
epo
r
ts on the sc
r
een and p
r
o
vi
des commands 
f
o
r
na
vi
gat
i
on,
pann
i
ng,
z
oom
i
ng,and p
ri
nt
i
ng.
C1Print
D
ocument:  
D
ocument c
r
eat
i
on eng
i
ne that suppo
r
ts st
yl
es,tab
l
es,page
setup,and 
r
ende
ri
ng methods.
WEBFORMS
C1
W
ebReport:  
A
A
SP.
NET
wr
appe
r
f
o
r
the 
C
1
R
epo
r
t cont
r
o
l
.
The ComponentOne reporting layer offer
s
a number of advantage
s
:
I
t import
s
exi
s
ting report definition
s
from
both Cry
s
tal Report
s
and Micro
s
oft 
A
cce
ss
.
I
t integrate
s
natively with the ComponentOne
data layer.
I
t i
s
platform
-
neutral. Report definition
s
can
be con
s
umed by both WinForm
s
and
WebForm
s
application
s
.
I
t make
s
deployment ea
s
ier by allowing
report definition
s
to be embedded within
application
s
.
I
t include
s
a powerful ob
j
ect model
(C1PrintDocument) that can be u
s
ed to 
programmatically render free
-
form report
s
.
Source code for the Report De
s
igner i
s
al
s
o
available.
Typically,a developer u
s
e
s
the Report De
s
igner application to create report definition
s
,which
are 
s
aved a
s
X
ML file
s
. Report definition
s
can be created from 
s
cratch or imported from
Micro
s
oft 
A
cce
ss
or Cry
s
tal Report
s
A
lternatively,report definition
s
can be created in code,
either by u
s
ing the ob
j
ect model to add group
s
and field
s
or by writing a cu
s
tom 
X
ML file.
The C1Report component i
s
u
s
ed to ho
s
t report definition
s
,which can be loaded at either
de
s
ign time or run time. Report
s
loaded at de
s
ign time are embedded within the application,in
which ca
s
e the report definition file need not be di
s
tributed.
The C1Report component can render report
s
directly to a printer,into a C1PrintPreview control,
or a
s
HTML and PDF file
s
that can be publi
s
hed on the Web. For 
A
SP.NET application
s
,the
C1WebReport control ho
s
t
s
the C1Report component and 
s
tream
s
HTML or PDF report
s
to the
client machine.
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1122
Repor
t
ing Layer
The following 
s
creen
s
hot 
s
how
s
a WebForm
s
application that u
s
e
s
C1WebReport to render a
report a
s
paged HTML with a ba
s
ic navigation bar. 
A
command button i
s
al
s
o provided for viewing
a PDF ver
s
ion of the 
s
ame report.
ComponentOne Studio Enterpri
s
e Framework
www.componentone.com
www.componentone.co.uk
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1133
ComponentOne Studio Enterpri
s
e Framework
Repor
t
ing Layer
The next 
s
creen
s
hot 
s
how
s
the 
s
ame application written for the WinForm
s
platform u
s
ing
C1Report and C1PrintPreview in
s
tead of C1WebReport. Note that the appearance of the report
it
s
elf i
s
identical, but C1PrintPreview provide
s
a much richer navigation model, including thumbnail
and outline view
s
.
As
an alternative to Micro
s
oft 
A
cce
ss-s
tyle banded report
s
,the C1PrintDocument component 
provide
s
a rich ob
j
ect
-
oriented framework for advanced document formatting and proce
ss
ing. 
I
t
s
feature
s
include multi
-
column page
s
,rich text formatting option
s
,table
s
(including ne
s
ted table
s
),
automatic column and page break
s
,and PDF export. 
I
n
s
tead of rendering a report definition 
created with the Report De
s
igner, C1PrintDocument expo
s
e
s
an ob
j
ect model for rendering 
content in code,either by drawing ob
j
ect
s
directly at 
s
pecific po
s
ition
s
on a page, or in the block
flow,where column and page break
s
are handled automatically when there i
s
not enough 
s
pace 
to accommodate the drawing ob
j
ect. 
C1PrintDocument integrate
s
s
eamle
ss
ly with C1PrintPreview,and al
s
o recognize
s
C1
-
printable 
control
s
. For example,multi
-
page control
s
s
uch a
s
C1TrueDBGrid and C1FlexGrid u
s
e the
C1PrintDocument component to print their content
s
.
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1144
Tran
s
forma
t
ion Layer
Tran
s
forma
t
ion Layer
The tran
s
formation layer extract
s
,convert
s
,load
s
,and 
s
ave
s
data from a variety of heterogeneou
s
s
ource
s
,including popular file format
s
s
uch a
s
X
ML, PDF, and Z
I
P. 
I
t i
s
u
s
ed internally by the
pre
s
entation and reporting layer
s
,and i
s
s
urfaced in 
s
tandalone component
s
s
uch a
s
C1Zip
and C1Pdf.
ComponentOne Studio Enterpri
s
e Framework
www.componentone.com
www.componentone.co.uk
TRANSFORMATIONLAYERCOMPONENTS
WINFORMS
C1Pdf:  
Cr
eates P
DF
documents,
wi
th suppo
r
f
o
r
secu
ri
t
y
,comp
r
ess
i
on,out
li
n
i
ng,
h
y
pe
rli
nks,and attachments.
C1
Z
ip:  
Cr
eates,opens,and manages 
ZI
fil
es.
Al
so suppo
r
ts data comp
r
ess
i
on 
wi
th
.
NET
st
r
eams.
WEBFORMS
Same as 
Wi
n
F
o
r
ms.
C1Pdf follow
s
the 
s
tyle of the .NET Graphic
s
cla
ss
,which make
s
it in
s
tantly familiar. For example,
the following code create
s
a document with a one
-
inch margin containing a 
s
ingle 
s
entence:
C1Zip provide
s
three level
s
of data compre
ss
ion cla
ss
e
s
A
t the highe
s
t level,developer
s
can 
create and open Z
I
P file
s
,te
s
t their integrity,and add,delete,and extract file
s
A
t the medium 
level,data can be compre
ss
ed into or expanded from regular .NET 
s
tream
s
,including memory,
file,and network 
s
tream
s
A
t the lowe
s
t level,the ZStream cla
ss
provide
s
a 100% C# 
implementation of Zlib, the popular data compre
ss
ion library. ZStream i
s
u
s
ed by the higher 
level cla
ss
e
s
in C1Zip.
// create the C1PdfDocument object
C1.C1Pdf.C1PdfDocument pdf = new C1.C1Pdf.C1PdfDocument();
// add content to the page
RectangleF rc = pdf.PageRectangle;
rc.Inflate(-72, -72);
Font font = new Font("Arial", 12);
pdf.DrawString("Hello World!", font, Brushes.Black, rc);
// save the document to a file
pdf.Save(@"c:\temp\hello world.pdf");
1155
ComponentOne Studio Enterpri
s
e Framework
Applica
t
ion Layer In
t
erac
t
ion
Applica
t
ion Layer In
t
erac
t
ion
The following table
s
s
ummarize how the four application layer
s
interact with one another:
PRESENTATION
Schema de
fi
n
i
t
i
ons and 
fi
e
l
d p
r
ope
r
t
i
es a
r
e e
x
posed to bound cont
r
o
l
s.
C
a
l
cu
l
ated 
fi
e
l
ds,
fil
te
r
cond
i
t
i
ons,and bus
i
ness 
l
og
i
c e
v
ents a
r
e e
v
a
l
uated.
C
onst
r
a
i
nts and 
v
a
li
dat
i
on 
r
u
l
es a
r
e e
v
a
l
uated du
ri
ng updates.
Vir
tua
l
mode 
i
s a
v
a
il
ab
l
e to bound cont
r
o
l
s.
REPORTING
Schema de
fi
n
i
t
i
ons and 
fi
e
l
d p
r
ope
r
t
i
es a
r
e e
x
posed to the 
R
epo
r
D
es
i
gne
r
.
C
a
l
cu
l
ated 
fi
e
l
ds,
fil
te
r
cond
i
t
i
ons,and bus
i
ness 
l
og
i
c e
v
ents a
r
e e
v
a
l
uated.
TRANSFORMATION
Schema de
fi
n
i
t
i
ons can be 
l
oaded 
fr
om o
r
sa
v
ed to 
XML
fil
es.
DATA
B
ound cont
r
o
l
r
espond to data 
v
a
li
dat
i
on e
rr
o
r
s and const
r
a
i
nt e
x
cept
i
ons
r
a
i
sed 
i
n the data 
li
b
r
a
ry
.
M
u
l
t
i
-
r
o
w
cont
r
o
l
s a
r
e opt
i
m
iz
ed to 
w
o
r
wi
th 
vir
tua
l
mode datasets.
REPORTING 
Gri
d cont
r
o
l
s p
r
o
vi
de p
ri
nt p
r
e
vi
e
w
f
unct
i
ona
li
t
y
.
C
1-p
ri
ntab
l
e cont
r
o
l
s e
x
pose the ent
ir
e dataset,not 
j
ust the 
vi
s
i
b
l
r
eg
i
on.
TRANSFORMATION
Gri
d cont
r
o
l
s can e
x
po
r
t the
ir
contents to 
HTML
and P
DF
.
DATA
T
he 
R
epo
r
D
es
i
gne
r
can 
i
mpo
r
t data schemas 
fr
om 
C
1
D
ataSet and
C
1
D
ata
Vi
e
w
components on the same 
f
o
r
m.
PRESENTATION
C
1P
ri
nt
D
ocument p
r
o
vi
des 
i
nte
lli
gent 
r
ende
ri
ng o
f
C
1-p
ri
ntab
l
e cont
r
o
l
s.
TRANSFORMATION
R
epo
r
ts can e
x
po
r
t the
ir
contents to 
HTML
,P
DF
,and 
Ex
ce
l
.
DATA
Schema de
fi
n
i
t
i
ons can be 
l
oaded 
fr
om o
r
sa
v
ed to 
XML
fil
es.
PRESENTATION
Gri
d cont
r
o
l
s can e
x
po
r
t the
ir
contents to 
HTML
and P
DF
.
REPORTING 
R
epo
r
ts can e
x
po
r
t the
ir
contents to 
HTML
,P
DF
,and 
Ex
ce
l
.
DATALAYERINTERACTIONS
PRESENTATIONLAYER INTERACTIONS
REPORTING LAYERINTERACTIONS
TRANSFORMATION LAYERINTERACTIONS
1166
Conclu
s
ion
Conclu
s
ion
ComponentOne Studio Enterpri
s
e i
s
an indi
s
pen
s
able 
s
et of tool
s
for 
s
eriou
s
application 
development. 
I
t combine
s
rich ob
j
ect model
s
and unparalleled functionality with ea
s
y
-
to
-
u
s
e
vi
s
ual de
s
igner
s
and component
s
I
t
s
data, pre
s
entation, reporting,and tran
s
formation layer
s
are tightly integrated,yet flexible enough to be coupled with Micro
s
oft data acce
ss
component
s
or third
-
party control
s
.
What make
s
ComponentOne Studio Enterpri
s
e unique i
s
that it i
s
not 
j
u
s
t a 
s
et of pre
s
entation
layer component
s
or reporting tool
s
,but a complete package that 
s
pan
s
all application layer
s
.
Data acce
ss
i
s
the foundation of any real
-
world application,and the ComponentOne data layer
ha
s
no peer.
With ComponentOne Studio Enterpri
s
e, developer
s
can add core functionality, improve 
performance, and build more exten
s
ible application
s
for any .NET platform.
1177
ComponentOne Studio Enterpri
s
e Framework
Componen
t
One S
t
udio En
t
erpri
s
e Re
s
ource
s
C1WebMarke
t
WinForm
s
and WebForm
s
Applica
t
ion
s
The C1WebMarket application
s
demon
s
trate the ver
s
atility of ComponentOne Studio Enterpri
s
e
and provide excellent example
s
of how the
s
e component
s
can be u
s
ed to produce functionally
equivalent application
s
in both WinForm
s
and WebForm
s
environment
s
V
i
s
it the demon
s
tration
s
ite at http:
//
c1webmarke
t
.componen
t
one.com to view ComponentOne data, grid,chart,
reporting,and u
s
er interface component
s
in action, and di
s
cover how the ComponentOne Studio
Enterpri
s
e Framework deliver
s
a truly integrated approach to .NET development. 
Key C1WebMarket 
A
pplication concept
s
include: 
•U
s
ing ComponentOne WebDataOb
j
ect
s
for 
A
SP.NET to implement a centralized data 
s
chema
with bu
s
ine
ss
logic.
•U
s
ing ComponentOne WebGrid for 
A
SP.NET to render tabular data in a variety of format
s
with
client
-s
ide 
s
cripting for end
-
u
s
er interaction.
•U
s
ing ComponentOne WebChart for 
A
SP.NET to pre
s
ent vi
s
ually appealing chart
s
and graph
s
of numeric data.
•U
s
ing ComponentOne WebReport
s
for 
A
SP.NET to di
s
play formatted report
s
in a cu
s
tomizable
preview control or a
s
PDF.
Key C1WebMarket Client 
A
pplication concept
s
include:
•U
s
ing ComponentOne DataOb
j
ect
s
for .NET in a 3
-
tier di
s
tributed application.
•U
s
ing ComponentOne True DBGrid for .NET in con
j
unction with the virtual mode of
DataOb
j
ect
s
for .NET.
•U
s
ing ComponentOne Chart for .NET to pre
s
ent vi
s
ually appealing chart
s
and graph
s
of
numeric data.
•U
s
ing ComponentOne Report
s
for .NET to di
s
play formatted report
s
with pan, zoom,outline,
and thumbnail capabilitie
s
.
The WinForm
s
client retrieve
s
and update
s
data u
s
ing a Web 
s
ervice that u
s
e
s
the 
s
ame 
databa
s
e a
s
the 
A
SP.NET application. Moreover,it u
s
e
s
the 
s
ame data library a
ss
embly a
s
the 
A
SP.NET application. Data librarie
s
are reu
s
able a
ss
emblie
s
created with ComponentOne
DataOb
j
ect
s
for .NET. They encap
s
ulate all a
s
pect
s
of a data 
s
chema, including partitioning 
into logical data
s
et
s
,compo
s
ite table
s
,bu
s
ine
ss
rule
s
,calculated field
s
,con
s
traint
s
,and 
cu
s
tom method
s
.
I
n addition to the online demo,which contain
s
context
-s
en
s
itive help topic
s
with code 
s
ample
s
,
developer
s
can al
s
o download the full 
s
ource code for both application
s
(require
s
the .NET
Framework 1.1 to in
s
tall). 
V
i
s
it http:
//
c1webmarke
t
.componen
t
one.com and click the
Download WebMarket 
A
pplication button centered at the bottom of the page.
Componen
t
One S
t
udio En
t
erpri
s
e Framework
Thi
s
unique framework,the backbone of the Studio Enterpri
s
s
ub
s
cription 
s
ervice,target
s
all runtime
environment
s
and all application layer
s
. The corner
s
tone of ComponentOne Studio Enterpri
s
e i
s
the data layer,which encap
s
ulate
s
bu
s
ine
ss
logic in reu
s
able a
ss
emblie
s
called data librarie
s
.
Data acce
ss
i
s
the foundation of any real
-
world application,and the one
-
of
-
a
-
kind ComponentOne
data layer ha
s
no peer.
FOR
A
DET
AI
LEDD
IA
GR
A
MREFERENCEP
A
GE2
Documents you may be interested
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