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Custom Server Web Controls(4) hierarchy
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This message was discovered on ASPFriends.com 'ngfx-patterns' list.


Deyan Petrov
-- Moved from [aspngwebcontrols] to [ngfx-patterns] by Charles M. Carroll <Click here to reveal e-mail address> --

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RE: [aspngwebcontrols] How to change web control status in other aspx =
pageHi guys,

I need an advice - I have 4 web controls:
1. OneValueTextBox =3D basically an <INPUT>
2. TwoValueTextBox =3D basically an <INPUT> with another hidden INPUT, =
hold 2 Values: Value and UnderlyingValue
3. OneValueFrameCombo =3D basically an <INPUT> with some JScript, which =
pops down an IFRAME with a list of items, when an item is chosen the =
IFRAME is removed and the value of the INPUT is set
4. TwoValueFrameCombo =3D basically an <INPUT> with anohter hidden INPUT =
with some JScript, which pops down an IFRAME with a list of items, when =
an item is chosen the IFRAME is removed and the values of BOTH INPUTs =
are set

I am wondering how to structure the hierarchy - whether I should use =
inheritance or composition?
TwoValueTextBox is a type of OneValueTextBox with additional hidden =
textbox OR
TwoValueTextBox has a OneValueTextBox and an additional hidden textbox

The same is for the OneValueFrameCombo and TwoValueFrameCombo.=20

Currently I am thinking of implementing it this way:
OneValueTextBox=20
TwoValueTextBox inherits OneValueTextBox=20
OneValueFrameCombo inherits OneValueTextBox=20
TwoValueFrameCombo inherits TwoValueTextBox=20

Suggestions?

Regards,
Deyan Petrov

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD><TITLE>RE: [aspngwebcontrols] How to change web control =
status in other aspx page</TITLE>
<META http-equiv=3DContent-Type content=3D"text/html; =
charset=3Diso-8859-1">
<META content=3D"MSHTML 6.00.2712.300" name=3DGENERATOR>
<STYLE></STYLE>
</HEAD>
<BODY bgColor=3D#ffffff>
<DIV><FONT face=3DArial size=3D2>Hi guys,</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>I need an advice - I have 4 web=20
controls:</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>1. OneValueTextBox =3D basically an=20
<INPUT></FONT></DIV>
<DIV><FONT face=3DArial size=3D2>2. TwoValueTextBox =3D basically an =
<INPUT>=20
with another hidden INPUT, hold 2 Values: Value and =
UnderlyingValue</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>3. OneValueFrameCombo =3D basically an =
<INPUT>=20
with some JScript, which pops down an IFRAME with a list of items, when =
an item=20
is chosen the IFRAME is removed and the value of the INPUT is =
set</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>4. TwoValueFrameCombo =3D basically an =
<INPUT>=20
with anohter hidden INPUT with some JScript, which pops down an IFRAME =
with a=20
list of items, when an item is chosen the IFRAME is removed and the =
values=20
of BOTH INPUTs are set</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>I am wondering how to structure the =
hierarchy -=20
whether I should use inheritance or composition?</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>TwoValueTextBox is a type of =
OneValueTextBox with=20
additional hidden textbox OR</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>TwoValueTextBox has=20
a OneValueTextBox and an additional hidden =
textbox</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>The same is for the OneValueFrameCombo =
and=20
TwoValueFrameCombo. </FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>Currently I am thinking of implementing =
it this=20
way:</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>OneValueTextBox </FONT></DIV>
<DIV><FONT face=3DArial size=3D2>TwoValueTextBox inherits =
OneValueTextBox=20
</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>OneValueFrameCombo inherits  =
OneValueTextBox=20
</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>TwoValueFrameCombo inherits =20
TwoValueTextBox </FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>Suggestions?</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>Regards,</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>Deyan Petrov</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV></BODY></HTML>

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Paul D. Murphy
If it were me I would build a control collection of textboxes that
tracked the children. With this I would manage a collection of textboxes
and flip on and off the visible property. That would be the easiest way.

Paul

-----Original Message-----
From: Deyan Petrov [mailto:Click here to reveal e-mail address]=20
Sent: Wednesday, February 27, 2002 6:05 AM
To: ngfx-patterns
Subject: [ngfx-patterns] Custom Server Web Controls(4) hierarchy

-- Moved from [aspngwebcontrols] to [ngfx-patterns] by Charles M.
Carroll <Click here to reveal e-mail address> --

This is a multi-part message in MIME format.

--------------InterScan_NT_MIME_Boundary
Content-Type: multipart/alternative;
    boundary=3D"----=3D_NextPart_000_0042_01C1BF86.ED0B05D0"

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    charset=3D"iso-8859-1"
Content-Transfer-Encoding: quoted-printable

RE: [aspngwebcontrols] How to change web control status in other aspx =
=3D
pageHi guys,

I need an advice - I have 4 web controls:
1. OneValueTextBox =3D3D basically an <INPUT>
2. TwoValueTextBox =3D3D basically an <INPUT> with another hidden INPUT, =
=3D
hold 2 Values: Value and UnderlyingValue
3. OneValueFrameCombo =3D3D basically an <INPUT> with some JScript, =
which
=3D
pops down an IFRAME with a list of items, when an item is chosen the =3D
IFRAME is removed and the value of the INPUT is set
4. TwoValueFrameCombo =3D3D basically an <INPUT> with anohter hidden =
INPUT
=3D
with some JScript, which pops down an IFRAME with a list of items, when
=3D
an item is chosen the IFRAME is removed and the values of BOTH INPUTs =
=3D
are set

I am wondering how to structure the hierarchy - whether I should use =3D
inheritance or composition?
TwoValueTextBox is a type of OneValueTextBox with additional hidden =3D
textbox OR
TwoValueTextBox has a OneValueTextBox and an additional hidden textbox

The same is for the OneValueFrameCombo and TwoValueFrameCombo.=3D20

Currently I am thinking of implementing it this way:
OneValueTextBox=3D20
TwoValueTextBox inherits OneValueTextBox=3D20
OneValueFrameCombo inherits OneValueTextBox=3D20
TwoValueFrameCombo inherits TwoValueTextBox=3D20

Suggestions?

Regards,
Deyan Petrov

------=3D_NextPart_000_0042_01C1BF86.ED0B05D0
Content-Type: text/html;
    charset=3D"iso-8859-1"
Content-Transfer-Encoding: quoted-printable

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD><TITLE>RE: [aspngwebcontrols] How to change web control =3D
status in other aspx page</TITLE>
<META http-equiv=3D3DContent-Type content=3D3D"text/html; =3D
charset=3D3Diso-8859-1">
<META content=3D3D"MSHTML 6.00.2712.300" name=3D3DGENERATOR>
<STYLE></STYLE>
</HEAD>
<BODY bgColor=3D3D#ffffff>
<DIV><FONT face=3D3DArial size=3D3D2>Hi guys,</FONT></DIV>
<DIV><FONT face=3D3DArial size=3D3D2></FONT> </DIV>
<DIV><FONT face=3D3DArial size=3D3D2>I need an advice - I have 4 =
web=3D20
controls:</FONT></DIV>
<DIV><FONT face=3D3DArial size=3D3D2>1. OneValueTextBox =3D3D basically =
an=3D20
<INPUT></FONT></DIV>
<DIV><FONT face=3D3DArial size=3D3D2>2. TwoValueTextBox =3D3D basically =
an =3D
<INPUT>=3D20
with another hidden INPUT, hold 2 Values: Value and =3D
UnderlyingValue</FONT></DIV>
<DIV><FONT face=3D3DArial size=3D3D2>3. OneValueFrameCombo =3D3D =
basically an
=3D
<INPUT>=3D20
with some JScript, which pops down an IFRAME with a list of items, when
=3D
an item=3D20
is chosen the IFRAME is removed and the value of the INPUT is =3D
set</FONT></DIV>
<DIV><FONT face=3D3DArial size=3D3D2>4. TwoValueFrameCombo =3D3D =
basically an
=3D
<INPUT>=3D20
with anohter hidden INPUT with some JScript, which pops down an IFRAME =
=3D
with a=3D20
list of items, when an item is chosen the IFRAME is removed and the =3D
values=3D20
of BOTH INPUTs are set</FONT></DIV>
<DIV><FONT face=3D3DArial size=3D3D2></FONT> </DIV>
<DIV><FONT face=3D3DArial size=3D3D2>I am wondering how to structure the =
=3D
hierarchy -=3D20
whether I should use inheritance or composition?</FONT></DIV>
<DIV><FONT face=3D3DArial size=3D3D2>TwoValueTextBox is a type of =3D
OneValueTextBox with=3D20
additional hidden textbox OR</FONT></DIV>
<DIV><FONT face=3D3DArial size=3D3D2>TwoValueTextBox has=3D20
a OneValueTextBox and an additional hidden =3D
textbox</FONT></DIV>
<DIV><FONT face=3D3DArial size=3D3D2></FONT> </DIV>
<DIV><FONT face=3D3DArial size=3D3D2>The same is for the =
OneValueFrameCombo
=3D
and=3D20
TwoValueFrameCombo. </FONT></DIV>
<DIV><FONT face=3D3DArial size=3D3D2></FONT> </DIV>
<DIV><FONT face=3D3DArial size=3D3D2>Currently I am thinking of =
implementing
=3D
it this=3D20
way:</FONT></DIV>
<DIV><FONT face=3D3DArial size=3D3D2>OneValueTextBox </FONT></DIV>
<DIV><FONT face=3D3DArial size=3D3D2>TwoValueTextBox inherits =3D
OneValueTextBox=3D20
</FONT></DIV>
<DIV><FONT face=3D3DArial size=3D3D2>OneValueFrameCombo inherits  =
=3D
OneValueTextBox=3D20
</FONT></DIV>
<DIV><FONT face=3D3DArial size=3D3D2>TwoValueFrameCombo =
inherits =3D20
TwoValueTextBox </FONT></DIV>
<DIV><FONT face=3D3DArial size=3D3D2></FONT> </DIV>
<DIV><FONT face=3D3DArial size=3D3D2>Suggestions?</FONT></DIV>
<DIV><FONT face=3D3DArial size=3D3D2></FONT> </DIV>
<DIV><FONT face=3D3DArial size=3D3D2>Regards,</FONT></DIV>
<DIV><FONT face=3D3DArial size=3D3D2>Deyan Petrov</FONT></DIV>
<DIV><FONT face=3D3DArial size=3D3D2></FONT> </DIV>
<DIV><FONT face=3D3DArial size=3D3D2></FONT> </DIV>
<DIV><FONT face=3D3DArial size=3D3D2></FONT> </DIV>
| [ngfx-patterns] member Click here to reveal e-mail address =3D YOUR ID
| http://www.aspfriends.com/aspfriends/ngfx-patterns.asp =3D JOIN/QUIT
</BODY></HTML>

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