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Reflection conundrum.
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This message was discovered on ASPFriends.com 'ngfx-reflection' list.


David Brophy

Hi,

In my infinite search to reduce the number of lines of code I write, I =
have a
problem. Consider the following situation, where I have 5 panels, names =
panelX,
with X=3D1 to 5.=20
I want to change the Visible property of each of them to true, using a =
loop.

I've invented a mythical GetObject(string objectName) function, which =
returns
a reference to the object specified by the string.

Initially, it smacks of things you can't do in compiled languages, but =
the
Reflection classes have a lot of similar functionality.=20

I'm thinking my GetObject function would be some convolution of the
Type.InvokeMember() function, but I can't figure out how to do it.

Any help would be gratefully received.

My Code:

[Original message clipped]

- David Brophy
Director, Cambro Limited,
(023) 80 679550=20
Click here to reveal e-mail address
Reply to this message...
 
    
Andy Eunson
In a web application you can use the Page.FindControl method to return a
refernece to a control by name

Dim MyControl as System.Web.Ui.Control
MyControl = Page.FindControl("Panel1")

You could probably do something like:

Dim x as integer
Dim MyControl as System.Web.Ui.Control
For x = 1 to 5
MyControl = Page.FindControl( New String( "Panel" & x ) )
MyControl.Visible = False
Next

Andy

----- Original Message -----
From: "David Brophy" <Click here to reveal e-mail address>
To: "ngfx-reflection" <Click here to reveal e-mail address>
Sent: Thursday, November 01, 2001 11:17 AM
Subject: [ngfx-reflection] Reflection conundrum.

Hi,

In my infinite search to reduce the number of lines of code I write, I have
a
problem. Consider the following situation, where I have 5 panels, names
panelX,
with X=1 to 5.
I want to change the Visible property of each of them to true, using a loop.

I've invented a mythical GetObject(string objectName) function, which
returns
a reference to the object specified by the string.

Initially, it smacks of things you can't do in compiled languages, but the
Reflection classes have a lot of similar functionality.

I'm thinking my GetObject function would be some convolution of the
Type.InvokeMember() function, but I can't figure out how to do it.

Any help would be gratefully received.

My Code:

[Original message clipped]

- David Brophy
Director, Cambro Limited,
(023) 80 679550
Click here to reveal e-mail address

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