Hello,
I Classic ASP, I used to have a standard way of making the top-level
site navigation links. I had an include file which included a Sub like
this ...
Sub MakeLink(TocURL , TocText)
If TocURL = ThisURL Then
Response.Write( "<br>" & TocText)
Else
Response.Write( "<br><a href=""" & TocURL & """>" & TocText & "</a>")
End If
End Sub
(air code, so ignore typos), where ThisURL had been set to the URL of
the current page. I could then do something like ...
MakeLink "/", "Home"
MakeLink "/contact.asp", "Contact Us"
and so on. This include file could then create a set of links for every
page.
Now, how do I achieve the same end in ASP.NET? I guess I could have a
label in the place where I want the links to be, then have a sub in the
Page_Load event that builds a string containing the HTML. At the end of
the sub, the label.Text could be set to the string.
This seems a little inelegant considering the way ASP.NET is set up to
allow structured coding. Does anyone have a better suggestion for this?
TIA
--
Alan Silver
(anything added below this line is nothing to do with me)
Nov 19 '05
12  1866 
Alan:
ASP.Net probably won't care, but VS.Net might not like it very much. An
alternative you might not have considered is to use master pages for the
common functionality: http://www.metabuilders.com/Tools/MasterPages.aspx
Karl
--
MY ASP.Net tutorials http://www.openmymind.net/
"Alan Silver" <al*********@no spam.thanx> wrote in message
news:tk******** ******@nospamth ankyou.spam... Phil,
Wow, looks like the community portal has really changed since last I
lookedat it. I don't remember it being a server control, but you can find
theirbreadcrumb in
Engine\Framewo rk\Sections\Con trols\BreadCrum b.cs.
Thanks, now I know where to look ;-)
The problem is that unless you are familiar with how the sections work,
you'll be a little loss.
A "little"? Try a lot!! There are so many files there, it's hard to know
where to start.
The free control that I pointed you to has free source code, so again,
youmight wannat ake a look at it.
Thanks, I did take a look. I didn't realise at first that they included
source code. That changes things as I can now learn from them.
As for your question about the <head></head>...it isn't true that
server/user controls must be placed inside <form></form> Some controls,
namely those which participate in viewstates must. So if your user/server
control has a textbox, linkbutton, button, ... then yes it must be in a
<form></form>...if you are only rendering HTML such as <head>, <title>
and<meta> you should be ok
I realised this last night when I remembered using a Literal control to
set the <title> of a page. It occurred to me that this wasn't in a form.
OK, so let me phrase the question slightly differently then. In Classic
ASP, I used to create an include file that had part of the <head>
(common bits like some META tags, the link to the stylesheet and so on),
the closing </head> tag, the opening <body> tag, and the parts of the
HTML that were common to all pages (which usually included the
navigational links).
In ASP.NET, I think this might be a problem. My current understanding is
that the best way to do the common code part is to put it in a custom
control, and use that control on the page. The problem would be that the
main page would not have the </head> and <body> tags in it. Wouldn't the
ASP.NET engine take an exception (no pun intended) to that? From what I
have seen (haven't got it clear enough yet), it likes to generate some
of these bits itself. Am I wrong here? Please clarify.
Thanks
--
Alan Silver
(anything added below this line is nothing to do with me)
>You could place the DataSet in Cache. If you are pulling from an xml file, you could place a File Dependency to the xml file driving your cached
DataSet.
That's clever. Caching is a new one on me (as is everything at the
moment!!). I had a brief look at the pages below, and the second one
seems to have what I need, although I think it will need some careful
reading before I feel confident enough to use it.
However, it does mean that I can get on with looking at using an XML
file for the data and not worrying about killing the server. When I've
got the basic functionality working, I can then look at caching the data
to improve performance.
Thanks for the info and links.
If it is coming from the a database, you could still cache it. 2.0 will
have a database cache feature built in, but there are some samples out there
for database cache dependency in 1.1
I couldn't find the link I used to write mine, but here are some MSDN links:
http://msdn.microsoft.com/msdnmag/is...04/WickedCode/
http://msdn.microsoft.com/msdnmag/is...e/default.aspx
bill
"Alan Silver" <al*********@no spam.thanx> wrote in message
news:n0******* *******@nospamt hankyou.spam... >The way I've always seen it set up is via a user control which you
>include atop each of your page. The user control would then be fed off
>an XML file or Database where it would use the current page to figure
>out what breadcrumb to build.
It occurred to me last night, won't this mean that *every* single page
request will involve a file read or database query? If so, won't that
have a serious performance impact? I know my original suggestion of
having the links inside the custom control doesn't have the flexibility
of the XML file, but it would be very fast.
Any comments?
--
Alan Silver
(anything added below this line is nothing to do with me)
--
Alan Silver
(anything added below this line is nothing to do with me)
>Alan: ASP.Net probably won't care, but VS.Net might not like it very much. An
alternative you might not have considered is to use master pages for the
common functionality:
http://www.metabuilders.com/Tools/MasterPages.aspx
Karl,
Thanks for the link. I think I'm suffering from information overload at
the moment!! I had a look at that page, but I think it needs printing
out and reading carefully.
I'm going to have a go at the XML file approach first as that looks very
promising. I might come back to the master pages stuff later.
Thanx again
--
Alan Silver
(anything added below this line is nothing to do with me) This thread has been closed and replies have been disabled. Please start a new discussion. Similar topics | |
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