As someone who has spent around 10 years programming web applications with Adobe's ColdFusion, I have decided to add ASP.NET as a string to my bow.
For someone who has spent so long with CF and the underlying Java, ASP.NET seems a little alien to me. How should I go about getting up to speed with ASP.NET so that I can be truly dangerous with it? Do I need to know C# at any great amount of detail?
I want to be in a position where I can build basic web apps fairly quickly so I can learn more doing the tricky stuff.
I'm only maybe six months down the same path, but here are some thoughts from my experience so far:
The C# language shouldn't give you much problem if you have very much experience with Java at all (or even CFScript). As a reference, though, when I was starting, I found csharp-station a good primer for language basics. It won't help you much as far as the ASP.NET side goes; but it is good for syntax. More you'll be familiarizing yourself with the .NET libraries. The IDE actually can be an enormous help here.
Here are the three biggest differences I found making the transition:
- ASP.NET Server Controls - In ColdFusion, you really have pretty
direct control over the HTML; you
work very closely with the page.
This isn't so much the case in
ASP.NET. The server controls are
meant to relieve you of a lot of the
tedium, but at a cost of maybe some
direct control. As a CF programmer,
I'm very particular about what gets
actually output to the browser; and
at first ASP.NET frustrated me
because it spits out a lot of extra
code. Still, the controls are
really powerful, and it pays to
familiarize yourself with them.
Form and validation controls,
especially, save you from a lot of
the tedium in CF of handling post
back and validation. W3Schools
actually has a decent list of web
server controls.
- The page model - ColdFusion is pretty agnostic in terms of page
flow. ASP.NET is very much geared
towards using post backs, and is
very event driven. If you're not
using a framework with CF (e.g.
Model Glue), this may be foreign to
you. .NET takes care of handling a
lot of the post back behavior for
you. Also, not to say that
ColdFusion can't be object and
function driven by good use of
CFC's, but ASP.NET really tries to
push you down the OO path compared
to CF in my experience.
- Database access - Using ASP.NET really made me appreciate how
powerful cfquery really is. The
csharp-station site also has a good
tutorial on working with the native
.NET db tools. I haven't worked on
enough projects yet to start looking
around for DB access extensions; I'm
pretty sure Jeff recommended
something that they used for
building this site, so you might
check that out. Otherwise, I really
suggest you familiarize yourself
with the DataSet object. It's
somewhat similar to a query object
in CF, and lets you run query of
queries, etc... Looping over
queries in CF is very common, but it
doesn't happen nearly as much in
ASP.NET because of data binding.
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