Migrating from Cold Fusion to ASP.NET

Re: How to use the C# or VB.NET code into the coldfusion

vinceb — Wed, 27 May 2009 15:39:02 GMT

If your custom class resides within your ASP.NET webapp, either in an assembly (dll) within your "bin" folder or as source code within the "App_Code" directory, then just put the name of your custom class in place of "System.Collections.Hashtable" in the example I gave. If your custom class resides within an assembly (dll) within the Global Assembly Cache (GAC), then you need to specify the fully-qualified class name, including assembly name, version, etc.

The only other "trick" to know is that when accessing class properties, you must use .NET IL syntax, not C# property syntax. This is as simple as appending "get_" or "set_" to the property name (which is what the C# compiler does). In the Hashtable example, notice that I access the Item property using "get_Item()".

You can find more information in Section 4.1.2 of the following document:

Integrating CFML with ASP.NET

Just to be clear, this integration of CFML and ASP.NET is only available with BlueDragon.NET and not with Adobe ColdFusion.

Re: How to use the C# or VB.NET code into the coldfusion

dilip12 — Wed, 27 May 2009 13:58:37 GMT

Thank you so much. How can i use the code for my own custom class.

Any tutorials would be grately helpfu please.

Thank you once again.

Re: How to use the C# or VB.NET code into the coldfusion

vinceb — Tue, 19 May 2009 15:38:59 GMT

BlueDragon.NET allows you to create .NET objects and invoke their methods from within CFM pages. For example, the following code creates an instance of System.Collections.Hashtable, adds element "firstName" and then checks for its existence within the Hashtable; the following code would be within a CFM page:

    <cfset ht = createObject( ".net", "System.Collections.Hashtable" )>
    <cfset ht.Add( "firstName", "Vince" )>

    <cfif ht.Contains( "firstName" )>
        Hello <cfoutput>#ht.get_Item( "firstName" )#</cfoutput>
    <cfelse>
        Error, "firstName" not found!
    </cfif>

The CFML "createObject" function or <cfobject> tag can be used to create an instance of any .NET class, whether a built-in framework class or one you've written yourself.

Is this what you're trying to do? If not, can you give me a more detailed example and I'll try to help you find a solution (I'm sure there is one).

Re: How to use the C# or VB.NET code into the coldfusion

dilip12 — Tue, 19 May 2009 15:19:55 GMT

Hi,

Thanks for your reply. You have given me very good example. But i am looking other way around. I want to use the .dll's or the C# code into my Coldfusion code (cfm).

Thanks

Re: How to use the C# or VB.NET code into the coldfusion

vinceb — Fri, 15 May 2009 17:36:58 GMT

My company makes a product called BlueDragon.NET that extends ASP.NET to allow it to run ColdFusion (CFML) applications without needing a ColdFusion Server. Yes, by installing BlueDragon.NET, you can run ".cfm" pages directly within ASP.NET. Then you can fully integrate your ColdFusion (CFML) pages with ASP.NET, for example:

share application and session scope variables between ".cfm" and ".aspx" pages
invoke .NET objects from within CFML pages (which I think answers your original question)
invoke CFML components from ASP.NET pages

There also two documents you might be interested in reviewing:

BlueDragon.NET is being used by MySpace.com among many other web sites.

How to use the C# or VB.NET code into the coldfusion

dilip12 — Fri, 08 May 2009 14:49:04 GMT

Hi,

I am a .Net developer and recently i am working with the coldfusion project with one of the multination company. I am encoraged to give new ideas.

My thougt is---is there any way to use the class files or the pre-compiled .net code to the coldfusion. i want to use most of my coding i.e, core functionality in .net and use only the calls and the html in coldfusion.

Any idea will be greatly appriciated

Thanks in advance