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HomeHomeDNN Open Source...DNN Open Source...Provider and Extension ForumsProvider and Extension ForumsAuthenticationAuthenticationDLL parameters - none required fieldsDLL parameters - none required fields
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6/15/2010 4:19 PM
 
kris


Joined: 6/15/2010
Posts: 1

I have created a DLL using C#. The DLL has to do with inserting records to a table. My DLL has around 15 parameters of which only 4 of them are required parameters and the rest are non mandatory. What is happening is my DLL requires that all parameters are required. I understand all parameters are required in a DLL?? Question is what do I need to do so that not all parameters are required. Any help would be appreciated.

Kris

 

 
 
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6/16/2010 6:52 PM
 
cathal connolly


cathal connolly's Avatar

www.cathal.co.uk
Joined: 4/9/2003
Posts: 9676
C# only introduced optional parameters with .net 4.0, so if you're not developing in vs.net 2010 you can't use them (all versions of vb.net support optional parameters). Typically developers create additional overloads with shorter signatures in their dll's (that then call the larger signature versions passing in defaults), rather than use optional parameters.
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6/26/2010 5:09 AM
 
Mark Breen


www.margin.ie
Joined: 11/19/2008
Posts: 142
Hello Kris

In additional to Cathal comments, I will add that Dine Esposito has a good article on the June 2010 MSDN magazine on C# 4.0 and the dynamic keyword.  He specifically refers to calling methods in MS Word with a bunch of optional params.  Maybe you can find that article online somewhere.  the Title was "C# 4.0, the Dynamic Keyword and Com".  His series is named Cutting Edge.



Mark Breen Ireland 1987 BMW R80 g/s
 
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