How to call Visual C dll and .Net dll at clientside?

[Tom]

I'm developing c# Asp.net application (rewriting VB6 Application)
and I have a few questions :

How to call (1) How to call dll
(2) Net dll at clientSide ?
I guess that I have to use JavaScipt.
also, will I get security messagebox each time I use it ?

 

[Tom]

I'm developing c# Asp.net application (rewriting VB6 Application)
and I have a few questions :

How to call at clientSide (1) VC++ dll
(2) .Net dll

I guess that I have to use JavaScipt.
also, will I get security messagebox each time I use it ?