Why can't user controls be compiled into DLL and shared with other web applications

Discussion in 'ASP .Net Building Controls' started by Matt Adamson, Mar 5, 2007.

  1. Matt Adamson

    Matt Adamson Guest


    Does anyone know the technical reason why user controls couldn't be compiled
    into an assembly and shared with other web applications.

    If the ASP.NET compiler can compile the user control pages at runtime into
    an assembly then why couldn't this be compiled and then shared with other
    web applications. Perhaps we could write a module on top of ASP.NET which
    could re use user controls in other web applications.



    Matt Adamson, Mar 5, 2007
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  2. I don't think it's a technical reason, just a design reason. That's not what
    user controls are for.

    User controls are meant to be a simple way to build a composite control
    without writing any code. They're not meant to be general purpose.

    Now, at some time in the future, Microsoft could introduce a visual
    composite control editor that might take the place of user controls for many
    purposes, but user controls are meant to be more of a replacement for
    server-side includes in ASP than they are meant to be real custom server

    That said, it's not that difficult to write a composite control which is the
    equivalent of a given user control. It takes longer and requires more
    knowledge of controls, but it's not very difficult.

    John Saunders, Mar 5, 2007
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  3. That's what Custom controls are for. Custom controls have great
    reusability, but they're kinda hard to make.
    User controls are only reusable within a single project but they are easy to
    Pick your poison.

    Here's more info:
    Steve C. Orr [MCSD, MVP, CSM, ASP Insider], Mar 9, 2007
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