Re: using user control in form & using design time question
From: TS (manofsteele_at_nospam.nospam)
Date: 02/10/05
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Date: Thu, 10 Feb 2005 15:50:50 -0600
if i have the user control as a dll and add it to the toolbox, when i update
the dll, i delete it from the toolbox, then add it back, but it is still the
old version. What do i have to do to get the new version as the one that is
dragged from the toolbox
""Jeffrey Tan[MSFT]"" <v-jetan@online.microsoft.com> wrote in message
news:5TY0esxDFHA.952@TK2MSFTNGXA01.phx.gbl...
> Hi TS,
>
> Thanks for your posting!!
>
> For your original issue, I think you must change your usercontrol's server
> side code in the .aspx file, not the code behind file, yes? Actually, in
> webform, the .aspx file will be complied at run-time, and when compiling
> the webform project, the compiler will not verify the C# code in .aspx
> file, so when VS.net compiles the webform project, compiler will not know
> if the used properties/methods in the .aspx exists in UserControl class.
> However, when the web application is going to run, the Asp.net runtime
will
> dynamically parse .aspx page, generate a temp assembly for the entire
> webform project, at this time, the asp.net runtime will COMPILE the .aspx
> page and verify the C# code, and now the .aspx will associate with the
> usercontrol code.
>
> For winform application, the entire project will compile at once, without
2
> times. But I am not sure what your meaning of "access its
> properties/methods at design time", do you mean the intellisense support
in
> VS.net IDE for the usercontrol new added members? Actually, I think if we
> have a usercontrol for a form, then we added a new "Test" public field to
> the usercontrol, then explicitly use this field in the Form class without
> compile the project, then we explicitly pressed ctrl+F5, the VS.net will
> first re-compile the entire project, and the code can be used without any
> problem. But there is no intellisense for "Test" property in the Form
> class, because the Winform application is not compiled, and not metadata
is
> emitted into the assembly, so there is not metadata information for VS.net
> to know this change and display the "Test" property in the intellisense
> dropdownlist.
>
> For the later issue, I agree with you that whether to place several
> usercontrols in single project or separate project is determined by
several
> assemblies or a single assembly. Also, there is an extra little
difference,
> that is the "internal" key word in C#, please refer this extra information
> in MSDN.
>
> Hope this helps
> ======================================================
> Thank you for your patience and cooperation. If you have any questions or
> concerns, please feel free to post it in the group. I am standing by to be
> of assistance.
>
> Best regards,
> Jeffrey Tan
> Microsoft Online Partner Support
> Get Secure! - www.microsoft.com/security
> This posting is provided "as is" with no warranties and confers no rights.
>
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