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.NET Forum / Visual Studio.NET / General / January 2005Mixing VB.NET & C# & How to Do This
Within a single web application, is it possible to have some asp.net pages use vb.net and some use c#? If so, how does one actually do this in Visual Studio? I have been doing pages in vb.net and wanted to add a page in c#. How do I do this? When I add a web form, it always has a vb code-behind page. If I change the language="vb" to "c#", it still stays vb. How do I open a new web form in c#? No, at least using VS.NET. Maybe using the command-line compilers of the .NET Framework SDK. Couldn?t you translate them into a single language and have a uniform project?  SignatureCarlos J. Quintero MZ-Tools 4.0: Productivity add-ins for Visual Studio .NET You can code, design and document much faster. http://www.mztools.com > Within a single web application, is it possible to have some asp.net pages > use vb.net and some use c#? If so, how does one actually do this in Visual [quoted text clipped - 5 lines] > web > form in c#? Hmmm. So you can't mix and match lnaguages in a single Web application. But you can write a dll in say C# and use it in a VB.NET/ASP.NET application, right? I wonder if you know the answer to my second question. My Visual Studio has both VB and C#installed. Now when I start a web app, it always defaults to VB. How do I start a project in C#? Thanks in advance. > Hmmm. So you can't mix and match lnaguages in a single Web application. > But > you can write a dll in say C# and use it in a VB.NET/ASP.NET application, > right? The DLL generated for the code-behind code must be written in a single language. Other thing is that you code-behind code uses an external DLL that you have written in a different language, that is possible of course. > I wonder if you know the answer to my second question. My Visual Studio > has > both VB and C#installed. Now when I start a web app, it always defaults to > VB. How do I start a project in C#? What do you mean with "I start a web app". - If you open an existing Web App, the Add File uses the language of the project of the Web App. - If you create a new Web App, you can choose if the project is VB.NET or C# SignatureCarlos J. Quintero MZ-Tools 4.0: Productivity add-ins for Visual Studio .NET You can code, design and document much faster. http://www.mztools.com > - If you create a new Web App, you can choose if the project is VB.NET or C# > > Carlos J. Quintero Carlos, Sorry to be dense, but when I create a new Web App, it comes up in vb.net. I don't get a choice to start in C#. Where do you get the choice? The top line on the HTML is: <%@ Page Language="vb" AutoEventWireup="false" Codebehind="WebForm1.aspx.vb" Inherits="WebApplication1.WebForm1"%> I also have AssemblyInfo.vb, Global.asax.vb, and a Web.config that includes the following: <compilation defaultLanguage="vb" debug="true" /> Why is it assuming vb? How can I make it create a new Web app in C#? Thanks in advance to anyone who can clear up this probably trivial problem. Jeff Roughgarden, MCSD, MCDBA - Open VS.NET - Click the File, New, Project... menu - You get a New Project dialog. In this dialog, to the left there is a Project Types treeview which contains at least "Visual Basic Projects", "Visual C# Projects", etc. Once you choose one of them, to the right you have a list of templates and you select ASP.NET Web application. The treeview shows only the language packages (Visual Basic, Visual C#, Visual J#, etc.) that you selected for installation when you installed Visual Studio .NET. Do you get that New Project dialog? Which project types do you get? SignatureCarlos J. Quintero MZ-Tools 4.0: Productivity add-ins for Visual Studio .NET You can code, design and document much faster. http://www.mztools.com >> - If you create a new Web App, you can choose if the project is VB.NET or >> C# [quoted text clipped - 24 lines] > > Jeff Roughgarden, MCSD, MCDBA Thanks, Carlos. I finally got it. You can have projects of different languages in the same solution, but within a project all has to be in one language. And yes, I see where I get to chose the language when I open a new project. Sorry to have been so dense; thanks again. Free MagazinesGet these publications absolutely FREE for up to 12 months. There are no hidden fees and no obligation. Simply choose a title, complete the application form and submit it. Read more ...
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