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Visual Studio Whidbey Preview 2004 - need Help !?

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  • User profile image
    unix?

    Hello,

    I´m testing a little bit with the Whidbey preview. First, I must say: "Good job Microsoft !" because the Visual Studio is very stable for an alpha version ! I love the Generics, Anonymous methods, partial classes and all the C# language addons. It´s now possible to have a public get accessor (property) and an internal set accessor, ...

    Now my question: I´m playing a little bit with ADO .NET (mdac9). I want to test the MARS feature. I´ve read in an Addison Wesley book (A first look at...) that I must use "use mdac9=true" in the connection string. But I get an error that this keyword is unknown. What is to do to use MARS feature in this preview version ?

    The asynchronous calls in ADO .NET works fine with the element "async=true" in the connection string.

  • User profile image
    ktegels

    unix? wrote:
    Hello,

    I´m testing a little bit with the Whidbey preview. First, I must say: "Good job Microsoft !" because the Visual Studio is very stable for an alpha version ! I love the Generics, Anonymous methods, partial classes and all the C# language addons. It´s now possible to have a public get accessor (property) and an internal set accessor, ...

    Now my question: I´m playing a little bit with ADO .NET (mdac9). I want to test the MARS feature. I´ve read in an Addison Wesley book (A first look at...) that I must use "use mdac9=true" in the connection string. But I get an error that this keyword is unknown. What is to do to use MARS feature in this preview version ?

    The asynchronous calls in ADO .NET works fine with the element "async=true" in the connection string.


    As MS products go, MARS is currently only supported by Yukon SQL Server 2005.

  • User profile image
    unix?

    Ok, but do I need the "use mdac=9" string within the connection string or not ?!

    In the Addison Wesley book I found that MARS, Asynchronous calls and ObjectSpaces are Sql Server 2000 AND Sql Server Yukon Features. Only the UDT (User defined types) - "managed Stored Procedures" are Sql Server 2005/Yukon specific. Is that wrong in that book ?!

  • User profile image
    ktegels

    The top of page 57 makes me wonder if they've changed it in the CTP bits vs. the PDC bits.

    MARS is definitely a Yukon-only feature (http://www.winnetmag.com/Articles/ArticleID/41393/pg/3/3.html); Async calls and Object Spaces are supported for any data provider that supports them. UDT et. al. are Yukon specific.

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