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  • 【未解决】:VS2008配置数据源之要求安装SQL Server Express 2005才能正常工作

    按照教程的步骤,我在App_Data文件夹中添加一个数据库文件,但是系统报如下错误信息:


    经过才网络中搜索,发现先行者的记录:

    Connections to SQL Server files (*.mdf) require SQL Server Express 2005 to function properly. Please verify the installation of the component ...
    I've got this error message while trying to add a Database file into a c# website project :-s .
    After a bit googling it appears that Visual studio 2005 is trying to connect to a SQLSERVEREXPRESS instance name, and yes this can be change easily, if like me, you have change this name during SQL server express 2005 installation. here we go:

    In visual studio 2005, open the Tools menu
    click on the "Options" item
    Select the "Database Tools" node
    Select the "Data Connections" child node

    then you have a text box with the following label:
    "SQL server Instance Name (blank for default):
    "SQLSERVEREXPRESS"

    for me it was just a matter of leaving it blank, and then adding a mdf file to the project is just working fine :-D
    I've not found the solution anywhere else, I must be stupid... anyway, hope it helps someone.


    于是到VS2008中去修改:
    (注意,要将左下角的“显示所有设置”的复选框选上,否则看不到“数据连接”项)
    将右边的SQLEXPRESS删除,确定。
     
    我将SQLEXPRESS使用MSSQLSERVER替换。
    但是,问题没有解决。
    再搜索,发现如下方法:
    You may open your Machine.Config file (the file is in %SystemRoot%\Microsoft.NET\Framework\ver. number\CONFIG ). Try to find the ConnectionString node, modify the setting and make it look like:

    <add name="LocalSqlServer" connectionString="data source=.\MSSQLSERVER;Integrated Security=SSPI;AttachDBFilename=|DataDirectory|aspnetdb.mdf;User Instance=true" providerName="System.Data.SqlClient" />

    备注:红色字体原来为“.\SQLEXPRESS”

    尝试下来,还是没有成功!始终报相同的错误信息。
    郁闷中ing...... 盼望高手给与指点一二......

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  • 原文地址:https://www.cnblogs.com/chunshen/p/1545873.html
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