尝试为文件附加一个自动命名的数据库失败

我在Visual Studio 2010中构建了一个Web站点，并使用存储在ASPNETDB.mdf数据库文件中的成员身份，用户和角色等代码没有任何问题。现在我正在尝试部署运行IIS7.5即时得到这个错误在网络上我的ASP.NET Web站点：尝试为文件附加一个自动命名的数据库失败

An attempt to attach an auto-named database for file .mdf failed. A database with the  
same name exists, or specified file cannot be opened, or it is located on UNC share.

下面是数据库我的连接字符串：

<connectionStrings> 
    <add name="KBDConnectionString" connectionString="data source=.\SQLEXPRESS;Integrated 
     Security=SSPI;AttachDBFilename=|DataDirectory|\KBD.mdf;User Instance=true" 
     providerName="System.Data.SqlClient" /> 
</connectionStrings>

IM gratefull为你的帮助

这里是我的网站的配置（IIS文件夹）：

<?xml version="1.0" encoding="UTF-8"?> 
<configuration> 
    <connectionStrings> 
    <add name="KBDConnectionString" connectionString="data source=.\SQLEXPRESS; 
       Integrated Security=SSPI;AttachDBFilename=|DataDirectory|KBD.mdf;User 
       Instance=true" providerName="System.Data.SqlClient" /> 
    </connectionStrings> 
    <system.web> 
     <httpHandlers> 
     <add path="ImgRequest.ashx" verb="*" type="Syncfusion.Web.UI.WebControls.Diagram.NodeRenderHandler,Syncfusion.Diagram.Web, Version=10.404.0.71, Culture=neutral, PublicKeyToken=3d67ed1f87d44c89" /> 
    <add path="PaletteImgRequest.ashx" verb="*" type="Syncfusion.Web.UI.WebControls.Diagram.ThumbNodeRenderHandler,Syncfusion.Diagram.Web, Version=10.404.0.71, Culture=neutral, PublicKeyToken=3d67ed1f87d44c89" /> 
    <!--<add path="OverviewImgRequest.ashx" verb="*" type="Syncfusion.Web.UI.WebControls.Diagram.OverviewDocumentRenderHandler,Syncfusion.Diagram.Web, Version=10.404.0.71, Culture=neutral, PublicKeyToken=3d67ed1f87d44c89"/>--> 
</httpHandlers> 
<compilation debug="true" targetFramework="4.0"> 
    <assemblies> 
    <add assembly="Syncfusion.Tools.Web, Version=10.404.0.71, Culture=neutral, PublicKeyToken=3D67ED1F87D44C89" /> 
    <add assembly="Syncfusion.Shared.Web, Version=10.404.0.71, Culture=neutral, PublicKeyToken=3D67ED1F87D44C89" /> 
    <add assembly="System.Design, Version=4.0.0.0, Culture=neutral, PublicKeyToken=B03F5F7F11D50A3A" /> 
    <add assembly="System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089" /> 
    <add assembly="Syncfusion.Core, Version=10.404.0.71, Culture=neutral, PublicKeyToken=632609B4D040F6B4" /> 
    <add assembly="Syncfusion.Shared.Base, Version=10.404.0.71, Culture=neutral, PublicKeyToken=3D67ED1F87D44C89" /> 
    <add assembly="Syncfusion.Grid.Base, Version=10.404.0.71, Culture=neutral, PublicKeyToken=3D67ED1F87D44C89" /> 
    <add assembly="Syncfusion.Tools.Base, Version=10.404.0.71, Culture=neutral, PublicKeyToken=3D67ED1F87D44C89" /> 
    <add assembly="Syncfusion.Diagram.Web, Version=10.404.0.71, Culture=neutral, PublicKeyToken=3D67ED1F87D44C89" /> 
    <add assembly="Syncfusion.Diagram.Base, Version=10.404.0.71, Culture=neutral, PublicKeyToken=3D67ED1F87D44C89" /> 
    <add assembly="System.Runtime.Serialization.Formatters.Soap, Version=4.0.0.0, Culture=neutral, PublicKeyToken=B03F5F7F11D50A3A" /> 
    <add assembly="Syncfusion.Diagram.Windows, Version=10.402.0.71, Culture=neutral, PublicKeyToken=3D67ED1F87D44C89" /> 
    <add assembly="Syncfusion.Compression.Base, Version=10.404.0.71, Culture=neutral, PublicKeyToken=3D67ED1F87D44C89" /> 
    <add assembly="Syncfusion.Pdf.Base, Version=10.404.0.71, Culture=neutral, PublicKeyToken=3D67ED1F87D44C89" /> 
    </assemblies> 
</compilation> 
<authentication mode="Forms"> 
    <forms loginUrl="~/Account/Login.aspx" timeout="2880" /> 
</authentication> 
<membership defaultProvider="KBDSqlMembershipProvider"> 
    <providers> 
    <clear /> 
    <add name="KBDSqlMembershipProvider" type="System.Web.Security.SqlMembershipProvider" connectionStringName="KBDConnectionString" enablePasswordRetrieval="false" enablePasswordReset="true" requiresQuestionAndAnswer="false" requiresUniqueEmail="false" passwordFormat="Hashed" maxInvalidPasswordAttempts="5" minRequiredPasswordLength="6" minRequiredNonalphanumericCharacters="0" passwordAttemptWindow="10" applicationName="KrallmannBusinessDesigner" /> 
    </providers> 
</membership> 
<profile defaultProvider="KBDSqlProfileProvider"> 
    <providers> 
    <clear /> 
    <add name="KBDSqlProfileProvider" type="System.Web.Profile.SqlProfileProvider" connectionStringName="KBDConnectionString" applicationName="KrallmannBusinessDesigner" /> 
    </providers> 
    <!--<properties> 
    <add name="UserName" type="String"/> 
    <add name="Email" type="String" /> 
    </properties>--> 
</profile> 
<roleManager enabled="false"> 
    <providers> 
    <clear /> 
    <add name="AspNetSqlRoleProvider" type="System.Web.Security.SqlRoleProvider" connectionStringName="ApplicationServices" applicationName="/" /> 
    <add name="AspNetWindowsTokenRoleProvider" type="System.Web.Security.WindowsTokenRoleProvider" applicationName="/" /> 
    </providers> 
</roleManager> 
<customErrors mode="Off"/> 
</system.web> 
<system.webServer> 
<modules runAllManagedModulesForAllRequests="true" /> 
    <validation validateIntegratedModeConfiguration="false" /> 
    <defaultDocument> 
     <files> 
      <add value="Account/Login.aspx" /> 
     </files> 
    </defaultDocument> 
</system.webServer> 
</configuration>

来源

2013-06-04 H_79

http://support.microsoft.com/kb/2002980此知识库文章可以解决您的问题 – Devjosh

它并没有帮助我 –

检查连接〜应变G。正确的方法（如在由@Devjosh下文称MSDN的文章中提到）：

"AttachDBFilename=|DataDirectory|xxxxxx.mdf;User Instance=true"

您的代码：不需要

AttachDBFilename=|DataDirectory|**\**KBD.mdf

反斜杠。

来源

2013-06-04 09:22:16 Stoleg

didnt解决我的问题 –

请确认'DataDirectory'不是UNC路径（不启动\\），并且在网站配置中没有使用“KBDConnectionString”名称的其他连接？ – Stoleg

我在我的网站上方添加配置 –

尝试为文件附加一个自动命名的数据库失败

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