有人可以帮我吗？在 Visual Studio 中一切正常，但在远程服务器上却不行。我在登录和注销时尝试访问该页面，但遇到了同样的错误。错误：“System.Data.SqlClient.SqlException：用户 'APHOST166\IWAM_plesk(default)' 登录失败。”
网络配置：
<?xml version="1.0" encoding="utf-8"?>
<!--
For more information on how to configure your ASP.NET application, please visit
http://go.microsoft.com/fwlink/?LinkId=169433
-->
<configuration>
<connectionStrings>
<add name="ConnectionString" connectionString="Data Source=ASPHOST166\SQL2008R2,778; Initial Catalog=Rennoz_DATABASEMDF; User ID=Rennoz_Admin; Password=*****" providerName="System.Data.SqlClient"/>
<add name="ApplicationServices" connectionString="Data Source=ASPHOST166\SQL2008R2,778; Initial Catalog=Rennoz_DATABASEMDF; User ID=Rennoz_Admin; Password=*****" providerName="System.Data.SqlClient" />
<add name="DatabaseEntities" connectionString="metadata=res://*/App_Code.Model.csdl|res://*/App_Code.Model.ssdl|res://*/App_Code.Model.msl;provider=System.Data.SqlClient;provider connection string="Data Source=ASPHOST166\SQL2008R2,778; Initial Catalog=Rennoz_DATABASEMDF; User ID=Rennoz_Admin; Password=*****;Integrated Security=True;User Instance=True;MultipleActiveResultSets=True"" providerName="System.Data.EntityClient" />
</connectionStrings>
<system.web>
<compilation debug="false" targetFramework="4.0">
<assemblies>
<add assembly="System.Security, Version=4.0.0.0, Culture=neutral, PublicKeyToken=B03F5F7F11D50A3A" />
<add assembly="System.Data.Entity, Version=4.0.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089" />
<add assembly="System.Data.Entity.Design, Version=4.0.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089" />
</assemblies>
<buildProviders>
<add extension=".edmx" type="System.Data.Entity.Design.AspNet.EntityDesignerBuildProvider" />
</buildProviders>
</compilation>
<customErrors mode="Off"></customErrors>
<trace mostRecent="true" enabled="true" requestLimit="1000" pageOutput="false" localOnly="true"/>
<authentication mode="Forms" />
<membership>
<providers>
<clear />
<add name="AspNetSqlMembershipProvider" type="System.Web.Security.SqlMembershipProvider" connectionStringName="ApplicationServices" enablePasswordRetrieval="false" enablePasswordReset="true" requiresQuestionAndAnswer="false" requiresUniqueEmail="false" maxInvalidPasswordAttempts="5" minRequiredPasswordLength="6" minRequiredNonalphanumericCharacters="0" passwordAttemptWindow="10" applicationName="/" />
</providers>
</membership>
<profile>
<providers>
<clear />
<add name="AspNetSqlProfileProvider" type="System.Web.Profile.SqlProfileProvider" connectionStringName="ApplicationServices" applicationName="/" />
</providers>
</profile>
<roleManager enabled="true">
<providers>
<clear />
<add connectionStringName="ApplicationServices" applicationName="/"
name="AspNetSqlRoleProvider" type="System.Web.Security.SqlRoleProvider" />
<add applicationName="/" name="AspNetWindowsTokenRoleProvider"
type="System.Web.Security.WindowsTokenRoleProvider" />
</providers>
</roleManager>
</system.web>
<system.webServer>
<modules runAllManagedModulesForAllRequests="true" />
</system.webServer>
<location path="Moderation">
<system.web>
<authorization>
<allow roles="Admin" />
<deny users="*" />
</authorization>
</system.web>
</location>
</configuration>
页面后面的代码（插入）：
protected void EntityDataSource1_Inserting1(object sender, EntityDataSourceChangingEventArgs e)
{
Good pic = (Good)e.Entity;
//pic.PhotoAlbumId = photoalbumid;
FileUpload fileupload1 = (FileUpload)ListView1.InsertItem.FindControl("FileUpload1");
string virtualFolder = "~/pics/";
string fizfolder = Server.MapPath(virtualFolder);
string filename = Guid.NewGuid().ToString();
string extension = System.IO.Path.GetExtension(fileupload1.FileName);
fileupload1.SaveAs(System.IO.Path.Combine(fizfolder, filename + extension));
pic.ImageURL = virtualFolder + filename + extension;
pic.Date = System.DateTime.Today;
}