在web host 的DotNetNuke中添加连接时出现的错误及解决办法

在web host 的DotNetNuke中添加连接时出现的错误及解决办法

添加了:www.MyWebSite.com/news后,出现:
DotNetNuke Configuration Error
Domain Name "www.MyWebSite.com/news" Does Not Exist In The Database

DotNetNuke supports multiple portals from a single database/codebase. It accomplishes

this by converting the URL of the client browser Request to a valid PortalID in the

Portals database table. The following steps describe the process:
...
(省约)
然后在database (Portals table - PortalAlias field )加入
www.MyWebSite.com/news后,又出现如下错误:
Server Error in '/' Application.
--------------------------------------------------------------------------------

Object cannot be cast from DBNull to other types.
Description: An unhandled exception occurred during the execution of the current web

request. Please review the stack trace for more information about the error and where

it originated in the code.

Exception Details: System.InvalidCastException: Object cannot be cast from DBNull to

other types.

Source Error:

An unhandled exception was generated during the execution of the current web request.

Information regarding the origin and location of the exception can be identified

using the exception stack trace below. 

Stack Trace:

[InvalidCastException: Object cannot be cast from DBNull to other types.]
   System.DBNull.System.IConvertible.ToInt32(IFormatProvider provider) +48
   System.Convert.ToInt32(Object value) +36
   DotNetNuke.PortalSettings.GetPortalSettings(Int32 TabId, Int32 PortalId) +1544
   DotNetNuke.PortalSettings..ctor(Int32 tabId, Int32 PortalId) +253
   DotNetNuke.Global.Application_BeginRequest(Object sender, EventArgs e) +756
  

System.Web.SyncEventExecutionStep.System.Web.HttpApplication+IExecutionStep.Execute()

+60
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean&

completedSynchronously) +87

 

--------------------------------------------------------------------------------
Version Information: Microsoft .NET Framework Version:1.1.4322.573; ASP.NET

Version:1.1.4322.573
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
自解
1.将DVNEWS3上传到根目录下，文件夹名改为news。
2。 将DATABASE(Portals table - PortalAlias)中的其中一个的PortalAlias(不用的，或新建的

)改为news,即可。
3。不能直接新建PortalAlias,否则会出现上述第二个错误。