MOSS 2007中使用aspx网页访问数据库出现“意外错误”的解决方法

1.打开C:\Program Files\Common Files\Microsoft Shared\Web Server Extensions\12\CONFIG\wss_minimaltrust.config

2. 在    </SecurityClasses>上添加如下内容

            <SecurityClass Name="SqlClientPermission" Description="System.Data.SqlClient.SqlClientPermission, System.Data, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" />

3.找到如下内容，并添加红字部分内容。 
<PermissionSet
                                class="NamedPermissionSet"
                                version="1"
                                Name="SPRestricted">
                            <IPermission
                                    class="AspNetHostingPermission"
                                    version="1"
                                    Level="Minimal"
                            />
                              ...................                           
                       <IPermission class="SqlClientPermission"   version="1"    Unrestricted="true" />
                        </PermissionSet>