I ALSO tried using Portal.csproj file from https://github.com/MonoSoftware/MonoX-Sample-Solution
I copy and paste Portal.csproj to root directly as well as this location MonoX\Samples\Solution\ (I PASTE HERE - Portal.csproj)
Now when I open the solution from here: MonoX\Samples\Solution\ProjectName.sln in Visual Studio
Error 16 Source file 'Code\BaseClasses\BasePage.cs' could not be found MySite\MonoX\Samples\Solution\CSC Portal
Error 17 Source file 'Code\BaseClasses\BaseAutoRegisterPart.cs' could not be found MySite\MonoX\Samples\Solution\CSC Portal
Error 18 Source file 'Code\BaseClasses\BaseUserControl.cs' could not be found MySite\MonoX\Samples\Solution\CSC Portal
Error 19 Source file 'Code\Classes\DataManager.cs' could not be found MySite\MonoX\Samples\Solution\CSC Portal
Error 20 Source file 'Code\Layers\Repositories\PopularGroupRepository.cs' could not be found MySite\MonoX\Samples\Solution\CSC Portal
Error 21 Source file 'ProjectName\ProfileSamples\ASPNETProfileSample\ASPNETProfileSample.aspx.cs' could not be found MySite\MonoX\Samples\Solution\CSC Portal
Error 22 Source file 'ProjectName\ProfileSamples\ASPNETProfileSample\ASPNETProfileSample.aspx.designer.cs' could not be found MySite\MonoX\Samples\Solution\CSC Portal
Error 23 Source file 'ProjectName\ProfileSamples\MonoXProfileTemplates\SideContentTemplate.ascx.cs' could not be found MySite\MonoX\Samples\Solution\CSC Portal
Error 24 Source file 'ProjectName\ProfileSamples\MonoXProfileTemplates\SideContentTemplate.ascx.designer.cs' could not be found MySite\MonoX\Samples\Solution\CSC Portal
Error 25 Source file 'ProjectName\ProfileSamples\MonoXProfileTemplates\MainContentTemplate.ascx.cs' could not be found MySite\MonoX\Samples\Solution\CSC Portal
Error 26 Source file 'ProjectName\ProfileSamples\MonoXProfileTemplates\MainContentTemplate.ascx.designer.cs' could not be found MySite\MonoX\Samples\Solution\CSC Portal
Error 27 Source file 'ProjectName\ProfileSamples\MonoXProfileTemplates\MonoXProfileSample.aspx.cs' could not be found MySite\MonoX\Samples\Solution\CSC Portal
Error 28 Source file 'ProjectName\ProfileSamples\MonoXProfileTemplates\MonoXProfileSample.aspx.designer.cs' could not be found MySite\MonoX\Samples\Solution\CSC Portal
Error 29 Source file 'ProjectName\WebParts\PopularGroupsList.ascx.cs' could not be found MySite\MonoX\Samples\Solution\CSC Portal
Error 30 Source file 'ProjectName\WebParts\PopularGroupsList.ascx.designer.cs' could not be found MySite\MonoX\Samples\Solution\CSC Portal
Error 31 Source file 'ProjectName\WebParts\WebPartSample.aspx.cs' could not be found MySite\MonoX\Samples\Solution\CSC Portal
Error 32 Source file 'ProjectName\WebParts\WebPartSample.aspx.designer.cs' could not be found MySite\MonoX\Samples\Solution\CSC Portal
Error 33 Source file 'ProjectName\WebParts\HelloWorld.ascx.cs' could not be found MySite\MonoX\Samples\Solution\CSC Portal
Error 34 Source file 'ProjectName\WebParts\HelloWorld.ascx.designer.cs' could not be found MySite\MonoX\Samples\Solution\CSC Portal
Warning 1 Could not resolve this reference. Could not locate the assembly "MonoSoftware.Core". Check to make sure the assembly exists on disk. If this reference is required by your code, you may get compilation errors. Portal
Warning 2 Could not resolve this reference. Could not locate the assembly "MonoSoftware.LLBLGen". Check to make sure the assembly exists on disk. If this reference is required by your code, you may get compilation errors. Portal
Warning 3 Could not resolve this reference. Could not locate the assembly "MonoSoftware.MonoX.DAL". Check to make sure the assembly exists on disk. If this reference is required by your code, you may get compilation errors. Portal
Warning 4 Could not resolve this reference. Could not locate the assembly "MonoSoftware.MonoX.DALDBSpecific". Check to make sure the assembly exists on disk. If this reference is required by your code, you may get compilation errors. Portal
Warning 5 Could not resolve this reference. Could not locate the assembly "MonoSoftware.Web". Check to make sure the assembly exists on disk. If this reference is required by your code, you may get compilation errors. Portal
Warning 6 Could not resolve this reference. Could not locate the assembly "MonoSoftware.Web.LiteGrid". Check to make sure the assembly exists on disk. If this reference is required by your code, you may get compilation errors. Portal
Warning 7 Could not resolve this reference. Could not locate the assembly "MonoSoftware.Web.Pager". Check to make sure the assembly exists on disk. If this reference is required by your code, you may get compilation errors. Portal
Warning 8 Could not resolve this reference. Could not locate the assembly "MonoSoftware.Web.Workspace". Check to make sure the assembly exists on disk. If this reference is required by your code, you may get compilation errors. Portal
Warning 9 Could not resolve this reference. Could not locate the assembly "MonoX". Check to make sure the assembly exists on disk. If this reference is required by your code, you may get compilation errors. Portal
Warning 10 Could not resolve this reference. Could not locate the assembly "NVelocity". Check to make sure the assembly exists on disk. If this reference is required by your code, you may get compilation errors. Portal
Warning 11 Could not resolve this reference. Could not locate the assembly "SD.LLBLGen.Pro.DQE.SqlServer.NET20". Check to make sure the assembly exists on disk. If this reference is required by your code, you may get compilation errors. Portal
Warning 12 Could not resolve this reference. Could not locate the assembly "SD.LLBLGen.Pro.LinqSupportClasses.NET35". Check to make sure the assembly exists on disk. If this reference is required by your code, you may get compilation errors. Portal
Warning 13 Could not resolve this reference. Could not locate the assembly "SD.LLBLGen.Pro.ORMSupportClasses.NET20". Check to make sure the assembly exists on disk. If this reference is required by your code, you may get compilation errors. Portal
Warning 14 Could not resolve this reference. Could not locate the assembly "SmartThreadPool". Check to make sure the assembly exists on disk. If this reference is required by your code, you may get compilation errors. Portal
Warning 15 Could not resolve this reference. Could not locate the assembly "Telerik.Web.UI". Check to make sure the assembly exists on disk. If this reference is required by your code, you may get compilation errors. Portal
Warning 35 The referenced component 'MonoSoftware.Core' could not be found. Portal
Warning 36 The referenced component 'MonoSoftware.LLBLGen' could not be found. Portal
Warning 37 The referenced component 'MonoSoftware.MonoX.DAL' could not be found. Portal
Warning 38 The referenced component 'MonoSoftware.MonoX.DALDBSpecific' could not be found. Portal
Warning 39 The referenced component 'MonoSoftware.Web' could not be found. Portal
Warning 40 The referenced component 'MonoSoftware.Web.LiteGrid' could not be found. Portal
Warning 41 The referenced component 'MonoSoftware.Web.Pager' could not be found. Portal
Warning 42 The referenced component 'MonoSoftware.Web.Workspace' could not be found. Portal
Warning 43 The referenced component 'MonoX' could not be found. Portal
Warning 44 The referenced component 'NVelocity' could not be found. Portal
Warning 45 The referenced component 'SD.LLBLGen.Pro.DQE.SqlServer.NET20' could not be found. Portal
Warning 46 The referenced component 'SD.LLBLGen.Pro.LinqSupportClasses.NET35' could not be found. Portal
Warning 47 The referenced component 'SD.LLBLGen.Pro.ORMSupportClasses.NET20' could not be found. Portal
Warning 48 The referenced component 'SmartThreadPool' could not be found. Portal
Warning 49 The referenced component 'Telerik.Web.UI' could not be found. Portal