Thanks for the update.
From your last update, we are unable to conclude whether the reported problems in your application is resolved or not.
We have provided the solution for resolving the reported issues and the necessary details required for successfully configuring EJ components in ASP.NET Webforms application.
Also, we have suggested some public forum links to resolve your last reported issue (Could not find a part of the path 'C:\SyncfusionControlSample\WebApplication1\bin\roslyn\csc.exe)
in our previous update. We request you to use those links or other similar links to resolve the reported issues at your end.
Try upgrading the below mentioned NuGet package versions in your application, which might resolve this issue.
· Delete all the bin and obj folders from your application.
· Clean solution and rebuild your project again.
· Run below code in the Package Manager Console to re-install/upgrade Nuget packages from which roslyn files will be created.
Also, we have prepared our previous provided sample target to Visual Studio 2017. This issue might occur when you try run the application using its earlier version like VS 13 or VS 15. So, try to run our application with VS 17 or it later Visual Studio versions which might resolve the issue at your end.
Refer the following links which might help you resolving the last reported issue.
Based on Syncfusion support norms, we are bounded to provide support for Syncfusion components related queries, alone.
Please, get back to us if you still face any problems related to Syncfusion components. We will be happy to assist you. For non Syncfusion related technical questions, please post your queries on public forums to get the expected solution.
Shameer Ali Baig S.