本文详细介绍了SharePoint沙盒解决方案的限制，包括不能使用任何SharePoint控件、无法访问布局文件夹、无法使用Visual WebParts等。此外，文章还提到了在沙盒解决方案中无法使用某些功能和权限提升，以及如何在调试代码时进行处理。
A Sandbox Solution,what is and what is not
We all know the limitations of a sandbox solution in SharePoint. A sandbox solution is deployed to a particular site collection's solution gallery rather than to farms's solution gallery as in case of Farm solution. There are also some more limitation in the sandbox solution.
Here I am going to list some of major limitations:-
1) You can not use any SharePoint control in sandbox solution.e.g spgrid, sharepoint datetime control, people picker etc. You have to rely on the asp.net controls.
2) You do not have access to the layouts folder.
3) You can not use Visual web parts in this rather you can use Visual Studio 2010 SharePoint Power Tools to use visual web parts in sandbox solution.
3) You can not use run with elevated privileges function to override current user's privileges.
4) You can use asp.net file upload control to upload files to SharePoint document library rather you can use silver light client context to upload files.
5) To debug the code you have to attach to the process SPUCWoker process and not to the w3p process as in farm solution.
6) You cannot use SPUtility.SendEmail method to send emails in sandbox solutions
To send email you can follow this useful link
There is SharePoint User Code service that is responsible for the sandbox solution executions.
A sandboxed solution is also not allowed to access anything outside the site collection to which it is deployed. An implication of this is that Features deployed in sandboxed solutions can only be scoped to a site collection or website
Here I am going to list some of major limitations:-
1) You can not use any SharePoint control in sandbox solution.e.g spgrid, sharepoint datetime control, people picker etc. You have to rely on the asp.net controls.
2) You do not have access to the layouts folder.
3) You can not use Visual web parts in this rather you can use Visual Studio 2010 SharePoint Power Tools to use visual web parts in sandbox solution.
3) You can not use run with elevated privileges function to override current user's privileges.
4) You can use asp.net file upload control to upload files to SharePoint document library rather you can use silver light client context to upload files.
5) To debug the code you have to attach to the process SPUCWoker process and not to the w3p process as in farm solution.
6) You cannot use SPUtility.SendEmail method to send emails in sandbox solutions
To send email you can follow this useful link
There is SharePoint User Code service that is responsible for the sandbox solution executions.
A sandboxed solution is also not allowed to access anything outside the site collection to which it is deployed. An implication of this is that Features deployed in sandboxed solutions can only be scoped to a site collection or website
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