Sandboxed solution -get SharePoint lists programmatically

Question

I am using the below code for retrieving all sharepoint lists from a site.

SPSite site = new SPSite("http://servername:port");
SPWeb web = site.OpenWeb();
SPListCollection SPlists = web.Lists;
foreach (SPList list in SPlists)
  {
    // do something
  }

But while deploying it shows the error

"Unhandled exception was thrown by the sandboxed code wrapper's Execute method in the partial trust app domain: An unexpected error has occurred."

Any ideas how can we get sharepoint lists and list items from a a site in sandboxed solution?

jjczopek · Accepted Answer · 2013-04-07 22:28:59Z

2

Not 100% suer, but I think that SPSite constructor is not allowed in sandboxed mode, so You have to obtain your SPSite instance differently.

answered Apr 7, 2013 at 22:28

jjczopek

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Vardhaman Deshpande · Accepted Answer · 2012-10-29 06:52:43Z

0

The error you are getting is a very generic sandbox error. This error can be thrown due to a variety of reasons by the SharePoint Sandbox.

Can you debug with Visual Studio? I would suggest you use some kind of logging mechanism if you cannot debug your solution directly with VS. Try the following code:

try
{
    using(SPSite site = new SPSite("http://servername:port"))
    {
        using(SPWeb web = site.OpenWeb())
        {
            SPListCollection SPlists = web.Lists;
            foreach (SPList list in SPlists)
            {
                // do something
            }
        }
    }

}
catch(Exception ex)
{
    Page.Controls.Add(new LiteralControl("<div>"+ ex.Message() +"</div>"));
}

answered Oct 29, 2012 at 6:52

Vardhaman Deshpande

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while debugging it does not throw any error! I will get the lists successfully, But the error is shown when in the sharepoint page

sharmila
– sharmila

2012-10-29 06:56:33 +00:00
Commented Oct 29, 2012 at 6:56
Then I guess this has something to do with the Environment. Make sure all the sandbox processes and services are running properly.

Vardhaman Deshpande
– Vardhaman Deshpande

2012-10-29 07:26:05 +00:00
Commented Oct 29, 2012 at 7:26
They are running....one thing i found that if i use SPContext.Current.Web.Lists then the code will not throw exception. But i need to find a way other than this. any ideas?

sharmila
– sharmila

2012-10-29 07:55:59 +00:00
Commented Oct 29, 2012 at 7:55

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Rafał Saltarski · Accepted Answer · 2012-10-29 11:59:51Z

0

Can you find what exactly happens using SharePoint Log Viewer?

http://sharepointlogviewer.codeplex.com/

answered Oct 29, 2012 at 11:59

Rafał Saltarski

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tekiegreg · Accepted Answer · 2013-05-10 19:14:16Z

0

You can only access the CURRENT context inside sandboxed code, ergo a correction to this code would be

SPListCollection SPlists = SPContext.Current.Web.Lists;
foreach (SPList list in SPlists)
  {
    // do something
  }

answered May 10, 2013 at 19:14

tekiegreg

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