I have requirement that Provider hosted app is in in http://localhost:1234/site1 for example

and I need to get the list items from the list in http://localhost:1234/site2

Uri hostWeb = new Uri(Request.QueryString["SPHostUrl"]);

using (var clientContext =  TokenHelper.GetS2SClientContextWithWindowsIdentity(hostWeb, Request.LogonUserIdentity))
    List list =                     clientContext.Web.Lists.GetByTitle("ListofSiteCollection2");
    Microsoft.SharePoint.Client.ListItem item = list.GetItemById(1);

Thanks in Advance

  • Have you tried? What's the issue here? You don't know how? Is it not working? We need more info. – wjervis May 7 '15 at 14:06
  • I gave 'web', 'site collection' level permission to that app – user41938 May 7 '15 at 14:09
  • It is not working I deployed app to one site collection, I specifing list of another site collection to get the data. It is saying "List is unknown" – user41938 May 7 '15 at 14:13
  • any information required – user41938 May 7 '15 at 14:20
  • Put your code in your question. – wjervis May 7 '15 at 14:45

Your code is attempting to read the list from the host web, not from the other site collection. You need to create another ClientContext for the other site collection, and use it to get the list object.

var site2Ctx = new ClientContext("http://localsite:1234/site2");
    var list = site2Ctx.Web.Lists.GetByTitle("list display name");
    // do whatever you need to do
} finally 
| improve this answer | |
  • I need create one more client context to get the host web list right ? – user41938 May 7 '15 at 14:56
  • Yes, your current code will work for the list on the host web. – wjervis May 7 '15 at 14:56

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