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Questions tagged [linq-to-sharepoint]

27 questions
5
votes
3 answers

Linq to SharePoint throwing null reference exception

In our SharePoint 2010 project we are using Linq to SharePoint to get a list of ConfigurationItems. On our testing environments we never had issues fetching data from this list. On our production environment we are now sometimes (we cannot find a…
ChristiaanV
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1 answer

SPMetal: How to override it to use internal name instead of “Display Name”

So I am using SPmetal tool to generate data classes to use LINQ to SharePoint. A feature of the tool is aliasing the site column by its Display name. How can I override SPMetal setting to use Internal name or static name?
Shankarooni
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4
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1 answer

Extending linq to sharepoint for Publishing HTML fields

I've created a partial class to extend the default spmetal class to handle publishing html fields. As outlined here: Extending the Object-Relational Mapping Snippet from public partial class RelatedLinksItem : Item, ICustomMapping: ///…
Gerard
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3
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3 answers

Correct MultiChoice Values in LINQ to SharePoint Query

I am using a LINQ to SharePoint query to return items from a SharePoint list. var myOpenTasksQuery = from myTasks in tasks where myTasks.TaskStatus != TaskStatus.Completed select myTasks However, the…
Tangiest
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2
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5 answers

LINQ to Sharepoint InsertOnSubmit Question

For example I have a list called Product and it has 3 columns, ProductName (which is the Title), ProductPrice and ProductType. ProductName is a string ProductPrice is a currency (double) ProductType is a LookUp on ProductTypes List Normally…
Raymund
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2
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5 answers

matching string to item ids in LINQ

I have a string: strCheckedCategories = "2;" an EntityList representing a SharePoint list, with item IDs from 1 to 21: EntityList vendorSearches = dataContext.GetList("Vendor Searches"); a LINQ query…
LFurness
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1 answer

LINQ to Sharepoint - User field

I'm using LINQ to Sharepoint and I've got big problem with saving entity which have user field. SPMetal generated me User field like string property, so I try tu do something like this: SomeEntity e = new SomeEntity() { ..., User = user.ID, ...…
Michal
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Is there a way to use SPMetal generated classes together with a WCF service application?

I generated entity classes with spmetal using the serialization parameter (set to "unidirectional"). However, when I use those classes as return value for a WCF method, I get the following error: System.ServiceModel.CommunicationException was…
binford
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1 answer

LINQ Query results and string methods

First of all let me apologize for the wall of code. Basically, I have two two queries against Sharepoint lists. The code seems to work great if I comment a couple of lines. Here is the code: Global: private string mUserName = ""; // Entity classes…
Corey
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2 answers

complicated query with multi-lookups

I am trying to get the items of one list where any of the multi-lookup values is contained in the result of another query. The situation is this: I am building a webpart with which users can make reports ("melding") using a set of sharepoint…
Wuolennaj
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Web service 404 always due complex types

I'm having problem passing some complex data in a call, one type is HTML, another one is stringify Json. REQ_Description = HTML REQ_Services = JSON.stringify(SomeData) Here is my code SERVER Interface [WebGet(UriTemplate =…
Joao Livio
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1
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2 answers

Sharepoint event receiver and linq to sharepoint

I have a sandboxed solution and access some lists with Linq-to-Sharepoint. Now I attached an event receiver to the list type 101 because I have to restrict some files uploaded to picture libraries. This works fine. But now my Linq-to-Sharepoint…
Marc
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0 answers

Generate Sharepoint LINQ classes with SPMetal and ContentType

I have a list MyList based on ContentType MyContentType in Sharepoint. Now I try to generate the LINQ classes with SPMetal but the class for ContentType is created twice basically. XML config for SPMetal
Marc
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2 answers

When does SPMetal generate EntityRef properties for lookup fields?

I have a defined a content type called SPVideoDataItem containing those two fields:
binford
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Optimizing LINQ to Sharepoint

I have three lists on Sharepoint 2010 and I have working code that gets the lists and relates them. My problem is that it takes around 15 seconds to load my page. I am a rank beginner with LINQ to Sharepoint and LINQ in general. MY question is: Is…
Corey
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