SPMetal is a very useful tool in Sharepoint 2010, introduced by Microsoft for creating Entity Data Model of the underlying Sharepoint lists. Though it is still at a very nascent stage, it can still be very productive as far as sharepoint customization in .Net is concerned.

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get list item versions in linq to sharepoint

How can i access last approved list-items in linq to sharepoint. Actually I want equivalent of this statement in linq to sharepoint if (item.Versions[index].Level == SPFileLevel.Published)
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70 views

SPMetal generating unique enums for each choice field with same values

I use SPMetal on two lists on my SharePoint site and there are several columns with choice field who have the same choices. <Field Name='Colors1' Type='Choice'> <CHOICES> ...
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310 views

Why would linq to sharepoint ever return null list items?

I am getting a null reference exception that I can't pin down. By process of elimination using a variety of assumptions I've narrowed it down to a single variable, a linq iteration variable, like so: ...
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Resource throttling and LINQ / spmetal

Today I received an e-mail from a customer telling me their site broke. I checked the ULS and noticed resource throttling had kicked in on one of the sites. I'm used to this when using ...
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spmetal generates code for all sharepoint lists except one

I used SPMetal to generate code for the lists on my SharePoint site as per these instructions. I have several custom lists on the site. SPMetal generates code for all of the lists except one. There is ...
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175 views

Auto inserting SPMetal child entities?

Let's say I have two lists in my web site, linked by a lookup : List A (content type ACT) Title (text) List B (content type BCT) Title (text) A (lookup to A) I use SPMetal to generate a ...
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181 views

Generating Entity List property for “Reusable Content” list

I am attempting to generate an entity class for "Reusable Content" list. After running the CKSDEV tool, i see that DataContext object has the following /// <summary> /// Items in this list ...
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249 views

Getting at InfoPath/form library data using LINQ to SharePoint

I'm teaching myself some basic SharePoint stuff, coming from three-tier ASP.NET, and before that, Java background. I've been trying to figure out how to do things "the SharePoint" way, rather than ...
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539 views

Why does SPMetal ignore lookup columns in Farm Solution

I have content types and related lists (via lookup columns) in a Sandbox solution(.wsp). All my lookup column relationships come up fine in the SPMetal generated entity classes. I now have a ...
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CSOM not working for different users. “No credentials are available in the security package” returned

I have an ASP.NET MVC 5 application running. It reads and feeds most of its data from a SharePoint portal (but it is not running as a SP App, but independently). Since performance is not a critical ...
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377 views

SPMetal insert item with lookup column throwing exception stating that there is a field that is read only

I have the following code protected void BetOnCar_Click(object sender, EventArgs e) { DerbyDataContext context = new DerbyDataContext(SPContext.Current.Web.Url); int carId = ...