Category Archives: SharePoint

SharePoint List Performance (or how I saved 94%)

2011-10-13 – 10:03

In a recent performance test session, I had created a thousand documents in a document library. They all had a 20 custom metadata fields filled out with data. The unit under test read all this data along with the common file information like this: SPUser user = listItem.File.CheckedOutByUser; result.CheckedOutBy = user != null ? user.LoginName [...]

By Mads Klinkby | Also posted in .NET | Tagged , , , , , | Comments Off

Document Property Promotion in SharePoint

2011-05-24 – 08:43

While building a service for SP2010 that uploads a document and adds metadata, I ran into some trouble with the document property promotion service in SharePoint. In short its job is to keep properties in the files in sync with the list item field values. When you upload an Office Open XML document or an image, SharePoint [...]

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SharePoint web.config modifications

2010-12-10 – 08:53

WSP deployment packages is the MSI for SharePoint. It really helps server administrators manage deployment as well as developers packing functionality and content in compact packages. With the introduction of Visual Studio 2010 it became easier to produce all kinds of WSPs right in your favorite dev env. Custom web.config modifications is one aspect Visual [...]

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SharePoint – How a little LINQ magic can list all user’s permissions

2010-11-10 – 11:45

To manage authorization in SharePoint you define a set of roles with permissions that is assigned to groups and users. It is a versatile model with many possibilities. But because of its complexity it is a not as easy as one might think to get a list of what each user can do with a [...]

By Mads Klinkby | Also posted in .NET | Comments Off

Parsing multivalued SharePoint fields with Regex

2009-04-1 – 01:05

As Mark Arend points out on his blog, there are quite a number of ways SharePoint formats complex field values. His list even misses the Lookup multiple values variant that e.g. can be: “Kategori 2;#1;#Kategori 1″. To split the composite fields we need a little regular expression fission: readonly static Regex _regex = new Regex( [...]

By Mads Klinkby | Also posted in .NET | Comments Off
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