SharePoint User Group Bulgaria

In the past year I invested my free time in activities related to the SharePoint User Group Bulgaria.
This is the reason why I stopped writing in this blog.

Please start following this new place www.sugbg.com.
I promise you that you will find there truly valuable content.

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ClientPeoplePicker in SharePoint 2013

Start using SharePoint 2013 I noticed that the way for selecting people or groups is changed. The new way is simple – just ‘Enter name or email address’ without any icons for ‘Check Names’ or ‘Browse’. I guess that the PeoplePicker is changed but NO. PeoplePicker sitll has the same functionality as before. There is a new control called ClientPeoplePicker . How to use it: 1. Add this references <% @ Register TagPrefix ="wssawc" Namespace ="Microsoft.SharePoint.WebControls" Assembly ="Microsoft.SharePoint, Version=15.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c" %> 2. Add the following control declaration < wssawc : ClientPeoplePicker Required ="true" ValidationEnabled ="true" ID ="peoplePicker" runat ="server" ...

Error: A duplicate field name "xxxx" was found

Soon I have some experience with migrating solution from SharePoint 2010 to SharePoint 2013. The migration was on 3 steps. First one was just to copy the custom fields, content types and list definitions from the old VS 2010 project into a new VS 2012 project for SharePoint 2013. Looks like pretty simple task but ….. The problem: Error “ A duplicate field name "xxxx" was found ” when the feature for provisioning the fields and content types is activated. The solution: Review the field definitions and make sure no field has Name property equal to some of the ‘reserved’ values. Explanations: In SharePoint 2010 there was no problem to have these fields as a definition of custom fields: < Field Type = " Note " ID = " {893FB9BC-2DA4-4451-A1D1-88010CDC6A08} " Name = " Description " StaticName = " Description " DisplayName = " Description 1 " Requi...

SharePoint and List Joins with CAML

This came to me as an issue when I started migrating one project from SharePoint 2010 to SharePoint 2013. The code uses LINQ to SharePoint and it was not written in a clever way. We decide to use CAML queries and optimize the code. The scenario: Create gridview that gathers information from three(or more) lists. The problem: How to create the CAML query joins and projected fields correctly. Explanation : Option 1: Get generated CAML query from LINQ to SharePoint code This doesn’t work. I wrote the LINQ to SharePoint code connected the three lists. When I executed the code the following error was thrown – “ The query uses unsupported elements, such as references to more than one list, or the projection of a complete entity by using EntityRef/EntitySet. ” Here is some explanation about it and why this can’t be used. Option 2: Write the query yourself I found this article in MSDN . Read it ! The second part in it is exactly my scenario. But it takes me a lot of time to un...

SPObject.Resolve()

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