Visual Studio 2017 bug: SharePoint projects „Update Required“

Installing Visual Studio 2017 made it impossible for me to open any SharePoint Project. All projects showed the message „Update Office Developer Tools“

SharePoint: Create and deploy complex calculated column formula in Visual Studio

Deploying a SharePoint calculated column using a visual studio solution can be tough. In this post I’ll show some easy steps how to deploy a valid column.

Deploying Calculated Columns using Visual Studio

Creating calculated site or list columns and deploying them as a SharePoint feature brings some challenges for developers. Some of the problems you have to deal with will be explained in this post.

Error occurred in deployment of step ‘Activate Features’: the field with ID ‚…‘ defined in feature ‚…‘ was found in the current site collection or in a sub site.

This error can occur when you try to activate a feature which activates custom list definitions, content types or site columns.

It does not only occur when a list instance of your custom list still exists on a site or subsite. It also can also appear when in the following cases.