Introduction

When upgrading to K2 4.5 Update KB001290 and an existing K2 process (kprx) is opened in the K2 Designer for Visual Studio 2010 the K2 toolbox might not appear. Creating a new project works correctly and the toolbox appears as expected.

Workaround:

Perform the following steps to resolve the issues:

  1. Right - click on the project in Solution Explorer and select Properties
  2. Image

  3. If the Target Framework Version is set to one of the Client Profile .NET Frameworks as shown in the table below, change the value as indicated:
Configured Target Framework Value Change To
.NETFramework,Version=v3.5,Profile=Client   .NETFramework,Version=v3.5
.NETFramework,Version=v4.0,Profile=Client .NETFramework,Version=v4.0 

Example:

If Target Framework Version has the value as shown in the figure below:

Image

Change the Target Framework Version to the value as shown in the figure below:

Image

Note: For K2 Designer for Visual Studio to function correctly, always make use of the following Target Framework Version values when using the K2 Designer for Visual Studio 2010 :
  • .NETFramework,Version=v3.5
  • 
  • .NETFramework,Version=v4.0