Custom Ribbon in SharePoint 2010 & which not wrok when migrate from 2010 to 2013

1. First of all, let me show you the ribbon modal in our project whcih just like the example from internet.

>>SPMIPRibbon.cs

I‘ve add some clear comments.

>>SPMIPRibbon.js

Ribbon command javascript file

Now let us see how to use it

Declare a ribbon definition like this as below

Override OnPreRender method and add the following code

Enjoy it.

Here is one problem when we migrate it from SP14 to SP15, we may get error message as "getGlobalCommands not found".

The reason is in SharePoint 2013, the SPRibbonScriptManager class‘s execution is slower than the js execution, when the js object initializes, the needed commands have not generated.

To solve this, we need to do a little change to the js file.

Change the

to

That is all, thanks.