How to disable button in sugarcrm dynamically

Let me explain how to disable button action dynamically thorough controller(ex.record.js) and when.
Creating custom keyboard shortcuts in sugarcrm

Let me say something about shortcut keyboard in sugarcrm,How it can be done.
Here is sample, Open.
Apply initial filter in relate fields and relationship fields with quick(popup) search sugarcrm 7.x

In this article,I will be explaining how to apply initial filter in relationship fields including quick(popup).
Customize change theme in sugarcrm 7.x

To override the default theme colors, a new variables.php file will need to be created.
Copy the.
SugarCRM Silent Upgrade

!--
How to upgrade SugarCRM Professional 6.5.20 To SugarCRM Professional 7.5.0.1
Just follow below.
Shortcut keys

Keyboard shortcuts:
Copy only active window to clipboard
1.To print particular window screenshot
.