How to get total DB size

Showing live article 1869 of 23857 in channel 13388532
Article Details:

Author:
Language: English
Channel Number: 13388532
Article Number: 1869
Date: January 17, 2014, 2:09 pm
URL: http://social.msdn.microsoft.com/Forums/en-US/af38c5c3-ef22-4ea2-b14e-01328566b4c0/how-to-get-total-db-size?forum=transactsql
GUID: http://social.msdn.microsoft.com/Forums/en-US/af38c5c3-ef22-4ea2-b14e-01328566b4c0/how-to-get-total-db-size?forum=transactsql