Hi

The option is removed by default due to its impact on performance, whoever if you would like to enable it.
You can go to the web.config and change this setting to true:
<add key="SmartObject.RuntimeListViewRowCount" value="true" />

Here is the link for more information:
http://help.k2.com/helppages/K2smartforms1.0.4DevRef/webframe.html#web_config_Performance.html

Kind Regards

The statements and opinions made in my postings are my own, and do not reflect the opinions of SourceCode Technology Holdings, Inc. or its subsidiaries. All information is provided as is with no warranties express or implied, and grants no rights or licenses.