topic Re: Change Evaluator Parser from VB to Python in Network Dataset in ArcGIS Network Analyst Questions https://community.esri.com/t5/arcgis-network-analyst-questions/change-evaluator-parser-from-vb-to-python-in/m-p/139485#M1402 <HTML><HEAD></HEAD><BODY><SPAN>Figured out the problem.&nbsp; The network dataset I have was built under ArcGIS 10.0.&nbsp; I updated it to a 10.1 network dataset and I can select python.&nbsp; Python scripting was not intorduced until ArcGIS 10.1</SPAN></BODY></HTML> Wed, 09 Apr 2014 15:42:43 GMT LukeCatania 2014-04-09T15:42:43Z Change Evaluator Parser from VB to Python in Network Dataset https://community.esri.com/t5/arcgis-network-analyst-questions/change-evaluator-parser-from-vb-to-python-in/m-p/139484#M1401 <HTML><HEAD></HEAD><BODY><SPAN>I want to change all the cost expressions to Python for my network dataset.&nbsp; They are currently in VB.&nbsp; Python is grayed out for some reason.&nbsp; I tried to create a new attribute and set it, but Python is still grayed out.&nbsp; I am trying to avoid starting from scratch, but am thinking that because other attributes are in VB, it might think I am trying to have a mix of VB and python which may not be allowed, therefore I would have to delete all attributes using VB costs and start from scratch.</SPAN></BODY></HTML> Wed, 09 Apr 2014 14:58:16 GMT https://community.esri.com/t5/arcgis-network-analyst-questions/change-evaluator-parser-from-vb-to-python-in/m-p/139484#M1401 LukeCatania 2014-04-09T14:58:16Z Re: Change Evaluator Parser from VB to Python in Network Dataset https://community.esri.com/t5/arcgis-network-analyst-questions/change-evaluator-parser-from-vb-to-python-in/m-p/139485#M1402 <HTML><HEAD></HEAD><BODY><SPAN>Figured out the problem.&nbsp; The network dataset I have was built under ArcGIS 10.0.&nbsp; I updated it to a 10.1 network dataset and I can select python.&nbsp; Python scripting was not intorduced until ArcGIS 10.1</SPAN></BODY></HTML> Wed, 09 Apr 2014 15:42:43 GMT https://community.esri.com/t5/arcgis-network-analyst-questions/change-evaluator-parser-from-vb-to-python-in/m-p/139485#M1402 LukeCatania 2014-04-09T15:42:43Z