topic Routing Problem in ArcGIS Network Analyst Questions https://community.esri.com/t5/arcgis-network-analyst-questions/routing-problem/m-p/264101#M2638 <HTML><HEAD></HEAD><BODY><SPAN>Hi,</SPAN><BR /><SPAN>I have a problem with the FindRoute() method</SPAN><BR /><SPAN> private void FindRoute()</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; {</SPAN><BR /><BR /><SPAN>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; //System.Windows.Forms.Cursor Cursor = this.Cursor;</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; try</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; {</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; //this.Cursor = Cursors.WaitCursor;</SPAN><BR /><BR /><SPAN>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; // set highways priority (0.0 - 100.0)&nbsp;&nbsp;&nbsp; </SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; // SMRoadPreferences objPreferences = m_objRouter.Preferences;</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; //objPreferences.set_Item(esriSMRoadType.esriSMRoadTypeHighways, (short)100);</SPAN><BR /><BR /><SPAN>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; // set route type (Time/Length)&nbsp;&nbsp;&nbsp; </SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; m_objRouter.NetAttributeName = "Length";&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; //&lt;= EXCEPTION AT THIS LINE</SPAN><BR /><BR /><SPAN>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; // Set Length Units for Directions output</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; SetDirectionsUnits();</SPAN><BR /><BR /><SPAN>==========================================================</SPAN><BR /><SPAN>It throws an exception here -&gt; m_objRouter.NetAttributeName = "Length"; </SPAN><BR /><SPAN>any suggestions??</SPAN></BODY></HTML> Fri, 13 Apr 2012 19:03:05 GMT GhadaAssabry 2012-04-13T19:03:05Z Routing Problem https://community.esri.com/t5/arcgis-network-analyst-questions/routing-problem/m-p/264101#M2638 <HTML><HEAD></HEAD><BODY><SPAN>Hi,</SPAN><BR /><SPAN>I have a problem with the FindRoute() method</SPAN><BR /><SPAN> private void FindRoute()</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; {</SPAN><BR /><BR /><SPAN>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; //System.Windows.Forms.Cursor Cursor = this.Cursor;</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; try</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; {</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; //this.Cursor = Cursors.WaitCursor;</SPAN><BR /><BR /><SPAN>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; // set highways priority (0.0 - 100.0)&nbsp;&nbsp;&nbsp; </SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; // SMRoadPreferences objPreferences = m_objRouter.Preferences;</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; //objPreferences.set_Item(esriSMRoadType.esriSMRoadTypeHighways, (short)100);</SPAN><BR /><BR /><SPAN>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; // set route type (Time/Length)&nbsp;&nbsp;&nbsp; </SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; m_objRouter.NetAttributeName = "Length";&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; //&lt;= EXCEPTION AT THIS LINE</SPAN><BR /><BR /><SPAN>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; // Set Length Units for Directions output</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; SetDirectionsUnits();</SPAN><BR /><BR /><SPAN>==========================================================</SPAN><BR /><SPAN>It throws an exception here -&gt; m_objRouter.NetAttributeName = "Length"; </SPAN><BR /><SPAN>any suggestions??</SPAN></BODY></HTML> Fri, 13 Apr 2012 19:03:05 GMT https://community.esri.com/t5/arcgis-network-analyst-questions/routing-problem/m-p/264101#M2638 GhadaAssabry 2012-04-13T19:03:05Z Re: Routing Problem https://community.esri.com/t5/arcgis-network-analyst-questions/routing-problem/m-p/264102#M2639 <HTML><HEAD></HEAD><BODY><SPAN>Is this the entire code or is there more? Does the m_objRouter object exist by the time you are calling the NetAttributeName method on it?</SPAN><BR /><BR /><SPAN>Jay Sandhu</SPAN></BODY></HTML> Fri, 20 Apr 2012 17:49:31 GMT https://community.esri.com/t5/arcgis-network-analyst-questions/routing-problem/m-p/264102#M2639 JaySandhu 2012-04-20T17:49:31Z