Hi, I have a problem with the FindRoute() method private void FindRoute() { //System.Windows.Forms.Cursor Cursor = this.Cursor; try { //this.Cursor = Cursors.WaitCursor; // set highways priority (0.0 - 100.0) // SMRoadPreferences objPreferences = m_objRouter.Preferences; //objPreferences.set_Item(esriSMRoadType.esriSMRoadTypeHighways, (short)100); // set route type (Time/Length) m_objRouter.NetAttributeName = "Length"; //<= EXCEPTION AT THIS LINE // Set Length Units for Directions output SetDirectionsUnits(); ========================================================== It throws an exception here -> m_objRouter.NetAttributeName = "Length"; any suggestions??
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