全局处理问题：public static Model.SGGLDB db = Funs.DB;

SGGL/BLL/ZHGL/DataSync/Hazard_RealTimeDeviceService.cs

@@ -11,7 +11,7 @@ namespace BLL
 
     public static class HazardRealtimedeviceService
     {
-        public static Model.SGGLDB db = Funs.DB;
+        
 
 
         #region 获取列表
@@ -25,6 +25,7 @@ namespace BLL
         }
         public static List<Model.Hazard_RealTimeDevice> GetHazard_RealTimeDeviceByModle(Model.Hazard_RealTimeDevice table)
         {
+            Model.SGGLDB db = Funs.DB;
             var q = from x in db.Hazard_RealTimeDevice
                     where
                               (string.IsNullOrEmpty(table.ID) || x.ID.Contains(table.ID)) &&
@@ -130,6 +131,7 @@ namespace BLL
 
         public static Model.Hazard_RealTimeDevice GetHazard_RealTimeDeviceById(string ID)
         {
+            Model.SGGLDB db = Funs.DB;
             return db.Hazard_RealTimeDevice.FirstOrDefault(x => x.ID == ID);
         }
 
@@ -268,6 +270,7 @@ namespace BLL
         }
         public static List<Model.Hazard_RealTimeDevice> GetHazard_RealTimeDeviceByDate(DateTime? reportDate)
         {
+            Model.SGGLDB db = Funs.DB;
             var q = from x in db.Hazard_RealTimeDevice
                     where x.ReportDate.Value.Date.CompareTo(reportDate.Value.Date) == 0
                     select x;