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

SGGL/BLL/Common/AttachFileService.cs

@@ -12,7 +12,7 @@ namespace BLL
 {
     public static class AttachFileService
     {
-        public static Model.SGGLDB db = Funs.DB;
+        
 
         /// <summary>
         /// 添加附件存储信息
@@ -20,6 +20,7 @@ namespace BLL
         /// <param name="workArea"></param>
         public static void AddAttachFile(Model.AttachFile attachFile)
         {
+            Model.SGGLDB db = Funs.DB;
             string newKeyID = SQLHelper.GetNewID(typeof(Model.AttachFile));
             Model.AttachFile newAttachFile = new Model.AttachFile();
             newAttachFile.AttachFileId = newKeyID;
@@ -38,6 +39,7 @@ namespace BLL
         /// <param name="workArea"></param>
         public static void updateAttachFile(Model.AttachFile attachFile)
         {
+            Model.SGGLDB db = Funs.DB;
             Model.AttachFile newAttachFile = db.AttachFile.FirstOrDefault(x => x.AttachFileId == attachFile.AttachFileId);
             newAttachFile.ToKeyId = attachFile.ToKeyId;
             newAttachFile.AttachSource = attachFile.AttachSource;
@@ -53,6 +55,7 @@ namespace BLL
         /// <param name="workAreaId"></param>
         public static void DeleteAttachFile(string rootPath, string toKeyId, string menuId)
         {
+            Model.SGGLDB db = Funs.DB;
             Model.AttachFile att = db.AttachFile.FirstOrDefault(e => e.ToKeyId == toKeyId && e.MenuId == menuId);
             if (att != null)
             {

SGGL/BLL/Common/ProjectDataFlowSetService.cs

@@ -9,7 +9,7 @@
     /// </summary>
     public static class ProjectDataFlowSetService
     {
-        public static Model.SGGLDB db = Funs.DB;
+        
         /// <summary>
         /// 记录数
         /// </summary>
@@ -27,6 +27,7 @@
         /// <returns></returns>
         public static IEnumerable getListData(string dataId, int startRowIndex, int maximumRows)
         {
+            Model.SGGLDB db = Funs.DB;
             IQueryable<Model.View_ProjectData_FlowOperate> q = from x in db.View_ProjectData_FlowOperate
                                                                where x.DataId == dataId && x.IsClosed == true
                                                                orderby x.SortIndex descending
@@ -168,6 +169,7 @@
         /// </summary>
         public static void CloseFlowOperate(string menuId, string dataId, string opinion)
         {
+            Model.SGGLDB db = Funs.DB;
             var updateUnFlowOperate = db.ProjectData_FlowOperate.FirstOrDefault(x => x.MenuId == menuId && x.DataId == dataId && (x.IsClosed == false || !x.IsClosed.HasValue));
             if (updateUnFlowOperate != null)
             {
@@ -311,6 +313,7 @@
         /// <param name="dataId">主表主键Id</param>
         public static bool IsExitOperate(string menuId, string dataId)
         {
+            Model.SGGLDB db = Funs.DB;
             return (from x in db.ProjectData_FlowOperate
                     where x.MenuId == menuId && x.DataId == dataId
                     select x).Count() > 0;

SGGL/BLL/Common/WeatherService.cs

@@ -11,7 +11,7 @@ namespace BLL
     /// </summary>
     public class WeatherService
     {
-        public static Model.SGGLDB db = Funs.DB;
+        
 
         /// <summary>
         /// 根据主键获取事故类型