server/AyaNova/biz/DataFilterBiz.cs

@@ -134,6 +134,7 @@ namespace AyaNova.Biz
             if (!string.IsNullOrWhiteSpace(listKey))
             {
                 items = await ct.DataFilter
+                                .AsNoTracking()
                                 .Where(m => m.ListKey == listKey && (m.Public == true || m.OwnerId == UserId))
                                 .OrderBy(m => m.Name)
                                  .Select(m => new NameIdItem()

server/AyaNova/biz/LocaleBiz.cs

@@ -99,6 +99,7 @@ namespace AyaNova.Biz
         {
             List<NameIdItem> l = new List<NameIdItem>();
             l = await ct.Locale
+                   .AsNoTracking()
                    .OrderBy(m => m.Name)
                    .Select(m => new NameIdItem()
                    {

server/AyaNova/biz/UserBiz.cs

@@ -151,6 +151,7 @@ namespace AyaNova.Biz
             pagingOptions.Limit = pagingOptions.Limit ?? PagingOptions.DefaultLimit;
 
             var items = await ct.User
+                            .AsNoTracking()
                             .OrderBy(m => m.Id)
                             .Skip(pagingOptions.Offset.Value)
                             .Take(pagingOptions.Limit.Value)
@@ -183,6 +184,7 @@ namespace AyaNova.Biz
             if (!string.IsNullOrWhiteSpace(q))
             {
                 items = await ct.User
+                                .AsNoTracking()
                                 .Where(m => EF.Functions.ILike(m.Name, q))
                                 .OrderBy(m => m.Name)
                                 .Skip(pagingOptions.Offset.Value)
@@ -198,9 +200,10 @@ namespace AyaNova.Biz
             else
             {
                 items = await ct.User
-                           .OrderBy(m => m.Name)
-                           .Skip(pagingOptions.Offset.Value)
-                           .Take(pagingOptions.Limit.Value)
+                            .AsNoTracking()
+                            .OrderBy(m => m.Name)
+                            .Skip(pagingOptions.Offset.Value)
+                            .Take(pagingOptions.Limit.Value)
                             .Select(m => new NameIdItem()
                             {
                                 Id = m.Id,

server/AyaNova/biz/WidgetBiz.cs

@@ -228,6 +228,7 @@ namespace AyaNova.Biz
             if (!string.IsNullOrWhiteSpace(q))
             {
                 items = await ct.Widget
+                                .AsNoTracking()
                                 .Where(m => EF.Functions.ILike(m.Name, q))
                                 .OrderBy(m => m.Name)
                                 .Skip(pagingOptions.Offset.Value)
@@ -243,6 +244,7 @@ namespace AyaNova.Biz
             else
             {
                 items = await ct.Widget
+                            .AsNoTracking()
                            .OrderBy(m => m.Name)
                            .Skip(pagingOptions.Offset.Value)
                            .Take(pagingOptions.Limit.Value)