diff --git a/src/aspnet-core/ICS.Common/Extension/LinqExpressionExt.cs b/src/aspnet-core/ICS.Common/Extension/LinqExpressionExt.cs
index b3df7548..9e833d67 100644
--- a/src/aspnet-core/ICS.Common/Extension/LinqExpressionExt.cs
+++ b/src/aspnet-core/ICS.Common/Extension/LinqExpressionExt.cs
@@ -20,59 +20,57 @@ namespace ICS.Common.Extension
             Expression<Func<T, bool>> condition = null;
             try
             {
-                if (filterConditionList != null && filterConditionList.Count > 0)
+                foreach (FilterModel filterCondition in filterConditionList)
                 {
-                    foreach (FilterModel filterCondition in filterConditionList)
+                    if (string.IsNullOrEmpty(filterCondition.ColumnAction))
                     {
-                        if (string.IsNullOrEmpty(filterCondition.ColumnAction))
+                        continue;
+                    }
+                    if (filterCondition.ColumnDataType != ConfigColumnDataType.type_string.ToString())
+                    {
+                        if (string.IsNullOrEmpty(filterCondition.ColumnValue))
                         {
                             continue;
                         }
-                        if (filterCondition.ColumnDataType != ConfigColumnDataType.type_string.ToString())
+                    }
+                    else
+                    {
+                        if (ConfigColumnAction.Contains.ToString().Equals(filterCondition.ColumnAction)
+                            || ConfigColumnAction.NotContains.ToString().Equals(filterCondition.ColumnAction))
                         {
                             if (string.IsNullOrEmpty(filterCondition.ColumnValue))
                             {
                                 continue;
                             }
                         }
-                        else
+                    }
+                    Expression<Func<T, bool>> tempCondition = CreateLambda<T>(filterCondition);
+                    if (condition == null)
+                    {
+                        condition = tempCondition;
+                    }
+                    else
+                    {
+                        if (tempCondition == null)
                         {
-                            if (ConfigColumnAction.Contains.ToString().Equals(filterCondition.ColumnAction)
-                                || ConfigColumnAction.NotContains.ToString().Equals(filterCondition.ColumnAction))
-                            {
-                                if (string.IsNullOrEmpty(filterCondition.ColumnValue))
-                                {
-                                    continue;
-                                }
-                            }
+                            continue;
+                        }
+                        if (ConfigColumnLogic.AND.ToString().Equals(filterCondition.ColumnLogic))
+                        {
+
+                            condition = condition.And(tempCondition);
                         }
-                        Expression<Func<T, bool>> tempCondition = CreateLambda<T>(filterCondition);
-                        if (condition == null)
+                        else if (ConfigColumnLogic.OR.ToString().Equals(filterCondition.ColumnLogic))
                         {
-                            condition = tempCondition;
+                            condition = condition.Or(tempCondition);
                         }
                         else
                         {
-                            if (tempCondition == null)
-                            {
-                                continue;
-                            }
-                            if (ConfigColumnLogic.AND.ToString().Equals(filterCondition.ColumnLogic))
-                            {
 
-                                condition = condition.And(tempCondition);
-                            }
-                            else if (ConfigColumnLogic.OR.ToString().Equals(filterCondition.ColumnLogic))
-                            {
-                                condition = condition.Or(tempCondition);
-                            }
-                            else
-                            {
-
-                            }
                         }
                     }
                 }
+
             }
             catch (Exception ex)
             {
@@ -167,7 +165,7 @@ namespace ICS.Common.Extension
             else if (ConfigColumnAction.LessThanOrEqual.ToString().Equals(filterCondition.ColumnAction))
             {
                 if (ConfigColumnDataType.type_int.ToString() == filterCondition.ColumnDataType
-                  || ConfigColumnDataType.type_decimal.ToString() == filterCondition.ColumnDataType 
+                  || ConfigColumnDataType.type_decimal.ToString() == filterCondition.ColumnDataType
                   || ConfigColumnDataType.type_datetime.ToString() == filterCondition.ColumnDataType)
                     return Expression.Lambda<Func<T, bool>>(Expression.LessThanOrEqual(member, constant), parameter);
                 else