added sortings.

PoweredSoft.DynamicLinq/Extensions/QueryableExtensions.cs

@@ -2,6 +2,7 @@
 using PoweredSoft.DynamicLinq.Helpers;
 using System;
 using System.Collections.Generic;
+using System.Data.SqlClient;
 using System.Linq;
 using System.Linq.Expressions;
 using System.Text;
@@ -18,6 +19,8 @@ namespace PoweredSoft.DynamicLinq.Extensions
             return query;
         }
         
+     
+
         public static IQueryable<T> Query<T> (this IQueryable<T> query, Action<QueryBuilder<T>> callback)
         {
             var queryBuilder = new QueryBuilder<T>(query);
@@ -25,5 +28,45 @@ namespace PoweredSoft.DynamicLinq.Extensions
             var ret = queryBuilder.Build();
             return ret;
         }
+
+        public static IQueryable<T> Sort<T>(this IQueryable<T> query, string path, SortOrder sortOrder, bool appendSort)
+        {
+            var qb = new QueryBuilder<T>(query);
+            qb.Sort(path, sortOrder, appendSort);
+            var ret = qb.Build();
+            return ret;
+        }
+
+        public static IQueryable<T> OrderBy<T>(this IQueryable<T> query, string path)
+        {
+            var qb = new QueryBuilder<T>(query);
+            qb.OrderBy(path);
+            var ret = qb.Build();
+            return ret;
+        }
+
+        public static IQueryable<T> OrderByDescending<T>(this IQueryable<T> query, string path)
+        {
+            var qb = new QueryBuilder<T>(query);
+            qb.OrderByDescending(path);
+            var ret = qb.Build();
+            return ret;
+        }
+
+        public static IQueryable<T> ThenBy<T>(this IQueryable<T> query, string path)
+        {
+            var qb = new QueryBuilder<T>(query);
+            qb.ThenBy(path);
+            var ret = qb.Build();
+            return ret;
+        }
+
+        public static IQueryable<T> ThenByDescending<T>(this IQueryable<T> query, string path)
+        {
+            var qb = new QueryBuilder<T>(query);
+            qb.ThenByDescending(path);
+            var ret = qb.Build();
+            return ret;
+        }
     }
 }