--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Source/DataAccess/ISqlQueryT.cs	Thu Mar 27 21:46:09 2014 +0400
@@ -0,0 +1,47 @@
+using System.Collections.Generic;
+using BLToolkit.Data;
+
+namespace BLToolkit.DataAccess
+{
+    public interface ISqlQueryT<T>
+    {
+        T SelectByKey(DbManager db, params object[] keys);
+        T SelectByKey(params object[] keys);
+        List<T> SelectAll(DbManager db);
+
+        TL SelectAll<TL>(DbManager db, TL list)
+            where TL : IList<T>;
+
+        TL SelectAll<TL>(DbManager db)
+            where TL : IList<T>, new();
+
+        List<T> SelectAll();
+
+        TL SelectAll<TL>(TL list)
+            where TL : IList<T>;
+
+        TL SelectAll<TL>()
+            where TL : IList<T>, new();
+
+        int Insert(DbManager db, T obj);
+        int Insert(T obj);
+        int Insert(DbManager db, int maxBatchSize, IEnumerable<T> list);
+        int Insert(int maxBatchSize, IEnumerable<T> list);
+        int Insert(DbManager db, IEnumerable<T> list);
+        int Insert(IEnumerable<T> list);
+        int Update(DbManager db, T obj);
+        int Update(T obj);
+        int Update(DbManager db, int maxBatchSize, IEnumerable<T> list);
+        int Update(int maxBatchSize, IEnumerable<T> list);
+        int Update(DbManager db, IEnumerable<T> list);
+        int Update(IEnumerable<T> list);
+        int DeleteByKey(DbManager db, params object[] key);
+        int DeleteByKey(params object[] key);
+        int Delete(DbManager db, T obj);
+        int Delete(T obj);
+        int Delete(DbManager db, int maxBatchSize, IEnumerable<T> list);
+        int Delete(int maxBatchSize, IEnumerable<T> list);
+        int Delete(DbManager db, IEnumerable<T> list);
+        int Delete(IEnumerable<T> list);
+    }
+}
\ No newline at end of file