WPF hinzugefügt

DataStoring.Contract/IRepository.cs

@@ -0,0 +1,21 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Linq.Expressions;
+using System.Text;
+
+namespace DataStoring.Contract
+{
+    public interface IRepository<TEntity> where TEntity : class 
+    {
+        IQueryable<TEntity> Query { get; }
+        void Insert(TEntity entity);
+        void Update(TEntity entity);
+        void Delete(int id);
+        IEnumerable<TEntity> Get(
+            Expression<Func<TEntity,bool>> filter = null,
+            Func<IQueryable<TEntity>, IOrderedQueryable<TEntity>> orderBy = null,
+            string includeProperties = "");
+        //TEntity GetObjectByID(object id);
+    }
+}