Fix CRUD notes

.NET/Database/EntityFramework.md

@@ -88,31 +88,10 @@ dotnet ef database update
 ### Create
 
 ```cs
-public static bool InsertOne(Entity entity)
-{
-    int rows = 0;
+context.Add(entity);
+context.AddRange(entities);
 
-    using(var context = new Context())
-    {
-        context.Add(entity);
-        context.SaveChanges();
-    }
-
-    return rows == 1;
-}
-
-public static bool InsertMany(IEnumerable<Entity> entities)
-{
-    int rows = 0;
-
-    using(var context = new Context())
-    {
-        context.AddRange(entities);
-        context.SaveChanges();
-    }
-
-    return rows == entities.Count();
-}
+context.SaveChanges();
 ```
 
 ### Read
@@ -120,83 +99,27 @@ public static bool InsertMany(IEnumerable<Entity> entities)
 [Referenced Object Not Loading Fix](https://stackoverflow.com/a/5385288)
 
 ```cs
-public static List<Entity> SelectAll()
-{
-    using(var context = new Context())
-    {
-        return context.Entities.ToList();
-    }
-}
+context.Entities.ToList();
+context.Entities.Find(id);
 
-static Entity SelectOneById(int id)
-{
-    using(var context = new Context())
-    {
-        return context.Entities.Find(id);
-
-        // force read of foreign key identifying referenced obj
-        return context.Entities.Include(c => c.ForeignObject).Find(id);
-
-    }
-}
+// force read of foreign key identifying referenced obj
+context.Entities.Include(c => c.ForeignObject).Find(id);
 ```
 
 ### Update
 
 ```cs
-public static bool UpdateOne(Entity entity)
-{
-    int rows = 0;
+context.Entities.Update(entity);
+context.UpdateRange(entities);
 
-    using(var context = new Context())
-    {
-        context.Entities.Update(entity);
-        context.SaveChanges();
-    }
-
-    return rows == 1;
-}
-
-public static bool UpdateMany(IEnumerable<Entity> entities)
-{
-    int rows = 0;
-
-    using(var context = new Context())
-    {
-        context.UpdateRange(entities);
-        context.SaveChanges();
-    }
-
-    return rows == entities.Count();
-}
+context.SaveChanges();
 ```
 
 ### Delete
 
 ```cs
-public static bool DeleteOne(Entity entity)
-{
-    int rows = 0;
+context.Entities.Remove(entity);
+context.RemoveRange(entities);
 
-    using(var context = new Context())
-    {
-        context.Entities.Remove(entity);
-        context.SaveChanges();
-    }
-
-    return rows == 1;
-}
-
-public static bool DeleteMany(IEnumerable<Entity> entities)
-{
-    int rows = 0;
-
-    using(var context = new Context())
-    {
-        context.RemoveRange(entities);
-        context.SaveChanges();
-    }
-
-    return rows == entities.Count();
-}
+context.SaveChanges();
 ```