data-access-layer

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Data access framework for delphi

Is there any framework or code generator for data access in Delphi based on laye开发者_如何学Pythonred architecture?Delphi has already Multi-Tier / Layered architecture available since early versions.[详细]

2023-02-28 13:05 分类：问答
Port Delphi 7 Data Access to C#

We have a client/server application written in Delphi 7 with a Firebird back end database.The code originally started out with a data access layer but quickly disintegrated to data access in forms and[详细]

2023-02-27 22:39 分类：问答
I'm unsure as to what is the set-in-stone way to access databases

I have quite a deal of experience programing with VB6, VB.NET, C# so on and have used ADO, then SubSonic and now I am learning nHibernate since most of the prospective jobs I can go for use nHibernate[详细]

2023-02-26 02:15 分类：问答
Static method in Data Access Layer

I have used a lot of static methods in Data Access Layer (DAL) like: public static DataTable GetClientNames()[详细]

2023-02-24 04:10 分类：问答
is this shared DbCommand object thread safe?

I don\'t see why I have to create a DbCommand object every time I need to call a stored procedure. So I\'m trying to come up with a way to do that. I have tested my code (see below). But I would like[详细]

2023-02-23 05:12 分类：问答
Is it OK to use manager classes as Singletons?

For each concrete class I have a Manager class. This class has methods like GetAll(), GetById(), Save, etc.[详细]

2023-02-22 02:20 分类：问答
What am I missing with the Respository Pattern? How do you use it in the real world?

Every example of the Repository Pattern I have seen deals with a very simple use case - one object type and the most basic CRUD operations. The Repository is then very often plugged straight into an M[详细]

2023-02-21 23:39 分类：问答
Using "LINQ to SQL" and "WCF Data Services" on top of Data Access Application Block

In my application, the entity database schema is created after application deployment based on inputs captured from end user, using a tool. I cannot use Entity Framework in this situation, since model[详细]

2023-02-21 06:05 分类：问答
Too Much Abstraction/Interfaces

I am in the process of designing my data access code, the data is going to be stored in RavenDB, and I am trying to see if my current design has too much abstraction with the number of interfaces I am[详细]

2023-02-21 02:05 分类：问答
ASP.NET 2.0 C# DAL Multiple Variable Parameters

I\'m developing a Web App designed to query a large database table based on the users selection of criteria.In some cases, they may know and enter the primary key, other times they might want to see r[详细]

2023-02-20 15:51 分类：问答