DotNetKicks.com - Stories tagged with Database

EF 4.1+ POCO, Repository and Specification Pattern Framework

Tue, 22 May 2012 13:49:15 GMT

I've been playing around with Code First EF implementations for awhile now and by far the best implementation I've seen is a framework by Huy Rua. It has the following functionality baked in: True Separation of Concerns for entities (no need for a data annotations dependency). A Generic Repository. This should do the trick for 80% of your standard CRUD operations without the need for repo's per entity. Supports multiple DbContext's and builds them dynamically. And finally a straightforward Specification pattern implementation. I use it as a base data layer for all my projects.

Painless database logging with mongoDB

Sun, 20 May 2012 15:20:50 GMT

While browsing the source code of the ELMAH mongoDB provider, I learned about a special type of collections: capped collections. Logging to the database can be extremely useful, but also rather expensive. Using this feature, you can turn on database logging without too many worries.

EF5 Release Candidate Now Available

Wed, 16 May 2012 14:09:23 GMT

The release candidate for Entity Framework 5.0 is now available on Codeplex. There have been several new improvements since beta 2.

Code !t: Choosing the cloud for your database

Mon, 14 May 2012 16:43:54 GMT

You will find some tips and advices on how to choose your cloud provider for storing the database

Linq to Asp.net controls

Sun, 13 May 2012 14:39:51 GMT

Query on controls of page through linq

Custom Paging using: EntityFramework 4.1, ObjectDataSource, and ListVi

Fri, 11 May 2012 16:59:15 GMT

What is custom paging? Say if you have a 1,000 records inside of a database, and you want to display 10 records at a time. Conventional paging would require you to fetch all and have your website or web application handle the paging. As we all know, this can get pretty expensive with the records travelling from the database to your website or web application.

Database-first development pattern using Entity Framework 4.1 and SQL

Wed, 09 May 2012 01:47:11 GMT

Modern-day development is becoming increasingly easy. In this article, we will walk you through creating a data-driven website by using some of the newest tools provided by Microsoft ®. You will see just how easy this can be. We will be creating a three tier application that will display a list of users using Microsoft's new ListView control.

Persisting Enumeration Classes with nHibernate

Wed, 02 May 2012 00:41:24 GMT

Jimmy Bogard shares an example of persisting enumeration classes to the database, and reading them back out with the correct representation.

Tackling timeouts

Thu, 26 Apr 2012 13:56:08 GMT

A brief how-to of how to cope with SQL timeouts.

Copy Table Data And Schema From One DataBase To Another In SQL Server

Tue, 24 Apr 2012 08:49:31 GMT

Several Times We need to Copy Table Schema And Data From One DataBase to Another In Sql ServerWe can do it in following ways.

SQL Server Transaction Savepoints

Mon, 23 Apr 2012 14:58:05 GMT

Sometimes Transact-SQL (T-SQL) scripts require the ability to roll back some parts of a transaction whilst allowing other elements of a process to be committed to the database normally. This can be achieved with the use of transaction savepoints.

Which ORM tool is the Best for .NET?

Fri, 20 Apr 2012 08:40:35 GMT

Check out the results from Pluralsight's poll asking their users which is the best best Object-relational mapping tool for .NET.

Open DBDiff for SQL Server 2008

Thu, 19 Apr 2012 14:09:11 GMT

Last few weeks , i have been playing around with this cool tool called Open DBDiff . As the name suggests Open DBDiff

Execute TSQL statement with ExecuteStoreQuery in entity framework 4.0

Sat, 07 Apr 2012 08:46:11 GMT

I was playing with entity framework in recent days and I was searching something that how we can execute TSQL statement in entity framework. And I have found one great way to do that with entity framework 'ExecuteStoreQuery' method. It's executes a TSQL statement against data source given enity framework context and returns strongly typed result.

Attached failed, Unable to open physical file, operating system error

Tue, 03 Apr 2012 10:48:40 GMT

Whenever user try to attache the database files, he might get this error Attached failed, Unable to open physical file, operating system error

Bulk Insert in .NET applications, part 1

Sun, 25 Mar 2012 21:05:10 GMT

This is the first of a 2 series articles about how to perform bulk inserts in your .NET applications, using a SQL Server database. In this article I'll show how to create a wrapper object for SqlBulkCopy that can do a bulk insert for a collection of objects. In the second article I'll show how that wrapper can be easily integrated with Entity Framework (creating extension methods for DbContext and ObjectContext).

Do you want a simple type mapping / conversions in Entity Framework?

Sun, 04 Mar 2012 17:31:07 GMT

The article describes a highly missing feature in Entity Framework - a simple type mapping or conversions and links related feature suggestion from Data UserVoice.

Entity Framework 4.3 migration and an existing database

Thu, 01 Mar 2012 23:37:11 GMT

The article describes how to add code first migrations to an application with an existing database and how to use a new feature in EF 4.3.1 when adding initial migration.

How To Use SQL IN Statement to Select Data Having All Specified Values

Sun, 26 Feb 2012 12:00:34 GMT

Learn How to write SQL Where.. IN query to select data which has all values specified in IN condition.

Implement Audit Trail Quickly for Microsoft SQL Server

Sat, 25 Feb 2012 17:19:19 GMT

It explains how to implement an audit trail quickly by creating shadow table for each table in database and triggers to log every time when a record is inserted, updated or deleted in the table.

Telerik OpenAccess ORM Q1 2012 - Batch Operations

Fri, 24 Feb 2012 08:35:44 GMT

In previous versions of OpenAccess ORM, configuring large data models could be a bit cumbersome. However, I am happy to say that in Q1 2012 we are adding a new batch operation dialog, which makes configuring data models easier than ever!

A DynamicData Attribute Based Permission Solution using User Roles

Thu, 23 Feb 2012 16:42:15 GMT

Dynamic Data Attribute Based Permission Solution using User Roles

Good Devs Don't Like Magic

Tue, 21 Feb 2012 20:20:47 GMT

Solutions of the "magical" variety go out of their way to hide (obfuscate?) the underlying implementation. They present the developer with a Faustian bargain: I'll make it easy for you to get things done so long as you don't question how I work.

Telerik OpenAccess ORM - ASP.NET Web Forms Video Tutorials

Mon, 13 Feb 2012 14:14:21 GMT

Besides the currently trending MVC framework, the traditional Web Forms are widely used for web applications development, so probably many of you are already familiar with them. OpenAccess ORM is an excellent choice for your Data Access Layer in such situation, as it is easy to integrate in just a few steps. ...

EF 4.3 Code-Based Migrations

Fri, 10 Feb 2012 17:26:34 GMT

Entity Framework 4.3 has been released, and the big new feature is migrations for code-first projects. This article is a walkthrough of how to take advantage of the new migration support.