DotNetKicks.com - Stories tagged with ADO.NET

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Sat, 04 Jul 2009 09:15:38 GMT

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Sat, 04 Jul 2009 09:13:59 GMT

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Sat, 04 Jul 2009 09:12:14 GMT

VistaDB two day sale July 3-4, 2009

Fri, 03 Jul 2009 06:01:12 GMT

You want to the source code added on to your Small Business or Corporate account we are offering it for 50% off these same two days. Open a ticket with your information request and we will take care of you. Visit the online pricing page for more information.

Entity Framework support - Be there first, or getting it right?

Thu, 02 Jul 2009 23:00:01 GMT

An in depth look at the issues surrounding VistaDB publishing an EF provider, and why we may just skip it and wait until .Net 4 if Microsoft has changed the model significantly enough.

Entity Framework 4.0: What You May Be Missing

Thu, 25 Jun 2009 03:15:43 GMT

I have listed these articles in chronological order, oldest to newest, start from where you find interesting, or start at the top as it's the first article I could find where EF 4.0 was announced and always good to get that initial background.

The Only Pattern for Data Access is There Are No Patterns for Data Acc

Tue, 23 Jun 2009 04:03:31 GMT

Over the years of software development, one thing that has eluded most developers is Data Access. Yes, I mean writing code that accesses a database from your application. It is an age old problem since the days when data storage and computing were invented. We would have thought that by now we would have been able to come up with a clean universal pattern for data access such as the M-V-C pattern for User Interfaces or the Singleton pattern or the Factory pattern.

Oracle gets decorated by Microsoft... with an Obsolete Attribute

Tue, 23 Jun 2009 01:02:11 GMT

About a week ago Microsoft announced that the System.Data.OracleClient namespace will be deprecated in .Net 4.0. However the fact is that "deprecated" doesn't mean it will disappear completely anytime soon. In fact the official statement clearly states the following: Microsoft will continue to provide hotfixes for critical issues in System.Data.OracleClient as per the standard support policy for .Net Framework 4.0. We will also continue to make critical bug fixes in future service packs for .Net Framework 4.0. So it will probably hang around for another 8-10 years so your old application doesn't have to be updated for some time yet. But you probably don't want to write new .Net 4.0 applications with it. Instead you should probably search for third-party provi....

VistaDB 3.6 Alpha Released

Fri, 19 Jun 2009 18:47:34 GMT

VistaDB 3.6 includes a number of new features and changes. The first Alpha release has been done today. Only existing customers may download prerelease builds.

A Google-like Full Text Search

Fri, 19 Jun 2009 13:17:24 GMT

You can tap into the self-education that comes from countless hours spent at home trying to locate information on the Web and turn it to your advantage in your own SQL Server-based search applications. With just a little bit of code you can help reduce your training costs and give your users an easy to use interface that will make them want to use your search applications.

Why I would not use Stored Procedures, mattias-jakobsson.net

Thu, 18 Jun 2009 21:28:41 GMT

A very important task in just about any web application that you will build is data access. There is alot of opinions on how this is done the best way. You can use inline sql statements in your code, you can use stored procedures or you can generate your sql using a OR Mapper. From the developers that use sprocs you will ofter hear arguments about preformance and security, while you will here arguments about managable code from the OR/M fans. I think that, depending on your architecture, every bit of code has it´s own place and that different concerns shouldn´t be mixed up. That is why I choose to use a OR Mapper when I start a new web application.

Adventures while building a Silverlight Enterprise application #13

Thu, 18 Jun 2009 07:21:51 GMT

This article looks back at the technology decision of combining ADO.NET Entity Framework and Silverlight 2. It starts with the 'downside' and then punctuates the upside as well.

Microsoft deprecating Oracle client in Dot Net 4

Tue, 16 Jun 2009 23:30:00 GMT

Microsoft has announced through a blog that the ADO.NET 4 spec will mark the Oracle client as deprecated with plans for removal. They are also recommending that users go to a third party Oracle provider. Stop Helping the Competition? Wow, this will mark the first time an ADO.NET provider has been removed from the .Net framework. Is this a case of Microsoft trimming the fat, or pushing Oracle? I always thought it a bit of a free ride that Microsoft was helping Oracle by building their provider for them...

New Tracing and Caching Wrapper Providers for Entity Framework

Fri, 12 Jun 2009 06:30:37 GMT

Yesterday two new Entity Framework Wrapper Providers were added to MSDN Code Gallery. The new providers: EFTracingProvider - adds the ability to log SQL commands that are executed against the data storage EFCachingProvider - adds query results cache to Entity Framework

EF: Sorting EntitySets According to parent-child relatioahip

Thu, 11 Jun 2009 10:15:08 GMT

Entity Framework: Sorting EntitySets According to parent-child relationship using Context properties

Implementing Repository Pattern With Entity Framework

Thu, 11 Jun 2009 10:11:49 GMT

Implement Repository Pattern in data access layer with Entity Framework

Data Access Layer Design Considerations

Wed, 10 Jun 2009 04:08:07 GMT

To help ensure that data access in your application is optimized for performance, there are several issues that you must consider and a number of decisions that you must make at design time: * Design your data access layer based on how the data is used. * Cache data to avoid unnecessary work. * Connect by using service accounts. * Acquire late, release early.

Rapid Entity Framework - Choose simplicity over complexity

Tue, 09 Jun 2009 08:57:37 GMT

The Object Oriented Paradigm is shifting massively because coupling relational semantics into our fine grained object oriented programming designs is becoming unpopular in today's enterprise needs and domain engineering. Because of this reasons and many more, object oriented platforms is already taking a big quantum leap since the impedance mismatches between OOP and Relational has made programming against relational database an Herculean task for most development efforts.

Different operations on datatable (Add, Edit, delete, Sort etc) and X

Sat, 06 Jun 2009 07:37:20 GMT

Introduction DataTable is a central object in the ADO.NET library. If you are working with ADO.NET - accessing data from database, you can not escape from DataTable. Other objects that use DataTable are DataSet and DataView. In this tutorials, I will explain how to work with DataTable. I have

Delete duplicate rows from table

Sat, 06 Jun 2009 07:36:46 GMT

Suppose there is a table called "EmployeeTable" which have some duplicate records. There is a three way to delete the duplicate rows. First way to delete duplicate rows : Select distinct * into Emp_Temp_Table from EmployeeTable In the above line we are inserting all the distin

this row already belongs to another table

Sat, 06 Jun 2009 07:34:16 GMT

When copying a row from one datatable to another you might get the error "this row already belongs to another table". Typically you might write code like this: string sConnString = ConfigurationManager.ConnectionStrings["NorthwindConn"].ConnectionString; DataSe