Browse by Tags

All Tags » .net » linq (RSS)
Thursday, October 30, 2008 1:27 AM

Linq to SQL: Delete an entity using Primary Key only

Linq to Sql does not come with a function like .Delete(ID) which allows you to delete an entity using it’s primary key. You have to first get the object that you want to delete and then call .DeleteOnSubmit(obj) to queue it for delete. Then you...
Posted by omar | 12 comment(s)
Filed under: , ,
Monday, October 27, 2008 2:31 PM

Solving common problems with Compiled Queries in Linq to Sql for high demand ASP.NET websites

If you are using Linq to SQL, instead of writing regular Linq Queries, you should be using Compiled Queries . if you are building an ASP.NET web application that’s going to get thousands of hits per hour, the execution overhead of Linq queries is...
Posted by omar | 8 comment(s)
Filed under: , ,
Sunday, January 13, 2008 8:23 PM

My first book - Building a Web 2.0 Portal with ASP.NET 3.5

My first book " Building a Web 2.0 Portal with ASP.NET 3.5 " from O'Reilly is published and available in the stores. This book explains in detail the architecture design, development, test, deployment, performance and scalability challenges...
Posted by omar | 42 comment(s)
Filed under: , , , , , , , ,
Saturday, December 08, 2007 12:59 PM

Linq to SQL: How to Attach object to a different data context

After upgrading to Visual Studio 2008 RTM, you will have trouble updating Linq to SQL Classes which are read from one data context and then updated into another data context. You will get this exception during update: System.NotSupportedException: An...
Posted by omar | 35 comment(s)
Filed under: ,