Jason N. Gaylord's Blog : SQL Server

Technology Related Links for May 13th

Jason N. Gaylord's Blog — Wed, 13 May 2009 21:07:01 GMT

If you are looking to follow this series, be sure to subscribe to my RSS feed at http://feeds.jasongaylord.com/JasonNGaylord or my Twitter account at http://twitter.com/jgaylord . This series can be followed by using the Hot Links tag. Series Post #12...(read more)

Installing Team Foundation Server 2008 on SQL Server 2008

Jason N. Gaylord's Blog — Wed, 24 Sep 2008 19:11:31 GMT

One of the prerequisites for TFS 2008 is that it must be installed to work with SQL Server 2005 SP2 or SQL Server 2008. However, TFS 2008, by itself, will not work with SQL Server 2008. You’ll receive an error message that your SQL Server instance is...(read more)

Use LINQ to XML to Generate Excel Documents

Jason N. Gaylord's Blog — Mon, 11 Aug 2008 19:01:25 GMT

I was looking for a quick and easy solution to export data from SQL into an Excel format from within my ASP.NET application. I came across a great video posted by Beth Massi on the asp.net website (Video #7 at the bottom at http://www.asp.net/learn/linq...(read more)

Microsoft Releases SQL Server 2008

Jason N. Gaylord's Blog — Wed, 06 Aug 2008 19:54:45 GMT

SQL Server 2008 has been released to manufacturing (RTM'd) today. For more information about this release, be sure to visit Microsoft's press release at http://www.microsoft.com/presspass/press/2008/aug08/08-06SQLServer2008PR.mspx . Read More...(read more)

Using the LINQ Keyword "First"

Jason N. Gaylord's Blog — Tue, 08 Jul 2008 18:42:51 GMT

All day I was stumped on why there wasn't a simple way to grab the first object in a sequence other than using: .Take(1).Single Then I discovered the keyword First. I'm still a little puzzled as to why .Single would throw an exception if more...(read more)

LINQ to SQL and MS Small Business Server 2008 Talks at .NET Valley

Jason N. Gaylord's Blog — Fri, 13 Jun 2008 17:20:57 GMT

The next .NET Valley User Group event will be on June 18th at Scranton University in Scranton, Pennsylvania. There will be two talks that evening. The first will begin at 6pm and will be presented by Michael Murphy. Michael will talk about the ins and...(read more)

Performance Tip: Return Only Necessary Columns Using LINQ

Jason N. Gaylord's Blog — Wed, 11 Jun 2008 02:30:37 GMT

I was running into an issue where one of my webmethods was taking a large amount of time to return a small set (5-10 objects). I was using LINQ to SQL. I noticed that the LINQ to SQL query was returning all of the rows. After looking into the table a...(read more)

A circular reference was detected while serializing an object of type 'XXX'

Jason N. Gaylord's Blog — Mon, 09 Jun 2008 20:43:58 GMT

I ran into an issue earlier when trying to return an entity class through a web service for use in an AJAX page. After some quick research, I came across a post by Darren Neimke that referenced Rick Strahl's post about LINQ to SQL and Serialization...(read more)

Retrieving SQL Type Image Using LINQ

Jason N. Gaylord's Blog — Wed, 28 May 2008 03:23:33 GMT

LINQ views the Image type in SQL Server as Binary. So, there are a few options that we have. We can either (a) modify our LINQ to SQL class and change the property to Byte() instead of Binary or we can (b) convert the Binary to an array. To do the latter...(read more)

SQL Management Studio Shows All Databases

Jason N. Gaylord's Blog — Wed, 21 May 2008 20:35:43 GMT

This has "bugged" me for awhile. When you log into any version of SQL (2000, 2005, and even 2008) as a user with restricted access to just a single database (or even a few databases), you can still see a complete list of all the databases on...(read more)

Using "Like" in LINQ to SQL

Jason N. Gaylord's Blog — Wed, 21 May 2008 15:37:02 GMT

I've recently discovered that LINQ and VB can be confusing. I was attempting to pull the top 10 rows of a table where the column started with 'W'. You'd think after I typed that, I'd figure out the solution. That's not the case...(read more)

Using LINQ to SQL and ConnectionStrings in a Class Library

Jason N. Gaylord's Blog — Tue, 20 May 2008 18:22:49 GMT

I was looking to separate my LINQ to SQL data layer from the rest of my application. So, I decided to move the files to a class library. This way, when my application builds, all of my LINQ files are found in MyApp.DL or something similar. However, I...(read more)

Obtain the Identity of a New Row Using LINQ

Jason N. Gaylord's Blog — Tue, 20 May 2008 18:05:31 GMT

It's actually pretty easy and user friendly to obtain the value of the identity column using LINQ. After you create your object and insert it on submit, you can call the identity column's property on your object. For instance: Dim db As New BlogDataContext...(read more)

Bad SQL Mistake For One Forum Goer

Jason N. Gaylord's Blog — Mon, 05 May 2008 15:52:29 GMT

This isn't funny, but it is. It should be a daily WTF. Wally just sent me this forum post where someone deleted a little more than anticipated. It sounds like this guy can be in quite a lot of trouble... http://forums.microsoft.com/MSDN/ShowPost.aspx...(read more)

Aggregate Functions in LINQ

Jason N. Gaylord's Blog — Thu, 01 May 2008 15:17:17 GMT

I found a great post which summarizes aggregate functions in LINQ. It includes examples for Average, Sum, and Count. Check it out at http://www.dev102.com/2008/04/16/how-to-use-aggregate-functions-with-linq-to-sql/ . As always, you can test your functions...(read more)

Generate a PDF behind the scenes using SQL Reporting Services

Jason N. Gaylord's Blog — Tue, 19 Jun 2007 10:27:00 GMT

I came across this really cool demonstration and article by Simon Pang earlier today. I asked around awhile ago for a solution where I could create a PDF on the fly using SQL Reporting Services. Cool enough, he came up with a solution. Check out his article...(read more)