Entity Framework, Sql Server 2008 why you should use DateTime2

If you’re using Sql Server 2008 with Entity Framework and have a DateTime field you have no doubt come across this error when Inserting or Updating an Entity

System.Data.SqlClient.SqlException: The conversion of a datetime2 data type to a datetime data type resulted in an out-of-range value.

The problem here lies in the fact that the .NET DateTime.MinValue equals 0001-1-1 but the Sql Server DateTime only covers 1753-1-1 through 9999-12-31

The very simple solution is to use DateTime2 in Sql Server 2008 which covers 0001-1-1 through 9999-12-31.

DateTime2 has also has some other benefits.

ASP.NET MVC Release Candidate - Upgrade issues - Spec#

First of all, great news that the ASP.NET MVC Release Candidate has finally been released. Full credit to the team for the hard work on this. You can get the download here However this is the first time I have had upgrade issues. Phil Haack has noted some of the issues here If like me you have lot's of CTP's and Add-Ins then you might experience some pain in Uninstalling MVC Beta on Vista SP1 This is the list of Add-Ins / CTP's I had to uninstall to get it to work Spec# PEX Resharper 4.1 Sourcelinks ANTS Profiler 4 Can't say I'm too impressed as it wasted over an hour of my time. As it turned out Spec# turned out to be the offending culprit, it's forgiveable to have issues with a third party product but a Microsoft one? Guess no-one on the ASP.NET team has Spec# installed.

Freeing Disk Space on C:\ Windows Server 2008

I just spent the last little while trying to clear space on our servers in order to install .NET 4.5 . Decided to post so my future self can find the information when I next have to do this. I performed all the usual tasks: Deleting any files/folders from C:\windows\temp and C:\Users\%UserName%\AppData\Local\Temp Delete all EventViewer logs Save to another Disk if you want to keep them Remove any unused programs, e.g. Firefox Remove anything in C:\inetpub\logs Remove any file/folders C:\Windows\System32\LogFiles Remove any file/folders from C:\Users\%UserName%\Downloads Remove any file/folders able to be removed from C:\Users\%UserName%\Desktop Remove any file/folders able to be removed from C:\Users\%UserName%\My Documents Stop Windows Update service and remove all files/folders from C:\Windows\SoftwareDistribution Deleting an Event Logs Run COMPCLN.exe Move the Virtual Memory file to another disk However this wasn’t enough & I found the most space was

CPF Contribution Rates for new Singapore Permanent Residents (SPR’s)

Recently my wife and I applied and got approved for Singapore Permanent Residency. After completing the formalities the most significant immediate change is the contribution to CPF which is Singapore’s mandatory social security savings scheme requiring contributions from employers and employees. CPF contributions start from the date you obtain SPR status, which is the date of the entry permit. Being a relentless budgeter I needed to know exactly how much I and my employer would have to contribute so that I could adjust my budget accordingly as the employee contributions get deducted from the monthly salary. After doing some research I discovered that there is a “graduated” approach to CPF contributions for new SPR’s where the contributions gradually increase in the first and second year and then upon reaching the third year are at the full amount. Note: There is an option for employers to contribute the full amount for year 1 and year 2 and the employee can use the graduated ra

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