Archives for Software Dev - Page 43
Converting a normal collection to IEnumerable
Suppose you are stuck with a namevaluecollection – it is not of type IQueryable or IEnumerable. So – none of your LINQ queries will work on it. Convert it to…
MetadataException: Unable to load the specified metadata resource
When you move your data layer to another project or another folder - you may encounter the following exception MetadataException: Unable to load the specified metadata resource The Solution: The…
MVC apps–set as start page
Of course, MVC does not have the concept of a web page – it is more a web view. The view cannot be accessed directly (unlike a page) – and…
Disaster recovery levels–two important questions
Some questions to consider while deciding on the DR level (disaster recovery level) for your app: Is it a life-death situation app? EMS first responder app, CDC outbreak notification…
Configuring an authentication header in fiddler
Fiddler - Authentication header Click Rules > Customize Inside the OnBeforeRequest handler, = "domain\\user:password";
Insert documents in Outlook Body
For some reason, I prefer the inserts to be in the body as opposed to attachments. They are easier to get to (by the recipient) and they can be placed…
LINQ–search for items in a list that are present in another list
Suppose you have a list of strings – a nursery rhyme may be a good ; And you need to find ALL the words that match from another list of…
Prevent URI (XSS) rewrites in asp.net
The method is well suited to check for any malformed URLs. It can be used to validate the address and the entire query newUrl = ; if (!(newUrl, )) {…
Update EDMX model with database changes
Open the EDMX file within Visual Studio – use an Open With command from the right click menu Open With -> Entity Data Model Designer Right click on the designer…
Data Security in SQL Server (and other databases)
If you have sensitive data ( HIPAA data), you need to consider both encryption as well as SALTING of your data at the database level. Encryption Prior to 2008, SQL…