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Explained: EF 6 and “Could not determine storage version; a valid storage connection or a version hint is required.” by Ken Cox [MVP]

I have a legacy ASP.NET 3.5 web site that I’ve upgraded to a .NET 4 web application. At the same time, I upgraded to Entity Framework 6. Suddenly one of the pages returned the following error: [ArgumentException: Could not determine storage version; a...

A Small World in ASP.NET–NimblePros Acquired by Telerik by Ken Cox [MVP]

A few weeks ago, fellow ASPInsider Steve Smith of NimblePros passed a client to me. It’s a part-time “tweaks and maintenance” gig for a small startup. I was quite happy to take this on. I’m mostly retired and no longer work fulltime but still want to...

Extracting the Date from a DateTime in Entity Framework 4 and LINQ by Ken Cox [MVP]

In my current ASP.NET 4 project, I’m displaying dates in a GridDateTimeColumn of Telerik’s ASP.NET Radgrid control. I don’t care about the time stuff, so my DataFormatString shows only the date bits: <telerik:GridDateTimeColumn FilterControlWidth=...

Fixing EntityDataSourceWrapper Error in EF (VB Version) by Ken Cox [MVP]

I lost a lot of time today on this error: ‘EntityDataSourceWrapper' does not contain a property with the name …' The project is ASP.NET 3.5 using Entity Framework and VB. I’m using the Telerik RadControls for ASP.NET AJAX (a sweet suite!). In my app,...
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