Usually such problems in our examples are connected to configuration issues with our connection string. In your
installation directory for RadControls for WPF (presumably C:\Program
Files\Telerik\RadControls for WPF Q2 2008) you will find the folder
Examples.CS (or Examples.VB, if you prefer). In that folder, you will
find a file named "Telerik.Windows.Examples.exe.config" (or
First, you are advised to backup this file, and then configure the
connection string contained within. Most probably, you will need only
to change the Data Source property: we set it to point to SQLEXPRESS,
and you should set it to the name of your SQL server instance. The
sample Northwind database we use should be automatically attached (it
is located in the \DataSources folder).
Please, do not hesitate to contact us again if you encounter any further problems.
All the best,
the Telerik team
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