Cannot use Dataset Designer

[Ian Semmel]

While making changes to my database etc, something stuffed up and when I try to
use dataset designer I get the message

Failed to load dataset because of the following error

'Unable to find connection 'QfrsConnectionString (Settings)1' for object
'Settings'. The connection string could not be found in application settings, or
the data provider associated with the connection string could not be found.

The program still runs ok and the dataset.Designer.cs file is still there.

I don't want to remove and re-add the data source because you lose all the sql
stuff you have added.

 

[Ian Semmel]

Well, what had happened was that there were two lines in the .xsd file with the
connection string.

I deleted one of them and it seemed to work.