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Regarding connection error

munir tailor

6y841LINQ

this error shows in my winform application

3 Replies

Know the answer? Post it — somebody with the same question will find it here.

Navaneeth Krishnan6y ago
https://stackoverflow.com/questions/2475008/mssql-error-the-underlying-provider-failed-on-open
Varun Setia6y ago
Hi,

If connection string is correct then issue might be server is not running.
Laxmidhar Sahoo6y ago
hi

May your connection string is incorrect .If using wizard ,then please care when input the server details

Thanks and regards