Thank you to solve so quickly my problem.
I have another "Specified cast is not valid" with ExecuteScalar for a request "SELECT COUNT(*)".
My code was :
return (int) BDD.ExecuteScalar("SELECT COUNT(*) FROM Jobs");
And I have to update it like this :
System.Decimal _dcount = (System.Decimal) BDD.ExecuteScalar("SELECT COUNT(*) FROM Feeds");
return (int) _dcount;
It is not very important, but perhaps it would be better to manage this in the provider ?
For this COUNT(*) SQL statement, SQLite returns a column type of NUMERIC, which SQLite.NET maps to Decimal. Since NUMERIC and DECIMAL are synonymous in SQL, this mapping is by design.
You should be able to shorten your statement a bit:
return (int) (Decimal) BDD.ExecuteScalar("SELECT COUNT(*) FROM Jobs");
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