Sql Executenonquery Connection Property Has RiTw70MENgk

Web Reference: The data adapter (or SqlCommand) needs exactly what the error message tells you it's missing: an active connection. Just because you created a connection object does not magically tell C# that it is the one you want to use (especially if you haven't opened the connection). Although the ExecuteNonQuery () returns no rows, any output parameters or return values mapped to parameters are populated with data. For UPDATE, INSERT, and DELETE statements, the return value is the number of rows affected by the command. For all other types of statements, the return value is -1. The "Connection property has not been initialized" error in C# is typically caused when you try to execute a query on a database without first initializing a connection to the database.

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