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I have always included the at sign in the parameter name when using AddWithValue, but I just noticed some code written by someone else that doesn’t use it. Is one way more correct than the other?
cmd.Parameters.AddWithValue("ixCustomer", ixCustomer);
or
cmd.Parameters.AddWithValue("@ixCustomer", ixCustomer);
No, both are equivalent in the end. I personally tend to use the notation with the
@sign myself, to be consistent with the T-SQL code for stored proc I write.But as far as I know, both methods are fine for .NET apps interfacing with SQL Server.