Question

I have used this query in sql management studio and it works, I have tried a shortened query without the and condition and it works, why is the and condition breaking the code?

string dbQuery = "update log_file set updated = @true where urn = @urn and companyid = @companyid";
cmd.Parameters.Add(new SqlParameter("@urn", SqlDbType.Int)).Value = urn;
cmd.Parameters.Add(new SqlParameter("@companyid", SqlDbType.Int)).Value = companyid;
cmd.Parameters.Add(new SqlParameter("@true", SqlDbType.Bit)).Value = 0;

cmd.CommandText = (dbQuery);
cmd.CommandType = CommandType.Text;
cmd.Connection = conn;
cmd.ExecuteNonQuery();

Answer 1

Replace with false for Bit type

cmd.Parameters.Add(new SqlParameter("@true", SqlDbType.Bit)).Value = false;

If you want use 0 as value, replace type parameter with Int