//string updateSql = $"update nozzle set fromtype='{FromType}',fromfloor={FromFloor},fromindex={FromIndex},ToType='{ToType}',tofloor={ToFloor},ToIndex={ToIndex},Status='{Status}' where NozzleIndex={NozzleIndex}";
stringupdateSql=$"update nozzle set Status='{Status}' where NozzleIndex={NozzleIndex}";
returndb.ExecuteNonQuery(updateSql)>0;
//string updateSql = $"update nozzle set Status='{Status}' where NozzleIndex={NozzleIndex}";