public int?ReadNullInt32(this OraclaDataReader dbReader, string columnName)
 {
     return(dbReader.IsDBNull(columnName) ? null : (int?)dbReader[columnName]);
 }
 public static T Read <T>(this OraclaDataReader dbReader, string columnName)
 {
     return(dbReader.IsDBNull(columnName) ? default(T) : (T)dbReader[columnName]);
 }