public bool Validate() { ErrorString = ""; if (description.Length != 0 && description.Trim(' ').Count() != 0 && MeasurementType.Length != 0 && MeasurementType.Trim(' ').Count() != 0 && MaxValue >= 0 && MaxValue >= 0 && MinValue >= 0 && MinValue >= 0 && NormalValue >= 0 && NormalValue >= 0) { double help1 = 0; double help2 = 0; double help3 = 0; double help4 = 0; double help5 = 0; try { } catch { return(false); } return(true); } else { return(false); } }