csharp: Double Convert To String

/// <summary>        ///         /// </summary>        /// <param name="fl"></param>        /// <returns></returns>        PRivate string ConvertFloatToString(float fl)        {            string str = string.Empty;            str = String.Format("{0:N2}", fl);            return str;        }        /// <summary>        /// 字符串轉double        /// </summary>        /// <param name="fl"></param>        /// <returns></returns>        private double ConvertStringToDouble(string fl)        {            double str = 0.00;            try            {                if (double.TryParse(fl, out str))//對就輸出正確數據                {                }                else                {                    MessageBox.Show("數據類型不對，請檢查一下！");                }            }            catch (Exception ex)            {                ex.Message.ToString();                str = 0.00;            }            return str;        }        /// <summary>        ///         /// </summary>        /// <param name="fl"></param>        /// <returns></returns>        private string ConvertDoubleToString(double fl)        {            string str = string.Empty;            try            {                str = string.Format("{0:C}", fl);            }            catch (Exception ex)            {                ex.Message.ToString();                str = "￥0.00";            }            return str;        }        /// <summary>        ///涂聚文 geovindu          /// </summary>        /// <param name="fl"></param>        /// <returns></returns>        private string ConvertDecimalToString(decimal fl)        {            string str = string.Empty;            try            {                if (fl > 0)                {                    str = string.Format("￥{0:N2}", fl);                }                else                {                    str = "￥0.00";                }            }            catch (Exception ex)            {                ex.Message.ToString();                str = "￥0.00";            }            return str;        }

打印格式:

            StringFormat format = new StringFormat(); //對齊方式StringFormatFlags.DirectionRightToLeft  //:靠右對齊 涂聚文注            format.FormatFlags = StringFormatFlags.DirectionRightToLeft;            format.Trimming = StringTrimming.Word;            format.Alignment =StringAlignment.Near;            StringFormat formatc = new StringFormat(); //DisplayFormatControl StringFormatFlags.MeasureTrailingSpaces  //負數的格式:靠右對齊            formatc.Trimming = StringTrimming.Word;            formatc.Alignment = StringAlignment.Far;            formatc.FormatFlags = StringFormatFlags.NoWrap | StringFormatFlags.LineLimit | StringFormatFlags.NoClip;