獲取父頁面URL的參數對應值及左對齊字符

        /**////  <summary>
        /// 返回包含中文字符的字符串長度。
        /// C# 的string.Length中中文字只做1位統計,所以要將其轉換爲2位
        /// </summary>       
        /// <param name="strSource">要統計長度的字符串變量</param>
        /// <returns>字符串長度</returns>
        public static int GetLength(string strSource)
        ...{
            return Encoding.GetEncoding("GB2312").GetBytes(strSource).Length;
        }  
        /**//// <summary>
        /// 左對齊字符串
        /// <remarks>
        /// 如原始字符串不滿足參數<paramref name="length"/>指定的長度則在<paramref name="objectString"/>指定的原始字符串後補'~'
        /// </remarks>
        /// </summary>
        /// <param name="objectString">原始字符串</param>
        /// <param name="length">左對齊後的字符串長度</param>
        /// <returns>左對齊後的字符串</returns>
        /// <example>
        /// 如調用方式爲PadRightString("123",5);
        /// 則返回值爲"123~~"
        /// </example>
        /// <exception cref="InvalidTelegraphStringLengthException">
        /// 當參數<paramref name="objectString"/>的長度超出參數<paramref name="length"/>指定的值時拋出
        /// </exception>
        public static string PadRightString(string objectString, int length)
        ...{
            //原始字符串長度，中文字符按2位計
            int objectStringLength = GetLength(objectString);
            if (objectString == null || objectStringLength > length)
            ...{
                throw new InvalidTelegraphStringLengthException();
            }
            else
            ...{
                //需自動填充的長度
                int suffixLength = length - objectStringLength;
                string sunffix = string.Empty;
                //不足位數補"~"
                for (int i = 0; i < suffixLength; i++)
                ...{
                    sunffix += "~";
                }
                return objectString + sunffix;
            }
        } 
    /**//// <summary>
    /// 獲取父頁面URL的參數對應值
    /// </summary>
    /// <returns></returns>
    protected Dictionary<string, string> GetParentQueryString()
    ...{
        Dictionary<string, string> dic = new Dictionary<string, string>();
        string strParams = Request.UrlReferrer.Query;
        if (!string.IsNullOrEmpty(strParams))
        ...{
            string[] queryParams = strParams.Substring(1).Split(new char[] ...{ '&' });
            for (int i = 0; i < queryParams.Length; i++)
            ...{
                dic.Add(queryParams[i].Split(new char[] ...{ '=' })[0], queryParams[i].Split(new char[] ...{ '=' })[1]);
            }            
        }
        return dic;
    }