得到一组随机的字符

    /**//// <summary>
        /// 得到随机的字符
        /// </summary>
        /// <param name="count"></param>
        /// <param name="minChar"></param>
        /// <returns></returns>
        private    Char[] GetRandomChar(int count,char minChar )
        ...{
            char[] array = new char[count];             


            System.Random    random    =    new Random();
            for (int i = 0; i < array.Length; i++)
            ...{
                array[i] = '@';  
            }

            for(int i = 0; i < count; i++)
            ...{
                int found = 0;
                
                int index    =    random.Next(count);
                int j;

                for(j = index; j < count; j++)
                ...{
                    if(    array[j] == '@')
                    ...{
                        array[j] =    Convert.ToChar    ( Convert.ToInt32(minChar)        +i    );
                        found = 1;
                        break;
                    }
                }
                for(j = 0; found == 0 && j < count; j++)
                ...{
                    if(    array[j] == '@')
                    ...{
                        array[j] =  Convert.ToChar    ( Convert.ToInt32(minChar)        +i    );
                        break;
                    }
                }
            }

            return array;
        }