c# AscII码转字符函数

 

public static string Chr(int asciiCode)
    {
        if (asciiCode >= 0 && asciiCode <= 255)
        {
            System.Text.ASCIIEncoding asciiEncoding = new System.Text.ASCIIEncoding();
            byte[] byteArray = new byte[] { (byte)asciiCode };
            string strCharacter = asciiEncoding.GetString(byteArray);
            return (strCharacter);
        }
        else
        {
            throw new Exception("ASCII Code is not valid.");
        }
    }