GetMD5

Encoding.UTF8.GetBytes(string.Format("{0}#{1}", "name", "pwd"))).ToUpper();

public static string GetMD5(byte[] bytes)
{
　　// Create a new instance of the MD5CryptoServiceProvider object.
　　System.Security.Cryptography.MD5 hasher = System.Security.Cryptography.MD5.Create();

　　// Convert the input string to a byte array and compute the hash.
　　byte[] data = hasher.ComputeHash(bytes);

　　// Create a new Stringbuilder to collect the bytes
　　// and create a string.
　　StringBuilder sBuilder = new StringBuilder();

　　// Loop through each byte of the hashed data
　　// and format each one as a hexadecimal string.
　　for (int i = 0; i < data.Length; i++)
　　{
　　　　sBuilder.Append(data[i].ToString("x2"));
　　}

　　// Return the hexadecimal string.
　　return sBuilder.ToString();
}