Encrpted and Decrypted password

An unhandled exception of type 'System.Security.Cryptography.CryptographicException' occurred in System.Core.dll

Additional information: The input data is not a complete block.

private void btnlogin_Click(object sender, EventArgs e)
        {
            Encrypt(tbpwd.Text);//calling an encrypted method
            Decrypt(tbpwd.Text);//calling an decrypted method
            SqlConnection cn = new SqlConnection("data source=AP134;initial catalog=Agilepoint;integrated security=sspi");
            string qry = "insert into Logininfo(email,password) values('" + tbemail.Text + "','" + tbpwd.Text + "')";
            SqlCommand cmd = new SqlCommand(qry, cn);
            cn.Open();
            cmd.ExecuteNonQuery();
            cn.Close();
            
        }
               private string Encrypt(string password)
        {
            string EncryptionKey = "GDTDJJW765946HN";
            byte[] clearBytes = Encoding.Unicode.GetBytes(password);
            using (Aes encryptor = Aes.Create())
            {
                Rfc2898DeriveBytes pdb = new Rfc2898DeriveBytes(EncryptionKey, new byte[] { 0x49, 0x76, 0x61, 0x6e, 0x20, 0x4d, 0x65, 0x64, 0x76, 0x65, 0x64, 0x65, 0x76 });
                encryptor.Key = pdb.GetBytes(32);
                encryptor.IV = pdb.GetBytes(16);
                using (MemoryStream ms = new MemoryStream())
                {
                    using (CryptoStream cs = new CryptoStream(ms, encryptor.CreateEncryptor(), CryptoStreamMode.Write))
                    {
                        cs.Write(clearBytes, 0, clearBytes.Length);
                        cs.Close();
                    }
                    password = Convert.ToBase64String(ms.ToArray());
                }
            }
            return password;
        }




        private string Decrypt(string password)
        {
            string EncryptionKey = "GDTDJJW765946HN";
            byte[] cipherBytes = Convert.FromBase64String(password);
            using (Aes encryptor = Aes.Create())
            {
                Rfc2898DeriveBytes pdb = new Rfc2898DeriveBytes(EncryptionKey, new byte[] { 0x49, 0x76, 0x61, 0x6e, 0x20, 0x4d, 0x65, 0x64, 0x76, 0x65, 0x64, 0x65, 0x76 });
                encryptor.Key = pdb.GetBytes(32);
                encryptor.IV = pdb.GetBytes(16);
                using (MemoryStream ms = new MemoryStream())
                {
                    using (CryptoStream cs = new CryptoStream(ms, encryptor.CreateDecryptor(), CryptoStreamMode.Write))
                    {
                        cs.Write(cipherBytes, 0, cipherBytes.Length);
                        cs.Close();//here I am getting exception
                    }
                    password = Encoding.Unicode.GetString(ms.ToArray());
                }
            }
            return password;
        }