public int Insert(byte[] Byte,string Name,int userid)
{
    try
    {
        SqlCommand storedProcCommand = new SqlCommand("Insert", con);
        storedProcCommand.CommandType = CommandType.StoredProcedure;
        storedProcCommand.Parameters.AddWithValue("@Bytes", banner2Byte);
        storedProcCommand.Parameters.AddWithValue("@name", bannerName);
        storedProcCommand.Parameters.AddWithValue("@userid", userid);
        con.Open();
        storedProcCommand.ExecuteNonQuery();
        con.Close();
    }
    catch (Exception ex)
    {
    }
}

public int Retrieve(int id)
{
    try
    {
        SqlCommand storedProcCommand = new SqlCommand("Retrieve", con);
        storedProcCommand.CommandType = CommandType.StoredProcedure;
        storedProcCommand.Parameters.AddWithValue("@id", id);
        con.Open();
        SqlDataReader reader = storedProcCommand.ExecuteReader();
        reader.Read();
        byte[] arrays= reader.getBytes();
        reader.Close();
        con.Close();
    }
    catch (Exception ex)
    {
    }
}

public Image bytearr2image(byte[] byteArrayIn)
{
    MemoryStream ms = new MemoryStream(byteArrayIn);
    return Image.FromStream(ms);
}