There is no row at position 0

hi i am having a page where on load i need to retrieve an image and some values from table (sql server) i am able to retrieve the data but i am getting an error while retriving the image

string Id = Request.QueryString["cproduct_id"];
        String strConnString = System.Configuration.ConfigurationManager.ConnectionStrings["conString"].ConnectionString;
            
        SqlConnection connection = new SqlConnection(strConnString);
        SqlDataAdapter sda = new SqlDataAdapter();
        DataTable dt = new DataTable();
        connection.Open();
        SqlCommand command = new SqlCommand("select iProduct_Image from    Product_image where cproduct_ID='"+Id+"'", connection);
        sda.SelectCommand = command;
        sda.Fill(dt);
        SqlDataReader dr = command.ExecuteReader();
        dr.Read();
        **Byte[] bytes = (Byte[])dt.Rows[0]["iProduct_Image"];
        Response.Buffer = true;
        Response.BinaryWrite(bytes);
        Response.BinaryWrite((Byte[])dr[0]);
        connection.Close();

**this is the error i am receiving " There is no row at position 0. "