how to write query based on dropdownlist price range

Question

 
 in my shopping website i wabt to show the data from database based on dropdownlist price range selection
eg:   0-10 means bind data based on price 0to 10 like that
i already writen code is below .please  give correctly
protected void Button1_Click(object sender, EventArgs e)
    {
        string query = "SELECT * FROM fruitlist where fruitprice=@price or @price=''";
        SqlCommand cmd = new SqlCommand(query);
        cmd.Parameters.AddWithValue("@Country", DropDownList1.SelectedItem.Value);
        using (SqlConnection con = new SqlConnection(s))
        {
            using (SqlDataAdapter sda = new SqlDataAdapter())
            {
                cmd.Connection = con;
                sda.SelectCommand = cmd;
                using (DataSet ds = new DataSet())
                {
                    sda.Fill(ds);
                    DataList1.DataSource = ds;
                    DataList1.DataBind();
                }
            }
        }
    }
thank you