在asp.net中调用天气预报的webService

 WeatherWebServiceSoap w = new WeatherWebServiceSoapClient("WeatherWebServiceSoap");
    protected void Page_Load(object sender, EventArgs e)
    {
      
        BindPro();
       // BindCity();
    }
    protected void BindPro()
    {
        string[] pro = w.getSupportProvince();
        for (int i = 0; i <pro.Length; i++)
        {
            DropDownList1.Items.Add(new ListItem(pro[i], pro[i]));
        }
    }
    protected void BindCity()
    {
        DropDownList2.Items.Clear();
        string[] city = w.getSupportCity(DropDownList1.SelectedValue);
        for (int i = 0; i <city.Length; i++)
        {
            DropDownList2.Items.Add(new ListItem(city[i], city[i]));
        }
    }
    protected void BindWether()
    {
        string city = DropDownList2.SelectedValue.Substring(0,2);
      //  Response.Write(city);
        string[] mystr = w.getWeatherbyCityName(city);
        //for (int i = 0; i < mystr.Length; i++)
        //{
        //    Response.Write(mystr[i] + "<br/>");
        //}
        Label1.Text = mystr[1];
        Label2.Text = mystr[6];
        Label3.Text = mystr[5];
        Label4.Text = mystr[4];
        Image1.ImageUrl ="images/a_"+ mystr[8];
    }
    protected void DropDownList1_SelectedIndexChanged(object sender, EventArgs e)
    {
        BindCity();
    }
    protected void Button1_Click(object sender, EventArgs e)
    {

        BindWether();
    }