protected void Page_Load(object sender, EventArgs e)
{
try
{
//获得本天气预报服务支持的洲、国内外省份和城市信息
DataSet ds = weather.getSupportDataSet();
if (!Page.IsPostBack)
{
DataTable dt = ds.Tables[0];
ddlProvince.DataSource = dt;
//将支持的洲、国内省份（直辖市、特别行政区）代码绑定到DataValueField
ddlProvince.DataValueField = "ID";
//将支持的洲、国内省份（直辖市、特别行政区）名称绑定到DataTextField
ddlProvince.DataTextField = "Zone";//显示省洲名称
ddlProvince.DataBind();
ddlCity.SelectedIndex = 1;
//调用自定义方法CityDataBind()，"1"表示直辖市
CityDataBind("1");
//调用自定义方法GetWeatherByCode()，"54511"表示北京
GetWeatherByCode("54511");
}
}
catch (Exception)
{
lblError.Text = "网络连接异常！";
}
}
protected void Page_Load(object sender, EventArgs e)
{
try
{
DataSet ds = weather.getSupportDataSet();
if (!IsPostBack)
{
DataTable dt = ds.Tables[0];
DropDownList1.DataSource = dt;
DropDownList1.DataValueField = "ID";
DropDownList1.DataTextField = "Zone";
DropDownList1.DataBind();
DropDownList2.SelectedIndex = 1;
CityDataBind("1");
GetWeather("54511");
}
}
catch (Exception)
{
Label6.Text = "网络连接异常";
}
}