ASP. NET uses WebService to implement the weather forecast function. asp. netwebservice

ASP. NET uses WebService to implement the weather forecast function. asp. netwebservice

In this paper, Asp. Net (C #) is used to call the Web Services (http://www.webxml.com.cn/WebServices/WeatherWebService.asmx) published on the Internet to achieve weather forecast. The weather forecast Web Service data comes from the China Meteorological Administration http://www.cma.gov.cn/, and the data is automatically updated every hours. Including weather forecast data for over 340 major Chinese cities and over 60 major foreign cities within three days.

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Steps:

1. Create a web project and add a form.

2. Right-click the reference and choose add service reference> advanced> Add Web reference.

3. Copy the Web interface to the box on the right of the URL --> click the arrow on the right of the input box to test the connection (check whether the connection is successful in the lower left corner) --> you can change the Web reference name on the rightmost side --> Add a reference.

Front-end code

<Div> <br/> Asp. net call WebService to implement weather forecast <br/> enter the city name: <asp: textBox ID = "txtcity" runat = "server"> </asp: TextBox> <asp: Label ID = "Label1" runat = "server" style = "color: red "BorderColor =" Red "Text =" such as: Shanghai "> </asp: Label> <br/> <asp: button ID = "btncheck" runat = "server" Text = "query" Width = "69px" OnClick = "btncheck_Click"/> <br/> weather Overview: <asp: label ID = "lbtianqi" runat = "server" style = "" BorderColor = "Red" Text = ""> </asp: label> <br/> weather conditions: <br/> <asp: textBox ID = "txtcityweather" runat = "server" Height = "62px" TextMode = "MultiLine" Width = "258px"> </asp: textBox> <br/> </div>

Background code

protected void btncheck_Click(object sender, EventArgs e) {  WeatherService.WeatherWebService w = new WeatherService.WeatherWebService();  string [] res=new string[23];  string cityname = txtcity.Text.Trim();  res = w.getWeatherbyCityName(cityname);  lbtianqi.Text = cityname + " "+res[6];  txtcityweather.Text = res[10]; }

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