创建和使用 XML Web 服务
| ylbtech-WebService-XML Web: 创建和使用 XML Web 服务 |
创建和使用 XML Web 服务。小案例实现 Web 服务的创建、发布和调用。
| 1.A,发布者(Promulgator) 返回顶部 |
发布者网站(The Publisher site web)
/App_Code/WebService.cs
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using System; using System.Collections.Generic; using System.Web; using System.Web.Services; using System.Data.SqlClient; using System.Data; /// <summary> ///WebService 的摘要说明 /// </summary> [WebService(Namespace = "http://tempuri.org/",Name="ylb科技",Description="专业的WebService服务")] [WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)] public class WebService : System.Web.Services.WebService { public WebService () { //如果使用设计的组件，请取消注释以下行 //InitializeComponent(); } [WebMethod] public string HelloWorld() { return "Hello World"; } /// <summary> /// 带方法名注释 MessageName="欢迎某人" /// </summary> /// <returns></returns> [WebMethod(MessageName="欢迎某人")] public string HelloWorld2() { return "欢迎你伟大的ylb先生。"; } /// <summary> /// 返回所有产品信息 /// 用适配器做的，无参数 /// </summary> /// <returns></returns> [WebMethod] public DataTable GetProducts() { string sql = "select * from Products"; DataSet ds = new DataSet(); DataTable dt = new DataTable(); SqlConnection con = new SqlConnection(); con.ConnectionString = "server=.;database=northwind;integrated security=sspi"; SqlDataAdapter adapter = new SqlDataAdapter(sql, con); con.Open(); adapter.Fill(ds); con.Close(); ///取出表 dt = ds.Tables[0]; return dt; } /// <summary> /// 返回产品集合，根据CategoryID /// 有参数 /// </summary> /// <param name="cateID"></param> /// <returns></returns> [WebMethod(CacheDuration = 600)] //设置缓存以秒为单位 public DataTable GetProductsByCateID(int cateID) { string sql = "select * from Products where categoryID=@categoryID"; DataSet ds = new DataSet(); DataTable dt = new DataTable(); SqlConnection conn = new SqlConnection(); conn.ConnectionString = "server=.;database=northwind;integrated security=sspi"; SqlCommand com = conn.CreateCommand(); com.CommandText = sql; //配参 com.Parameters.Add(new SqlParameter("@categoryID", cateID)); conn.Open(); SqlDataReader sdr = com.ExecuteReader(); dt.Load(sdr); conn.Close(); ds.Tables.Add(dt); dt = ds.Tables[0]; return dt; } }
| 1.B,调用者(Caller)返回顶部 |
调用者网站(The Caller site web)
1.B.0, 网站右键添加“添加 Web 引用” 【略】
/App_WebReferences/
/App_WebReferences/localhost/
/App_WebReferences/localhost/WebService.discomap
/App_WebReferences/localhost/WebService.disco
/App_WebReferences/localhost/WebService.wsdl
/Web.config【添加后 web 会添加这样一条注册】
<configuration> <appSettings> <add key="localhost.WebService" value="http://localhost:50864/WebSite/WebService.asmx"/> </appSettings> </configuration>
1.B.1,
/DemoHouTai.aspx
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<%@ Page Language="C#" AutoEventWireup="true" CodeFile="DemoHouTai.aspx.cs" Inherits="DemoHouTai" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head runat="server"> <title></title> </head> <body> <form id="form1" runat="server"> <div> <h3> 后台调用WebService应用</h3> <h2> 方法：添加对象 </h2> <hr /> <h4> 案例：调用查所有产品信息，无参数</h4> <asp:GridView ID="gvwProductList" runat="server" AllowPaging="True" EnableModelValidation="True" onpageindexchanging="gvwProductList_PageIndexChanging"> </asp:GridView> </div> </form> </body> </html>
/DemoHouTai.aspx.cs
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using System; using System.Web.UI.WebControls; public partial class DemoHouTai : System.Web.UI.Page { /// <summary> /// 展示所有产品 /// </summary> private void BindProductList() { gvwProductList.DataSource = new localhost.ylb科技().GetProducts(); gvwProductList.DataBind(); } protected void Page_Load(object sender, EventArgs e) { if (!IsPostBack) { //调用 BindProductList(); } } protected void gvwProductList_PageIndexChanging(object sender, GridViewPageEventArgs e) { //新页码 gvwProductList.PageIndex = e.NewPageIndex; //更新数据 BindProductList(); } }
1.B.2,
/DemoHouTai2.aspx
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<%@ Page Language="C#" AutoEventWireup="true" CodeFile="DemoHouTai2.aspx.cs" Inherits="DemoHouTai2" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head runat="server"> <title></title> </head> <body> <form id="form1" runat="server"> <div> <h3> 后台调用WebService应用</h3> <h2> 方法：添加对象 </h2> <hr /> <h4> 案例：调用查所有产品信息，有参数</h4> <hr /> 请输入产品类别：<asp:TextBox ID="txtCategoryID" runat="server"></asp:TextBox> <asp:Button ID="btnSubmit" runat="server" Text="搜索" onclick="btnSubmit_Click" /> <div> <asp:Label ID="lblState" runat="server" ForeColor="Red" ></asp:Label></div> <hr /> 该分类下的产品是：<br /> <asp:GridView ID="gvwProductList" runat="server" AllowPaging="True" EnableModelValidation="True" onpageindexchanging="gvwProductList_PageIndexChanging"> </asp:GridView> </div> </form> </body> </html>
/DemoHouTai2.aspx.cs
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View Code
using System; using System.Web.UI.WebControls; public partial class DemoHouTai2 : System.Web.UI.Page { /// <summary> /// 绑定产品类表，根据CategoryID /// </summary> private void BindProductList() { lblState.Text = string.Empty; int categoryID= 1; if (IsPostBack) //不是第一次加载该页面 { if (txtCategoryID.Text.Length > 0) { categoryID= Convert.ToInt32(txtCategoryID.Text.Trim()); } } gvwProductList.DataSource = new localhost.ylb科技().GetProductsByCateID(categoryID); gvwProductList.DataBind(); } protected void Page_Load(object sender, EventArgs e) { if (!IsPostBack) { //调用 BindProductList(); } } protected void btnSubmit_Click(object sender, EventArgs e) { BindProductList(); } protected void gvwProductList_PageIndexChanging(object sender, GridViewPageEventArgs e) { //当前页码 gvwProductList.PageIndex = e.NewPageIndex; //更新数据 BindProductList(); } }
1.B.3,
/DemoQianTai.aspx
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<%@ Page Language="C#" AutoEventWireup="true" CodeFile="DemoQianTai.aspx.cs" Inherits="DemoQianTai" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head runat="server"> <title></title> </head> <body> <form id="form1" runat="server"> <div> <h3>前台调用WebService应用</h3> <h2> 方法：添加对象 </h2> <hr /> <h4>案例：调用查所有产品信息，无参数</h4> <asp:GridView ID="GridView1" runat="server" AllowPaging="True" DataSourceID="ObjectDataSource1" EnableModelValidation="True"> </asp:GridView> <asp:ObjectDataSource ID="ObjectDataSource1" runat="server" SelectMethod="GetProducts" TypeName="localhost.ylb科技"> </asp:ObjectDataSource> </div> </form> </body> </html>
1.B.4,
/DemoQianTai2.aspx
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<%@ Page Language="C#" AutoEventWireup="true" CodeFile="DemoQianTai2.aspx.cs" Inherits="DemoQianTai2" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head runat="server"> <title></title> </head> <body> <form id="form1" runat="server"> <div> <h3> 前台调用WebService应用</h3> <h2> 方法：添加对象 </h2> <hr /> <h4> 案例：调用查所有产品信息，有参数</h4> <hr /> 请输入产品类别：<asp:TextBox ID="txtCategoryID" runat="server"></asp:TextBox> <asp:Button ID="btnSubmit" runat="server" Text="搜索" /> <hr /> 该分类下的产品是：<br /> <asp:GridView ID="GridView1" runat="server" AllowPaging="True" DataSourceID="ObjectDataSource1" EnableModelValidation="True"> </asp:GridView> <asp:ObjectDataSource ID="ObjectDataSource1" runat="server" SelectMethod="GetProductsByCateID" TypeName="localhost.ylb科技"> <SelectParameters> <asp:ControlParameter ControlID="txtCategoryID" DefaultValue="1" Name="cateID" PropertyName="Text" Type="Int32" /> </SelectParameters> </asp:ObjectDataSource> </div> </form> </body> </html>
| 1.C,资源下载(Free Download)返回顶部 |
http://files.cnblogs.com/ylbtech/XmlWeb-WebService-WebForm-PromulgatorAndCaller.rar
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