webservice.cs

在线 图书网上购物系统

using System;
using System.Web;
using System.Collections;
using System.Web.Services;
using System.Web.Services.Protocols;
using System.Collections.Generic;
using System.Collections.Specialized;
using AjaxControlToolkit;
using System.Data;
using System.Data.Common;

/// <summary>
/// WebService 的摘要说明
/// </summary>
[WebService(Namespace = "http://tempuri.org/")]
[WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
[System.Web.Script.Services.ScriptService]
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 CascadingDropDownNameValue[] GetTeacher(string knownCategoryValues, string category)
    {
        List<CascadingDropDownNameValue> teacherList = new List<CascadingDropDownNameValue>();
        //if (Session["LoginID"] == null)
            //return;
        int departmentid = TeacherStudent.GetDepartmentIDByUserID(Session["LoginID"].ToString());
        DbDataReader ddr = TeacherStudent.GetTeachersInDepartment(departmentid);
        while (ddr.Read())
        {
            teacherList.Add(new CascadingDropDownNameValue(ddr.GetString(0),ddr.GetString(1)));
        }
        ddr.Close();
        return teacherList.ToArray();
     }
    [WebMethod]
    public CascadingDropDownNameValue[] GetPapersByTeacherID(string knownCategoryValues, string category)
    {
        List<CascadingDropDownNameValue> paperList = new List<CascadingDropDownNameValue>();
        StringDictionary kv = CascadingDropDown.ParseKnownCategoryValuesString(knownCategoryValues);
        string teacherid = kv["teacher"];
        DbDataReader ddr = TeacherStudent.GetPapersByTeacherID(teacherid);
        while (ddr.Read())
        {
            paperList.Add(new CascadingDropDownNameValue(ddr.GetString(2).Trim(), ddr.GetValue(0).ToString()));
        }
        ddr.Close();
        return paperList.ToArray();
    }
}