wfrmcourseteacheradd.aspx.cs

Teacher Manager System

using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;

public partial class _Default : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!Page.IsPostBack)
        {
            fillCourseIDtoDropdownlist();
            txtCreator.Text = getFacade().目前使用者.USERNAME;
        }

    }
    private CCourseFactory iv_courseFactory;
    private CCourseFactory getCourseFactory()
    {
        if (iv_courseFactory == null)
        {
            iv_courseFactory = new CCourseFactory(Session["DbManager"].ToString());
        }
        return iv_courseFactory;
    }
    private CCourse教師Factory iv_ctFactory;
    private CCourse教師Factory getCCourse教師Factory()
    {
        if (iv_ctFactory == null)
        {
            iv_ctFactory = new CCourse教師Factory(Session["DbManager"].ToString());
        }
        return iv_ctFactory;
    }
    private CTeacherFactory iv_teacherFactory;
    private CTeacherFactory getTeacherFactory()
    {
        if (iv_teacherFactory == null)
        {
            iv_teacherFactory = new CTeacherFactory(Session["DbManager"].ToString());
        }
        return iv_teacherFactory;

    }
    private void fillCourseIDtoDropdownlist()
    {
        CCourse[] l_課程s = getCourseFactory().getAll();
        CCourse教師[] l_課程教師s = getCCourse教師Factory().getAll();
        DropDownList1.Items.Clear();
        foreach (CCourse c in l_課程s)
        {

            ListItem l = new ListItem();
            l.Text = c.CourseID;
            l.Value = c.CourseID;
            this.DropDownList1.Items.Add(l);
        }


    }
    private void fillTeachertoDropdownlist(string p_str)
    {
        CTeacher[] l_teachers = getTeacherFactory().getAll();
        CCourse教師[] l_課程教師s = getCCourse教師Factory().queryByCourseID(p_str);
        DropDownList2.Items.Clear();
        bool isHave = false;
        if (l_課程教師s == null)
        {
            foreach (CTeacher t in l_teachers)
            {
                ListItem l = new ListItem();
                l.Text = t.Name;
                l.Value = t.TeacherID;
                DropDownList2.Items.Add(l);
            }

        }
        else
        {
            foreach (CTeacher t in l_teachers)
            {
                isHave = false;
                foreach (CCourse教師 ct in l_課程教師s)
                {
                    if (t.Name.Equals(ct.Teacher))
                    {
                        isHave = true;
                        break;
                    }

                }
                if (!isHave)
                {
                    ListItem l = new ListItem();
                    l.Text = t.Name;
                    l.Value = t.TeacherID;
                    DropDownList2.Items.Add(l);
                }


            }
        }

    }
    protected void btnOK_Click(object sender, EventArgs e)
    {
        CCourse教師 l_course教師 = new CCourse教師();
        l_course教師.CourseID = DropDownList1.SelectedItem.Text;
        l_course教師.Teacher = DropDownList2.SelectedItem.Text;
        l_course教師.Expert = DropDownList3.SelectedValue;
        l_course教師.TNote = txtTNote.Text;

        l_course教師.Creator = txtCreator.Text;
        Session["CT"] = "新增";
        getCCourse教師Factory().update(l_course教師);
        Response.Redirect("WfrmCourseTeacher.aspx");


    }
    protected void DropDownList1_SelectedIndexChanged(object sender, EventArgs e)
    {
        fillTeachertoDropdownlist(DropDownList1.SelectedValue);
        CCourse l_course=getCourseFactory().queryByCourseID(DropDownList1.SelectedValue);
        txtCourseName.Text = l_course.CourseName;
        txtCourseName.ReadOnly = true;
    }
    protected void btnCancel_Click(object sender, EventArgs e)
    {
        Response.Redirect("WfrmCourseTeacher.aspx");
    }
    private CCFacade getFacade()
    {
        CCFacade l_facade = (CCFacade)Session["USER"];
        if (l_facade == null)
            Response.Redirect("WfrmLogeinPage.aspx");
        return l_facade;
    }
}