Song.Site/Manage/Sys/Subject_Edit.aspx.cs

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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;

using WeiSha.Common;

using Song.ServiceInterfaces;
using Song.Entities;

namespace Song.Site.Manage.Sys
{
    public partial class Subject_Edit : Extend.CustomPage
    {
        //要操作的对象主键
        private int id = WeiSha.Common.Request.QueryString["id"].Int32 ?? 0;
        //上传资料的所有路径
        private string _uppath = "Subject";
        Song.Entities.Organization org;
        protected void Page_Load(object sender, EventArgs e)
        {
            org = Business.Do<IOrganization>().OrganCurrent();
            if (!this.IsPostBack)
            {
                init();
                fill();
            }
        }
        private void init()
        {
            //院系            
            int orgid = org.Org_ID;
            Song.Entities.Depart[] nc = Business.Do<IDepart>().GetAll(orgid, true, null);
            this.ddlDepart.DataSource = nc;
            this.ddlDepart.DataTextField = "dep_cnName";
            this.ddlDepart.DataValueField = "dep_id";
            this.ddlDepart.DataBind();
            //如果没有院系，则采用默认
            if(nc.Length<1)
                this.ddlDepart.Items.Insert(0, new ListItem("  ", "-1"));
            ddlDepart_SelectedIndexChanged(null, null);
        }
        /// <summary>
        /// 当院系改变时
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void ddlDepart_SelectedIndexChanged(object sender, EventArgs e)
        {
            int depid = 0;
            int.TryParse(ddlDepart.SelectedItem.Value, out depid);
            Song.Entities.Subject[] eas = null;
            eas = Business.Do<ISubject>().SubjectCount(org.Org_ID, depid, null, true, -1, -1);
            ddlTree.DataSource = eas;