Controllers/I2/I0203Controller.cs

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using System;
using System.Collections.Generic;
using System.Data;
using System.Data.Entity;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using OPMS.Models;
using System.IO;

namespace OPMS.Controllers
{
    public class I0203Controller : BaseController
    {
        private DBHelp db = new DBHelp();

        //
        // GET: /I0203/

        public ActionResult Index(string ProjectID = null, string TaskID = "0", string queryStr = null)
        {
            List<I0201> i0201s = db.I0201.ToList();
            if (ProjectID == null)
            {
                if (i0201s.Count > 0)
                    ProjectID = i0201s[0].ProjectID;
            }
            ViewBag.ProjectID = new SelectList(i0201s, "ProjectID", "ProjectName");
            ViewBag.taskName = TaskID;//选中任务
           
            List<I0203> list = db.I0203.Include(i => i.i0202).Where(t => t.i0202.ProjectID == ProjectID).ToList();
            if (TaskID != "0")
            {
                list = list.Where(t => t.i0202.TaskName == TaskID).ToList();
            }
            if (!string.IsNullOrEmpty(queryStr))
            {
                //关键字查询
                list = list.Where(p => p.Mc.Contains(queryStr) || p.Operator.Contains(queryStr)).ToList();
            }
            list = list.OrderBy(t => t.TId).ThenBy(t => t.ParentMId).ThenBy(t => t.Sort).ToList();
            ViewBag.queryStr = queryStr;
            //现在排序显示 
            List<I0203> newlist = new List<I0203>();
            foreach (I0203 item in list)
            {
                if (string.IsNullOrWhiteSpace(item.ParentMId))
                {
                     newlist.Add(item);
                     BindSort(newlist, list, item.MId,"");
                }
            }
            return View(newlist);
        }
        //重新排序绑定
        private void BindSort(List<I0203> newlist, List<I0203> list,string pmid,string str)
        {
            List<I0203> childlist = list.Where(t => t.ParentMId == pmid).ToList();
            str += "|->";
            foreach (I0203 item2 in childlist)