【WPF学习笔记】之如何把数据库里的值读取出来然后显示在页面上：动画系列之（六）

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using System.Data.SqlClient;
using User.sqlHelper;
using System.Data;
using System.IO;
using System.Drawing;


namespace User
{
    /// <summary>
    /// MainWindow.xaml 的交互逻辑
    /// </summary>
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
        }

        string ss = "";
        public static string name = "";
        int id = 0;
        public int usergrade = 1;

        private void Window_Loaded(object sender, RoutedEventArgs e)
        {
            myHelper.showWarnMessage += new myHelper.ShowWarnMessage(myHelper_showWarnMessage);
        }

        //传递登录界面的用户名
        User_test _u = new User_test();
        void myHelper_showWarnMessage(string _str)
        {
            //获取用户名
            string _msg = _str;
            //传递名字到主页面
            name = tb_name.Text = _msg;
            //根据用户名得到权限
            usergrade = _u.getUserGrade(tb_name.Text);

　　　　　　　//从这里开始
            //申请者权限
            if (usergrade == 0)
            { 
                //根据我登录的用户名和id，把word表的信息读取出来
                //查询User表获取用户名和id
                DataSet _ds = _u.GetList();
                if(_ds != null)
                {
                    DataTable _dt = _ds.Tables[0];
                    for (int i = 0; i < _dt.Rows.Count; i++)
                    {
                        int userid = int.Parse(_dt.Rows[i]["UserID"].ToString().Trim());
                        string username = _dt.Rows[i]["UserName"].ToString().Trim();
                        //如果画面登录的用户名与user表的名字一致，则取出表里的id
                        if (tb_name.Text.Equals(username))
                        {
                            id = userid;
                        }
                    }
                }

                Word _w = new Word();
                _ds = _w.GetList();
                if(_ds != null)
                {
                    DataTable _dt = _ds.Tables[0];
                    for (int i = 0; i < _dt.Rows.Count; i++)
                    {
                        int submitterid = int.Parse(_dt.Rows[i]["SubmitterID"].ToString().Trim());
                        //如果word表取出的id与user表id一致，则把word表里的数据都取出来
                        if (id.Equals(submitterid))
                        {
                            //初始化用户控件2的属性，然后一一赋值
                            uc_item item = new uc_item();
                            item.loadCombobox();
                            sp_1.Children.Add(item);
                            Canvas.SetLeft(item, 0);

                            //编号
                            ss = item.tb_id.Text = _dt.Rows[i]["WordID"].ToString().Trim();
                            //提交人
                            item.tb_uploader.Text = _u.getUserName(int.Parse(_dt.Rows[i]["WordID"].ToString().Trim()));
                            //当前状态
                            item.cb_type2.Text = _dt.Rows[i]["CurrentStatus"].ToString().Trim();
                            //提交状态
                            item.cb_type.Text = _dt.Rows[i]["SubmitStatus"].ToString().Trim();
                            //内容
                            item.tb_describe.Text = _dt.Rows[i]["WordDescribe"].ToString().Trim();
                            //提交日期
                            item.dp_date.Text = _dt.Rows[i]["SubmitTime"].ToString().Trim();
                            //最后更新时间
                            item.dp_date2.Text = _dt.Rows[i]["LastTime"].ToString().Trim();

                            //设置数据显示条的高度
                            sp_1.Height = Math.Max(sp_1.Children.Count * 10, 930);

                        }
                    }
                }
            }
　　　　　　　//到这里结束
            //审批者权限
            else if (usergrade == 1)
            { 
                
            }
            //执行者权限
            else if (usergrade == 2)
            { 
                   
            }
        }


        public static bool isnew = false;

        //新建时嵌套另一个用户控件2在主页面上
        private void btn_new_Click(object sender, RoutedEventArgs e)
        {
            isnew = true;
            //新建
            uc_item _ucItem = new uc_item();
            //设置号码初始化
            //编号
            _ucItem.tb_id.Text = "0";
            //登录人
            _ucItem.tb_uploader.Text = this.tb_name.Text;
            //当前状态
            _ucItem.cb_type2.Text = "未";
            //审批状态
            _ucItem.loadCombobox();

            //初始化信息添加到新建中
            sp_1.Children.Add(_ucItem);
            Canvas.SetLeft(_ucItem, 0);
            sp_1.Height = Math.Max(sp_1.Children.Count * 10 ,930);

        }

        private void btn_nosolve_Click(object sender, RoutedEventArgs e)
        {

        }

        private void btn_solve_Click(object sender, RoutedEventArgs e)
        {

        }

        private void btn_back_Click(object sender, RoutedEventArgs e)
        {
            sp_1.Children.Clear();
            my_uc_login.showLogin();
        }

        internal static void VisibilityProperty()
        {
            throw new NotImplementedException();
        }
    }
}