formula_manage/ViewModel/MainWindowViewModel.cs

using formula_manage.SQLModels;
using formula_manage.ViewModel;
using formula_manage.Windows;
using GalaSoft.MvvmLight;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.ComponentModel;
using System.Data;
using System.Data.SqlClient;
using System.Linq;
using System.Reflection;
using System.Runtime.CompilerServices;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Windows.Threading;

namespace formula_manage.ViewModel
{
///<Summary>
/// RRODUCTiewModel
///</Summary>
///
public class MainWindowViewModel : ViewModelBase
    {
        DataTable DissolvedataTable = new DataTable();   //建立Dissolve缓存
        DataTable STUFFdataTable = new DataTable();   //建立STUFF缓存
        DataTable MACHINEdataTable = new DataTable();   //建立Machine缓存
        DataTable RRODUCTdataTable = new DataTable();   //建立RRODUCT缓存
        DataTable RecipedataTable = new DataTable();   //建立Recipe缓存

        public string INIPath = Convert.ToString(System.AppDomain.CurrentDomain.BaseDirectory) + "formula.ini"; //配置文件路径

        string TEXT_SQLIP;
        string TEXT_SQLNAME;
        string TEXT_SQMOD;
        string TEXT_SQLUSER;
        string TEXT_SQLPASWOR;
        string Connstr_SC;

        private async void sql_()
        {
            UserClass.IniFile.IniFiles Configini = new UserClass.IniFile.IniFiles(INIPath);//生效配置读取
            TEXT_SQLIP = Configini.IniReadvalue("SQL_SERVER", "SQL1");    //读配置文件
            TEXT_SQLNAME = Configini.IniReadvalue("SQL_SERVER", "SQL2");
            TEXT_SQMOD = Configini.IniReadvalue("SQL_SERVER", "SQL3");
            TEXT_SQLUSER = Configini.IniReadvalue("SQL_SERVER", "SQL4");
            TEXT_SQLPASWOR = Configini.IniReadvalue("SQL_SERVER", "SQL5");
            if (TEXT_SQMOD == "0")  //判断连接方式
            {
                Connstr_SC = "server=" + TEXT_SQLIP + ";database=" + TEXT_SQLNAME + ";Trusted_Connection=SSPI";
            }
            else
            {
                Connstr_SC = "server=" + TEXT_SQLIP + ";database=" + TEXT_SQLNAME + ";User ID=" + TEXT_SQLUSER + ";Password=" + TEXT_SQLPASWOR;
            }

            string Stuff_sql = "SELECT ProductCode ,ProductName ,ProductType ,Concentration FROM [Dispensing].[dbo].[PRODUCT] order by ProductCode asc";//查询STUFF语句
            string MAC_sql = "SELECT Name ,MacGroup ,Capacity ,Volume ,Industry ,Categories ,Note FROM [Dispensing].[dbo].[MACHINE] order by Name asc";//查询machine语句
            string Dissolve_sql = "SELECT DissolveCode ,DissolveName ,MaterialType ,WeightMIN ,WeightMAX REMARK FROM [Dispensing].[dbo].[Dissolve]";//查询语句       

            SqlConnection conn_SC = new SqlConnection(Connstr_SC);  //实例化
            try
            {
                await conn_SC.OpenAsync();    //打开数据连接
                SqlDataAdapter Stuff_data = new SqlDataAdapter(Stuff_sql, Connstr_SC);   //查询stuff
                SqlDataAdapter Mac_data = new SqlDataAdapter(MAC_sql, Connstr_SC);   //查询machine
                SqlDataAdapter Dissolve_data = new SqlDataAdapter(Dissolve_sql, Connstr_SC);   //查询Dissolve

                Stuff_data.Fill(STUFFdataTable);    //stuff查询结果存入缓存  
                Mac_data.Fill(MACHINEdataTable);    //machine查询结果存入缓存  
                Dissolve_data.Fill(DissolvedataTable);    //machine查询结果存入缓存  
               
                conn_SC.Close();  //关闭连接
               

               
            }
            catch (Exception)
            {
                System.Windows.MessageBox.Show("请求原料信息失败，检查连接");
                return;
            }
            
         //   IEnumerable STUFFdata = STUFFdataTable.DefaultView;
            // Machine.ItemsSource = MACHINEdataTable.DefaultView; // MACHINEdataTable数据集传递到ComboBox：machine
            //  Workflow.ItemsSource = DissolvedataTable.DefaultView; // DissolvedataTable数据集传递到ComboBox：Workflow
        }

        

        public MainWindowViewModel()
        {
            sql_();


            
            

            //  public ObservableCollection (System.Collections.Generic.List<T> list);
            //   BarCollection = (ObservableCollection<BarModel>)STUFFdataTable.AsDataView();
            //    var qwe = STUFFdataTable.DefaultView;
            //  var product =  STUFFdataTable.DefaultView;


            //    BarCollection = (ObservableCollection<Product>)STUFFdata;



            /*  BarCollection = new ObservableCollection<Product>
              {
                  new Product { ProductCode = "Bar 10", },
                  new Product { ProductCode = "Bar 20", },
                  new Product { ProductCode = "Bar 30", },
              };*/

            /*     FooCollection = new ObservableCollection<FooViewModel>
                 {
                     new FooViewModel{ Id = 1, },
                     new FooViewModel{ Id = 2, },
                     new FooViewModel{ Id = 3, },

                 };*/





            /*     product = new ObservableCollection<Product>;
                foreach (DataRow row in STUFFdataTable.Rows)
                {
                product.Add(new Product((int)row[0], (string)row[1], (string)row[2]));

                }    */

            //  _product = new ObservableCollection<Product>((IEnumerable<Product>));
            //  {
            // new Product{ ProductCode= STUFFdataTable.Rows,ProductName= "123", ProductType= 12,Concentration= 12}
            //   };


        }

       

    //    private ObservableCollection<string> _selectionList = new ObservableCollection<string>(); //这个是实现的重要一步

        public ObservableCollection<Product> _product { get; set; }
     //   public ObservableCollection<FooViewModel> FooCollection { get; set; }
 
    }

    /*   public class FooViewModel : ViewModelBase
       {
           private BarModel _bar;

           public int Id { get; set; }
           public BarModel Bar { get => _bar; set => Set(ref _bar, value); }
       }*/

    public class Product
    {
        public string ProductCode { get; set; }
        public string ProductName { get; set; }
        public int ProductType { get; set; }
        public int Concentration { get; set; }

        public override string ToString()
        {
            return ProductCode;
        }
    }

        /// <summary>
        /// StuffViewModeldl
        /// </summary>
     /*   public RRODUCTiewModel()
        {
            //products = new ProductProvider().Select();
            DispatcherTimer timer = new DispatcherTimer//初始化循环，每0.5秒调用一次Tick_Event
            {
                Interval = TimeSpan.FromSeconds(0.1)
            };
            timer.Tick += Tick_Event;
            timer.Start();
        }

        void Tick_Event(object sender, EventArgs e)//Tick_Event周期执行事件
        {

        }*/

    
}