diff --git a/App.xaml b/App.xaml
index de651fd..9d60610 100644
--- a/App.xaml
+++ b/App.xaml
@@ -2,8 +2,13 @@
              xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:local="clr-namespace:formula_manage"
-             StartupUri="Login.xaml">
+             StartupUri="Login.xaml"
+             xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
+             d1p1:Ignorable="d" xmlns:d1p1="http://schemas.openxmlformats.org/markup-compatibility/2006"
+             >
     <Application.Resources>
-         
+        <ResourceDictionary>
+            <vm:ViewModelLocator x:Key="Locator" d:IsDataSource="True" xmlns:vm="clr-namespace:formula_manage.ViewModel" />
+        </ResourceDictionary>
     </Application.Resources>
 </Application>
diff --git a/MainWindow.xaml b/MainWindow.xaml
index a4a9fb9..fddcb79 100644
--- a/MainWindow.xaml
+++ b/MainWindow.xaml
@@ -6,7 +6,12 @@
         xmlns:local="clr-namespace:formula_manage"
         mc:Ignorable="d" Loaded="Window_MIN" 
         Title="SUNLIGHT" Height="720" Width="1280" MinHeight="720" MinWidth="1280"
+        DataContext="{Binding Source={StaticResource Locator}, Path=Main}"
         BorderBrush="White" Background="#FFE0E0E0">
+    <Window.Resources>
+        <CollectionViewSource x:Key="BarCollectionSource" Source="{Binding Path=BarCollection}"/>
+    </Window.Resources>
+    
     <Grid>
         <Menu IsTabStop="False">
             <MenuItem x:Name="tab" Header="_文件" FontSize="16" Focusable ="False" >
@@ -71,7 +76,7 @@
             <ComboBoxItem Content="正常单"></ComboBoxItem>
             <ComboBoxItem Content="追加单"></ComboBoxItem>
         </ComboBox>
-        <TextBox x:Name="Procedures_N" HorizontalAlignment="Left" Height="30" Margin="300,140,0,0" TextWrapping="Wrap" Text="1" VerticalAlignment="Top" Width="80" FontSize="20" 
+        <TextBox x:Name="Procedures_N" HorizontalAlignment="Left" Height="30" Margin="300,140,0,0" TextWrapping="Wrap" Text="1" VerticalAlignment="Top" Width="85" FontSize="20" 
                  KeyUp="SearchBox_OnKeyDownd" MaxLines="1" MaxLength="3" PreviewTextInput="Tb_KeyPress" InputMethod.IsInputMethodEnabled="False"/>
         <Button Content="+" HorizontalAlignment="Left" Height="15" Width="20" Margin="385,140,0,0" VerticalAlignment="Top" FontSize="10" 
                 Background="#FFF1F1F1" BorderBrush="#FFC5C5C5" Padding="0,0,0,0" Click="Button_up" IsTabStop="False" Focusable ="False"/>
@@ -157,7 +162,14 @@
                 <DataGridTemplateColumn Header="原料代码" Width="200" MaxWidth="400" MinWidth="100" IsReadOnly="False">
                     <DataGridTemplateColumn.CellTemplate>
                         <DataTemplate>
-                            <ComboBox x:Name="CP_PRODUCT_CODE" BorderThickness="0,0,0,0"  ItemsSource="{Binding RRODUCTdataTable}" DisplayMemberPath="{Binding Path=ProductCode}"  BorderBrush="{x:Null}" Background="{x:Null}" IsEditable="True" KeyDown="CP_PRODUCT_CODE_KeyUp" 
+                            <ComboBox x:Name="CP_PRODUCT_CODE" BorderThickness="0,0,0,0" 
+                                      
+                                     DisplayMemberPath="Name" 
+                               SelectedItem="{Binding Bar, UpdateSourceTrigger=LostFocus}" 
+                               ItemsSource="{Binding Source={StaticResource BarCollectionSource}}"    
+                                      
+                                      Text="{Binding PRODUCT_CODE}"
+                                      BorderBrush="{x:Null}" Background="{x:Null}" IsEditable="True" KeyDown="CP_PRODUCT_CODE_KeyUp" 
                               >
                             </ComboBox>
                         </DataTemplate>
diff --git a/MainWindow.xaml.cs b/MainWindow.xaml.cs
index 4c99f91..e576edc 100644
--- a/MainWindow.xaml.cs
+++ b/MainWindow.xaml.cs
@@ -2,11 +2,13 @@
 using System;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
+using System.ComponentModel;
 using System.Data;
 using System.Data.SqlClient;
 using System.Globalization;
 using System.IO;
 using System.Linq;
+using System.Runtime.CompilerServices;
 using System.Text;
 using System.Text.RegularExpressions;
 using System.Threading.Tasks;
@@ -126,48 +128,79 @@ namespace formula_manage
             comboBox1.ItemsSource = STUFFdataTable.DefaultView;*/
         }
 
-      /*  private int g_TypeNameDicNo;          //枪型号名
 
-        public int G_TypeNameDicNo
+       /* private void ComboBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
+        {
+            var cb = (sender as System.Windows.Controls.ComboBox);
+            if (cb == null || cb.Tag == null) return;
+            int idx = int.Parse(cb.Tag.ToString());
+        //     var bindDataGridDatas = this.Grid_RRODUCT.ItemsSource as BindDataGridData[];//成员变量和这里转换都可以。
+         //   bindDataGridDatas[idx].UnitStr = (string)cb.SelectedItem;//手动保存到数据结构
+        //    bindDataGridDatas[idx].UpdateKBValue(); //联动CoefK值
+        }
+
+        public event PropertyChangedEventHandler PropertyChanged;
+
+        private void PropertiesC([CallerMemberName] string propertyName = "")
+        {
+            this.PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
+        }
+
+        public int Idx { get; set; } = 0;
+
+        string unitstr = "Pa";
+
+        public string UnitStr
         {
             get
             {
-                return g_TypeNameDicNo;
+                return this.unitstr;
             }
             set
             {
-                g_TypeNameDicNo = value;
+                this.unitstr = value;
+                this.PropertiesC();
             }
         }
-        public string G_TypeNameDicNoStr
+
+        public string[] UnitList { get; set; } = new string[] { "Pa", "kPa", "MPa" };
+
+        public static readonly float[][] KBList = new float[][] { new float[] { 1, 1 }, new float[] { 1000, 2 }, new float[] { 1000000, 3 } };
+
+        float coefK { get; set; } = 1f;
+
+        public float CoefK
         {
             get
             {
-                return gunNameTypeDic[g_TypeNameDicNo]; //查找Dictionary返回它的Value
+                return this.coefK;
             }
             set
             {
-                int selectedIndex = 0;
-                foreach (KeyValuePair<int, string> pair in gunNameTypeDic)
-                {
-                    if (pair.ToString().Equals(value))	//对比键值对
-                    {
-                        selectedIndex = pair.Key;
-                    }
-                }
-                G_TypeNameDicNo = selectedIndex;
+                this.coefK = value;
+                this.PropertiesC();
             }
         }
 
-        private Dictionary<int, string> gunNameTypeDic;
-        public Dictionary<int, string> GunNameTypeDic
+        public void UpdateKBValue()
         {
-            get
+            int idx = -1;
+            for (int j = 0; j < this.UnitList.Length; j++)
             {
-                return gunNameTypeDic;
+                if (this.UnitList[j] == this.unitstr)
+                {
+                    idx = j; break;
+                }
             }
+            if (idx == -1) return;
+            //throw new System.Exception("no Unit in UnitList:  unit " + this.UnitStr + " UnitList {" + string.Join(", ", this.UnitList)+"}");
+
+            //this.CoefK = BindDataGridData.KBList[idx][0];
         }*/
 
+
+
+
         private async void sql_()
         {
             UserClass.IniFile.IniFiles Configini = new UserClass.IniFile.IniFiles(INIPath);//生效配置读取
@@ -487,6 +520,7 @@ namespace formula_manage
 
             Procedures_N.Text = "1";
             Procedures_P.Text = "1";
+      //   RecipedataTable =  RRODUCTdataTable;
         }
 
         private void Button_NewOrder(object sender, RoutedEventArgs e) //新料单按钮
diff --git a/ViewModel/MainWindowViewModel.cs b/ViewModel/MainWindowViewModel.cs
new file mode 100644
index 0000000..91b7331
--- /dev/null
+++ b/ViewModel/MainWindowViewModel.cs
@@ -0,0 +1,82 @@
+using formula_manage.SQLModels;
+using formula_manage.Windows;
+using GalaSoft.MvvmLight;
+using System;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Threading;
+
+namespace formula_manage.ViewModel
+{
+    ///<Summary>
+    /// RRODUCTiewModel
+    ///</Summary>
+    public class MainWindowViewModel : ViewModelBase
+    {
+
+
+        public MainWindowViewModel()
+        {
+            BarCollection = new ObservableCollection<BarModel>
+            {
+                new BarModel { Id = 1, Name = "Bar 1", },
+                new BarModel { Id = 2, Name = "Bar 2", },
+                new BarModel { Id = 3, Name = "Bar 3", },
+            };
+
+            FooCollection = new ObservableCollection<FooViewModel>
+            {
+                new FooViewModel{ Id = 1, },
+                new FooViewModel{ Id = 2, },
+                new FooViewModel{ Id = 3, },
+            };
+
+        }
+
+        public ObservableCollection<BarModel> BarCollection { 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 BarModel
+    {
+        public int Id { get; set; }
+        public string Name { get; set; }
+
+        public override string ToString()
+        {
+            return Name;
+        }
+
+
+        /// <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
+        {
+
+        }*/
+
+    }
+}
diff --git a/ViewModel/RRODUCTViewModel.cs b/ViewModel/RRODUCTViewModel.cs
deleted file mode 100644
index 85e5861..0000000
--- a/ViewModel/RRODUCTViewModel.cs
+++ /dev/null
@@ -1,38 +0,0 @@
-using formula_manage.SQLModels;
-using formula_manage.Windows;
-using GalaSoft.MvvmLight;
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-using System.Windows.Threading;
-
-namespace formula_manage.ViewModel
-{
-    ///<Summary>
-    /// RRODUCTiewModel
-    ///</Summary>
-    public class RRODUCTiewModel : ViewModelBase
-    {
-        /// <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
-        {
-
-        }
-
-    }
-}
diff --git a/ViewModel/ViewModelLocator.cs b/ViewModel/ViewModelLocator.cs
new file mode 100644
index 0000000..e1e6177
--- /dev/null
+++ b/ViewModel/ViewModelLocator.cs
@@ -0,0 +1,42 @@
+using CommonServiceLocator;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using GalaSoft.MvvmLight;
+using GalaSoft.MvvmLight.Ioc;
+
+namespace formula_manage.ViewModel
+{
+    public class ViewModelLocator
+    {
+        public ViewModelLocator()
+        {
+            ServiceLocator.SetLocatorProvider(() => SimpleIoc.Default);
+
+            ////if (ViewModelBase.IsInDesignModeStatic)
+            ////{
+            ////    // Create design time view services and models
+            ////    SimpleIoc.Default.Register<IDataService, DesignDataService>();
+            ////}
+            ////else
+            ////{
+            ////    // Create run time view services and models
+            ////    SimpleIoc.Default.Register<IDataService, DataService>();
+            ////}
+
+            SimpleIoc.Default.Register<MainWindowViewModel>();
+        }
+             
+        public MainWindowViewModel Main
+        {
+            get
+            {
+                return ServiceLocator.Current.GetInstance<MainWindowViewModel>();
+            }
+        }
+
+    
+    }
+}
diff --git a/formula_manage.csproj b/formula_manage.csproj
index 2534dbc..f96f49d 100644
--- a/formula_manage.csproj
+++ b/formula_manage.csproj
@@ -178,7 +178,8 @@
     <Compile Include="SQLModels\STUFF_Product.cs" />
     <Compile Include="UserClass\IniFile.cs" />
     <Compile Include="UserClass\PressKey.cs" />
-    <Compile Include="ViewModel\RRODUCTViewModel.cs" />
+    <Compile Include="ViewModel\MainWindowViewModel.cs" />
+    <Compile Include="ViewModel\ViewModelLocator.cs" />
     <Compile Include="View\Formula.xaml.cs">
       <DependentUpon>Formula.xaml</DependentUpon>
     </Compile>