WPF中DataGrid中的DataGridCheckBoxColumn用法（全選，全否，反選）

  1  前臺代碼
  2 
  3           <DataGrid.Columns>
  4                         <DataGridCheckBoxColumn Header="選擇" Binding="{Binding Path=RUID}" x:Name="cRUID"></DataGridCheckBoxColumn>
  5                         <DataGridTextColumn Header="結算類型" Binding="{Binding Path=CTYP}" x:Name="cCTYP" IsReadOnly="True" >       </DataGridTextColumn>
  6 
  7          </DataGrid.Columns>
  8 
  9 後臺：c#代碼
 10 
 11 ：
 12 
 13         ///
 14         /// 全選
 15         ///
 16         ///
 17         ///
 18         private void btnQuanXuan_Click(object sender, RoutedEventArgs e)
 19         {
 20             for (int i = 0; i < this.dgList.Items.Count; i++)
 21             {
 22                 var cntr = dgList.ItemContainerGenerator.ContainerFromIndex(i);
 23                 DataGridRow ObjROw = (DataGridRow)cntr;
 24                 if (ObjROw != null)
 25                 {
 26                     FrameworkElement objElement = dgList.Columns[0].GetCellContent(ObjROw);
 27                     if (objElement != null)
 28                     {
 29                         //if (objElement.GetType().ToString().EndsWith("cRUID"))
 30                         //{
 31                             System.Windows.Controls.CheckBox objChk = (System.Windows.Controls.CheckBox)objElement;
 32                             if (objChk.IsChecked == false)
 33                             {
 34                                 objChk.IsChecked = true;
 35                             }
 36                         //}
 37                     }
 38                 }
 39             }
 40         }
 41 
 42  
 43 
 44    /// <summary>
 45         /// 全否
 46         /// </summary>
 47         /// <param name="sender"></param>
 48         /// <param name="e"></param>
 49         private void btnQuanFou_Click(object sender, RoutedEventArgs e)
 50         {
 51             for (int i = 0; i < this.dgList.Items.Count; i++)
 52             {
 53                 var cntr = dgList.ItemContainerGenerator.ContainerFromIndex(i);
 54                 DataGridRow ObjROw = (DataGridRow)cntr;
 55                 if (ObjROw != null)
 56                 {
 57                     FrameworkElement objElement = dgList.Columns[0].GetCellContent(ObjROw);
 58                     if (objElement != null)
 59                     {
 60                         //if (objElement.GetType().ToString().EndsWith("cRUID"))
 61                         //{
 62                         System.Windows.Controls.CheckBox objChk = (System.Windows.Controls.CheckBox)objElement;
 63                         if (objChk.IsChecked == true)
 64                         {
 65                             objChk.IsChecked = false;
 66                         }
 67                         //}
 68                     }
 69                 }
 70             }
 71         }
 72         /// <summary>
 73         /// 反選
 74         /// </summary>
 75         /// <param name="sender"></param>
 76         /// <param name="e"></param>
 77         private void btnFanXuan_Click(object sender, RoutedEventArgs e)
 78         {
 79             for (int i = 0; i < this.dgList.Items.Count; i++)
 80             {
 81                 var cntr = dgList.ItemContainerGenerator.ContainerFromIndex(i);
 82                 DataGridRow ObjROw = (DataGridRow)cntr;
 83                 if (ObjROw != null)
 84                 {
 85                     FrameworkElement objElement = dgList.Columns[0].GetCellContent(ObjROw);
 86                     if (objElement != null)
 87                     {
 88                         //if (objElement.GetType().ToString().EndsWith("cRUID"))
 89                         //{
 90                         System.Windows.Controls.CheckBox objChk = (System.Windows.Controls.CheckBox)objElement;
 91                         if (objChk.IsChecked == false)
 92                         {
 93                             objChk.IsChecked = true;
 94                         }
 95                         else
 96                         {
 97                             objChk.IsChecked = false;
 98                         }
 99                         //}
100                     }
101                 }
102             }
103         }
104 
105  
106 
107 使用模板列全選：
108 
109 前臺代碼：
110 
111         <DataGridCheckBoxColumn Binding="{Binding Path=RUID,RelativeSource={RelativeSource Mode=FindAncestor, AncestorType={x:Type DataGridRow}}}" x:Name="cRUID">
112                             <DataGridCheckBoxColumn.HeaderTemplate>
113                                 <DataTemplate>
114                                 <CheckBox x:Name="ckbSelectedAll" Content="全選" Checked="ckbSelectedAll_Checked" Unchecked="ckbSelectedAll_Unchecked" IsChecked="False"  />
115                                 </DataTemplate>
116                             </DataGridCheckBoxColumn.HeaderTemplate>
117                         </DataGridCheckBoxColumn>              
118                              
119 
120 後臺 c#代碼
121 
122 :
123 
124         ///
125         /// 全選
126         ///
127         ///
128         ///
129         private void ckbSelectedAll_Checked(object sender, RoutedEventArgs e)
130         {
131             this.dgList.SelectAll();
132         }
133 
134         ///
135         /// 全不選
136         ///
137         ///
138         ///
139         private void ckbSelectedAll_Unchecked(object sender, RoutedEventArgs e)
140         {
141             this.dgList.UnselectAll();
142         }