C#后台实现在Grid标签中动态新增CheckBox标签（WPF中）

  • 页面代码
 1 <Grid Margin="45,0,10,0" >
 2                 <Grid.RowDefinitions>
 3                     <RowDefinition Height="*"/>
 4                     <RowDefinition Height="*"/>
 5                 </Grid.RowDefinitions>
 6                 <Grid Name="controlReasonGrid">
 7                     <Grid.ColumnDefinitions>
 8                         <ColumnDefinition Width="*"/>
 9                         <ColumnDefinition Width="*"/>
10                         <ColumnDefinition Width="*"/>
11                         <ColumnDefinition Width="*"/>
12                         <ColumnDefinition Width="*"/>
13                         <ColumnDefinition Width="*"/>
14                         <ColumnDefinition Width="*"/>
15                         <ColumnDefinition Width="*"/>
16                         <ColumnDefinition Width="*"/>
17                         <ColumnDefinition Width="*"/>
18                         <ColumnDefinition Width="*"/>
19                         <ColumnDefinition Width="*"/>
20                     </Grid.ColumnDefinitions>
21                     <CheckBox Margin="10,0" Name="controlReason1"  Content="北京" Style="{StaticResource CommonCheckBoxStyle}" />
22                     <CheckBox  Grid.Column="1" Name="controlReason2"  Content="上海" Style="{StaticResource CommonCheckBoxStyle}" />
23                     <CheckBox  Grid.Column="2" Name="controlReason3"  Margin="10,0,0,0" Content="深圳" Style="{StaticResource CommonCheckBoxStyle}" />
24                     <CheckBox Grid.Column="3" Name="controlReason4"  Content="广州" Style="{StaticResource CommonCheckBoxStyle}"/>
25 
26                     <TextBox Name="controlReasonTextBox" Grid.Column="4" Style="{StaticResource CommonTextBoxStyle}" Height="26" Margin="29,0,0,0" />
27                     <Button Grid.Column="5" Name="controlReasonButton" Content="新 增" Width="50" Style="{StaticResource CommonButtonStyle}" Margin="0,0,84,0" Click="controlReasonButton_Click"/>
28                 </Grid>
29             </Grid>
View Code
  • 后台代码
 1  List<CheckBox> m_AllCheckBoxs2 = new List<CheckBox>();//存放checkBox
 2   
 3 private void controlReasonButton_Click(object sender, RoutedEventArgs e)
 4         {
 5 
 6             if (m_AllCheckBoxs2.Count == 9)
 7             {
 8                 controlReasonTextBox.Visibility = Visibility.Collapsed;
 9                 controlReasonButton.Visibility = Visibility.Collapsed;
10             }
11             if (controlReasonTextBox.Text == "")
12             {
13                 MessageBox.Show("值不能为空！");
14                 return;
15             }
16             foreach (var item in m_AllCheckBoxs2)
17             {
18                 if (controlReasonTextBox.Text == item.Content.ToString())
19                 {
20                     MessageBox.Show("值不能相同！");
21                     return;
22                 }
23             }
24             AddCheckBox("");
25 
26         }
27         private void AddCheckBox(string checkValue)
28         {
29             int prev = Convert.ToInt32(m_AllCheckBoxs2.Last().GetValue(Grid.ColumnProperty)) + 1;//获取集合最后一个元素的列
30             if (m_AllCheckBoxs2.Count > 10) return;
31             CheckBox checkBox = new CheckBox
32             {
33                 Name = "controlReason" + (prev) + "",
34                 Content = checkValue != "" ? checkValue : controlReasonTextBox.Text,
35                 IsChecked = checkValue != "" ? true : false,
36             };
37             foreach (var item in m_AllCheckBoxs2)
38             {
39                 if (item.Content.ToString() == checkBox.Content.ToString())
40                 {
41                     return;
42                 }
43             }
44             checkBox.SetValue(CheckBox.StyleProperty, Application.Current.Resources["CommonCheckBoxStyle"]);//绑定样式
45             checkBox.SetValue(Grid.ColumnProperty, prev); //设置按钮所在Grid控件的列
46             controlReasonGrid.Children.Add(checkBox);
47 
48             int curr = Convert.ToInt32(checkBox.GetValue(Grid.ColumnProperty)) + 1;//获取当前复选框所在列
49             controlReasonTextBox.SetValue(Grid.ColumnProperty, curr);//文本框
50 
51             int prev2 = Convert.ToInt32(controlReasonTextBox.GetValue(Grid.ColumnProperty)) + 1;//获取文本框所在列
52             controlReasonButton.SetValue(Grid.ColumnProperty, prev2);//新增按钮
53             checkBox.Checked += cb_Checked2;//绑定事件
54             checkBox.Unchecked += cb_Unchecked2;//绑定事件
55             ChangeSelAllChecked(checkBox, m_AllCheckBoxs2);
56 
57             m_AllCheckBoxs2.Add(checkBox);
58         }
View Code

 

posted @ 2020-07-30 18:10  小七&  阅读(526)  评论(0)  编辑  收藏  举报