WPF中DataGrid行上的单选按钮数据绑定双击 [英] Radio Button Databinding in wpf on datagrid row double click
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问题描述
我有一个带有名称，年龄和性别列的数据网格.如果我双击某行，则该行的详细信息应填充在提供的相应文本框中.如果性别是男性，则应选择男性单选按钮，否则应选择女性单选按钮.在数据库中，我为男性保存了true，为女性保存了false.我如何使用数据绑定做到这一点.一切正常，但性别单选按钮未填充.请帮帮我...
我的xaml代码
Hi,
i have a datagrid with a columns name, age and gender. if i double click on a row , that rows details should populate in corresponding textboxes provided. if the gender is male, male radiobutton should select otherwise famale radio button should select. In the database i saved true for male and false for female. how can i do it using databinding.Everything works but the gender radiobutton is not populating. Please help me...
My xaml code
<Window x:Class="WPFTestProject.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:converter="clr-namespace:WPFTestProject.Converter"
Title="MainWindow" Height="484" Width="1116" WindowState="Maximized" Initialized="Window_Initialized">
<Window.Resources>
<converter:StringToBooleanConverter x:Key="StringToBool"></converter:StringToBooleanConverter>
</Window.Resources>
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="584*" />
<ColumnDefinition Width="510*" />
</Grid.ColumnDefinitions>
<Grid Height="421" Margin="12,12,0,0" Name="grid1" VerticalAlignment="Top" HorizontalAlignment="Left" Width="558">
<Grid.RowDefinitions>
<RowDefinition Height="50*" />
<RowDefinition Height="42*" />
<RowDefinition Height="44*" />
<RowDefinition Height="43*" />
<RowDefinition Height="46*" />
<RowDefinition Height="45*" />
<RowDefinition Height="45*" />
<RowDefinition Height="44*" />
<RowDefinition Height="62*" />
</Grid.RowDefinitions>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="194*" />
<ColumnDefinition Width="364*" />
</Grid.ColumnDefinitions>
<Label Content="Name:" Height="28" HorizontalAlignment="Left" Margin="0,22,0,0" Name="label1" VerticalAlignment="Top" />
<TextBox Height="23" HorizontalAlignment="Left" Margin="0,27,0,0" Name="NameTextBox" VerticalAlignment="Top" Width="211" Text="{Binding Name, Mode=TwoWay, UpdateSourceTrigger=LostFocus, ValidatesOnDataErrors=True, NotifyOnValidationError=True}" Grid.Column="1" />
<Label Content="Father's Name:" Height="28" HorizontalAlignment="Left" Margin="0,14,0,0" Name="label2" VerticalAlignment="Top" Grid.Row="1" />
<TextBox Height="23" HorizontalAlignment="Left" Margin="0,14,0,0" Name="FatherNameTextBox" VerticalAlignment="Top" Width="211" Text="{Binding FatherName, Mode=TwoWay,UpdateSourceTrigger=LostFocus}" Grid.Column="1" Grid.Row="1" />
<Label Content="DOB:" Height="28" HorizontalAlignment="Left" Margin="0,16,0,0" Name="label3" VerticalAlignment="Top" Grid.Row="2" />
<DatePicker Height="25" HorizontalAlignment="Left" Margin="0,19,0,0" Name="DOBDatePicker" VerticalAlignment="Top" Width="211" Text="{Binding DOB, Mode=TwoWay,UpdateSourceTrigger=LostFocus}" Grid.Column="1" Grid.Row="2" />
<Label Content="Gender:" Height="28" HorizontalAlignment="Left" Margin="0,15,0,0" Name="label4" VerticalAlignment="Top" Grid.Row="3" />
<RadioButton Content="Male" Height="16" Margin="1,27,0,0" Name="MaleRadioButton" VerticalAlignment="Top" IsChecked="{Binding Gender, Mode=TwoWay,UpdateSourceTrigger=LostFocus, Converter={StaticResource StringToBool}, ConverterParameter=Male}" Grid.Column="1" HorizontalAlignment="Left" Width="42" Grid.Row="3" />
<RadioButton Content="Female" Height="16" HorizontalAlignment="Left" Margin="56,27,0,0" Name="FemaleRadioButton" VerticalAlignment="Top" IsChecked="{Binding Gender, Mode=TwoWay,UpdateSourceTrigger=LostFocus, Converter={StaticResource StringToBool}, ConverterParameter=Female}" Grid.Column="1" Grid.Row="3" />
<Label Content="State:" Height="28" HorizontalAlignment="Left" Margin="0,18,0,0" Name="label6" VerticalAlignment="Top" Grid.Row="4" />
<ComboBox Height="23" HorizontalAlignment="Right" Margin="0,23,153,0" Name="StateComboBox" VerticalAlignment="Top" Width="211" Text="{Binding State, Mode=TwoWay,UpdateSourceTrigger=LostFocus}" Grid.Column="1" Grid.Row="4" />
<Label Content="District:" Height="28" HorizontalAlignment="Left" Margin="1,17,0,0" Name="label5" VerticalAlignment="Top" Grid.Row="5" />
<ComboBox Height="23" HorizontalAlignment="Right" Margin="0,22,153,0" Name="DistrictComboBox" VerticalAlignment="Top" Width="211" Text="{Binding District, Mode=TwoWay,UpdateSourceTrigger=LostFocus}" Grid.Column="1" Grid.Row="5" />
<Button Content="Save" Height="23" HorizontalAlignment="Left" Margin="1,22,0,0" Name="SaveButton" VerticalAlignment="Top" Width="75" Click="SaveButton_Click" Grid.Column="1" Grid.Row="6" />
<Button Content="Delete" Height="23" HorizontalAlignment="Left" Margin="84,22,0,0" Name="DeleteButton" VerticalAlignment="Top" Width="75" Grid.Column="1" Grid.Row="6" Click="DeleteButton_Click" />
<Button Content="Refresh" Height="23" HorizontalAlignment="Left" Margin="165,22,0,0" Name="RefreshButton" VerticalAlignment="Top" Width="75" Grid.Column="1" Grid.Row="6" Click="RefreshButton_Click" />
</Grid>
<DataGrid AutoGenerateColumns="False" Grid.Column="1" Height="200" HorizontalAlignment="Left" Margin="0,12,0,0" Name="PersonDatagrid" VerticalAlignment="Top" Width="498" MouseDoubleClick="PersonDatagrid_MouseDoubleClick">
<DataGrid.Columns>
<DataGridTextColumn Header="Name" Width="100" Binding="{Binding Name}"/>
<DataGridTextColumn Header="Father's name" Width="100" Binding="{Binding FatherName}" />
<DataGridTextColumn Header="DOB" Width="70" Binding="{Binding DOB, StringFormat=dd/MM/yyyy}" />
<DataGridTextColumn Header="Gender" Width="50" Binding="{Binding Gender, Converter={StaticResource StringToBool}}" />
<DataGridTextColumn Header="State" Width="80" Binding="{Binding State}" />
<DataGridTextColumn Header="District" Width="98" Binding="{Binding District}"/>
</DataGrid.Columns>
</DataGrid>
</Grid>
</Window>
My converter class
My converter class
class StringToBooleanConverter : IValueConverter
{
public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
if ((bool)value == false)
{
return "Female";
}
else
{
return "Male";
}
}
public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
{
if (parameter.ToString() == "Male")
{
return true;
}
else
{
return false;
}
}
}
Row double click event
Row double click event
private void PersonDatagrid_MouseDoubleClick(object sender, MouseButtonEventArgs e)
{
this.DataContext = PersonDatagrid.SelectedItem as PersonBO;
}推荐答案
Hi Kunjammu,
You can find the solution here...
XAML Page :
Hi Kunjammu,
You can find the solution here...
XAML Page :
<window x:class="SampleWPFApp.GridWindow" xmlns:x="#unknown">
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:Converters="clr-namespace:SampleWPFApp"
Title="GridWindow" Height="300" Width="300">
<window.resources>
<converters:enumbooleanconverter x:key="EnumGender" xmlns:converters="#unknown" />
</window.resources>
<grid>
<grid.rowdefinitions>
<rowdefinition height="100" />
<rowdefinition height="*" />
</grid.rowdefinitions>
<grid datacontext="{Binding ElementName=PersonDatagrid,Path=SelectedItem}">
<grid.rowdefinitions>
<rowdefinition height="50"></rowdefinition>
<rowdefinition height="50"></rowdefinition>
<rowdefinition height="*"></rowdefinition>
</grid.rowdefinitions>
<grid.columndefinitions>
<columndefinition width="100" />
<columndefinition width="120" />
<columndefinition width="*" />
</grid.columndefinitions>
<textblock name="Name" grid.row="0" grid.column="0" text="Name" />
<textbox name="txtName" grid.row="0" grid.column="1" height="30" margin="10" text="{Binding Name}" />
<textblock name="txtgender" grid.row="1" grid.column="0" text="Gender" />
<radiobutton groupname="male" content="Male" height="16" margin="1,27,0,0" name="MaleRadioButton" verticalalignment="Top" grid.column="1" horizontalalignment="Left" width="42" grid.row="1">
IsChecked="{Binding Converter={StaticResource EnumGender},Path=Gender,Mode=TwoWay,ConverterParameter=Male}"/>
<radiobutton groupname="female" content="Female" height="16" horizontalalignment="Left" margin="56,27,0,0" name="FemaleRadioButton" verticalalignment="Top" grid.column="1" grid.row="1">
IsChecked="{Binding Converter={StaticResource EnumGender},Path=Gender,Mode=TwoWay,ConverterParameter=Female}"/>
</radiobutton></radiobutton></grid>
<datagrid autogeneratecolumns="False" height="200" horizontalalignment="Left" grid.row="1" margin="0,12,0,0" name="PersonDatagrid" verticalalignment="Top" width="498">
<datagrid.columns>
<datagridtextcolumn header="Name" width="100" binding="{Binding Name}" />
<datagridtextcolumn header="Gender" width="150" binding="{Binding Gender}" />
</datagrid.columns>
</datagrid>
</grid>
</window>
Code Behind Page :
Code Behind Page :
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.Shapes;
namespace SampleWPFApp
{
/// <summary>
/// Interaction logic for GridWindow.xaml
/// </summary>
public partial class GridWindow : Window
{
public GridWindow()
{
InitializeComponent();
PersonDatagrid.ItemsSource = new List<personalinfo> { new PersonalInfo { Gender = Genders.Female , Name = "Mariya"},
new PersonalInfo { Gender = Genders.Male , Name = "Martin"}};
}
}
public class PersonalInfo
{
public string Name { get; set; }
public Genders Gender { get; set; }
}
public enum Genders
{
Male = 1,
Female
}
}</personalinfo>
Converter class:
Converter class:
public class EnumBooleanConverter : IValueConverter
{
#region IValueConverter Members
public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
var ParameterString = parameter as string;
if (ParameterString == null)
return DependencyProperty.UnsetValue;
if (Enum.IsDefined(value.GetType(), value) == false)
return DependencyProperty.UnsetValue;
object paramvalue = Enum.Parse(value.GetType(), ParameterString);
return paramvalue.Equals(value);
}
public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
{
var ParameterString = parameter as string;
if (ParameterString == null)
return DependencyProperty.UnsetValue;
return Enum.Parse(targetType, ParameterString);
}
#endregion
}
If you find this as useful ...rate it and dont forget to mark as output
If you find this as useful ...rate it and dont forget to mark as output
See my answer over this post..i think your problem is same..
RadioButton Binding in WPF[^]
See my answer over this post..i think your problem is same..
RadioButton Binding in WPF[^]
You can use IValueConverter interface to achieve your requirement.
Have a look on this link.
You can use IValueConverter interface to achieve your requirement.
Have a look on this link.
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