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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

XML
<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

C#
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
C#
private void PersonDatagrid_MouseDoubleClick(object sender, MouseButtonEventArgs e)
        {
            this.DataContext = PersonDatagrid.SelectedItem as PersonBO;
        }
Posted
Updated 21-Aug-12 20:03pm
v4
Comments
jay_1493 28-Jan-17 0:27am    
please sher above code in xaml.cs file ....

Hi Kunjammu,
You can find the solution here...

XAML Page :

XML
<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 :

C#
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:

C#
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
 
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Comments
Kunjammu 22-Aug-12 5:23am    
The above code is great and i created like that and i got the result. But i am populating my datagrid using the following code

_dbHandler.AddParameter("@PersonID", PersonID);
DataSet ds = _dbHandler.GetData("dbo.PersonRetrieve");
var result = from column in ds.Tables[0].AsEnumerable()
select new PersonBO
{
PersonID = Convert.ToInt32(column["PersonID"]),
Name = column["Name"].ToString(),
FatherName = column["FatherName"].ToString(),
State = column["State"].ToString(),
District = column["District"].ToString(),
DOB = Convert.ToDateTime(column["DOB"]),
Gender = Convert.ToBoolean(column["Gender"])
};
PersonDatagrid.ItemsSource=result.

but after doing like you said , a compilation error shows at Gender(cannot implicitely convert the type Genders to boolean.

How can i convert column["Gender"] to the type Genders
Prabhakaran Soundarapandian 22-Aug-12 5:32am    
Gender = Convert.ToBoolean(column["Gender"]) ? Genders.Male :Genders.Female

If you find this as useful ...rate it and dont forget to mark as output
Kunjammu 22-Aug-12 5:37am    
Thank you so much.....its working fine...:D:D:D
Prabhakaran Soundarapandian 22-Aug-12 5:50am    
Welcome...
See my answer over this post..i think your problem is same..
RadioButton Binding in WPF[^]
 
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Comments
Kunjammu 22-Aug-12 0:48am    
no.i have a datagrid with a column GENDER. when double click on datagrid rows, if the gender is Male , then MaleRadioButton should select
i used IValueConverter like below
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;
}
}

but not working...
ridoy 22-Aug-12 1:39am    
then you need to use..
if (parameter.ToString() == "Male")
{
MaleRadioButton.isChecked=true;
}
Kunjammu 22-Aug-12 2:05am    
this is a seperate class.Radiobutton is not available here
You can use IValueConverter interface to achieve your requirement.
Have a look on this link.
 
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Comments
Kunjammu 22-Aug-12 0:49am    
i used IValueConverter like below
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;
}
}

but not working...
Prabhakaran Soundarapandian 22-Aug-12 0:53am    
Are you able to debug your code? and your break-point is hitting or not ?..show your XAML code...
Kunjammu 22-Aug-12 1:00am    
yes. i am able to debug. when double click on row breakpoint in Convert hits

<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" />

<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}">
Kunjammu 22-Aug-12 1:01am    
can you able to see my xaml code??
Prabhakaran Soundarapandian 22-Aug-12 1:06am    
Here i cant find your call for Ivalueconverter keyname..

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