C#

<TextBox Height="23" HorizontalAlignment="Left" Margin="126,167,0,0" Name="textBox1" VerticalAlignment="Top" Width="120" Text="{Binding ElementName=comboBox1, Path=SelectedValue}"/>
        <ComboBox Height="23" HorizontalAlignment="Left" Margin="132,62,0,0" Name="comboBox1" VerticalAlignment="Top" Width="180" ItemsSource="{Binding CMBItems}" />

public List<string> CMBItems
        {
            get
            {
                return new List<string> { "a","b","c","d"};
            }
        }

Thankx alot.I treid as you have said.But still the same mistake appears .I will paste my code lines
=================================================
class.cs
--------

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Diagnostics;

namespace WpfApplication16
{
public class Class1
{
string lname = "Di";
public string MyProperty
{
get { return lname; }
set
{

//comboBox1.SelectedItem.ToString();
lname = Convert.ToString(value);

Debug.WriteLine("----------------------------->>>" + lname);

}
}


}
}


======================================================
MainWindow.xaml
---------------

<Window x:Class="WpfApplication16.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:local="clr-namespace:WpfApplication16"
        Title="MainWindow" Height="350" Width="525">
    <Window.Resources>
        <local:Class1 x:Key="a" />
    </Window.Resources>


    <Grid>
       <ComboBox Height="34" HorizontalAlignment="Left" Margin="82,24,0,0" Name="comboBox1" VerticalAlignment="Top" Width="318" SelectedItem="{Binding Path=MyProperty, Source={StaticResource a}}" DataContext="{Binding Source={StaticResource a}}" ItemsSource="{Binding Source={StaticResource a}, Path=MyProperty.Length}" DisplayMemberPath="{Binding Path=MyProperty}">
            <ComboBoxItem Content="Cat"/>
            <ComboBoxItem Content="fish" />
            <ComboBoxItem Content="dog" />
        </ComboBox>

     
       
      
 <TextBox Height="58" HorizontalAlignment="Left" Margin="89,157,0,0" Name="textBox1" VerticalAlignment="Top" Width="338" DataContext="{Binding Source={StaticResource a}}" Text="{Binding Path=MyProperty, BindsDirectlyToSource=True}" />

    </Grid>
</Window>


















=======================================================
MainWindow.xaml.cs
-------------------

using System;
using System.Collections.Generic;
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.Navigation;
using System.Windows.Shapes;
using System.Diagnostics;

namespace WpfApplication16
{
///

/// Interaction logic for MainWindow.xaml
///

public partial class MainWindow : Window
{
public MainWindow()
{
InitializeComponent();}

public string lname { get; set; }

private void comboBox1_SelectionChanged(object sender, SelectionChangedEventArgs e)
{

}
}
}


This is the coding of my full test project example...If possible try to run this ad tel me what should be done.
Thank you

using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;

namespace WpfApplication1
{
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
            this.DataContext = this;
        }

        public List<string> CMBItems
        {
            get
            {
                return new List<string> { "a","b","c","d"};
            }
        }
    }
}

<Window x:Class="WpfApplication1.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="MainWindow" Height="350" Width="525">
    <Grid>
        <TextBox Height="23" HorizontalAlignment="Left" Margin="126,167,0,0" Name="textBox1" VerticalAlignment="Top" Width="120" Text="{Binding ElementName=comboBox1, Path=SelectedValue}"/>
        <ComboBox Height="23" HorizontalAlignment="Left" Margin="132,62,0,0" Name="comboBox1" VerticalAlignment="Top" Width="180" ItemsSource="{Binding CMBItems}" />
    </Grid>
</Window>

Member 1439977 wrote:

Has anyone seen this type of problem?

SomeCommand.CommandText = @"
SELECT *
  FROM Bla
 WHERE SomeDate BETWEEN @StartDate AND @EndDate";
SomeCommand.Parameters.AddWithValue("@StartDate", DateTime.Now);
SomeCommand.Parameters.AddWithValue("@EndDate", DateTime.Now.AddDays(-30));

Bastard Programmer from Hell

string filter = " (Date >= #" + dateTimePicker1.Value.ToString("yyyy-MM-dd") + "# And Date <= #" + dateTimePicker2.Value.ToString("yyyy-MM-dd") + "# ) ";

Font font = new Font("Verdana", 12.0F);
private void myPanel_Paint(object sender, PaintEventArgs e)
    {
    Graphics g = e.Graphics;
    g.DrawString("Hello", font, Brushes.Black, 10, 10);
    Matrix m = new Matrix();
    m.Scale(2, 1);
    g.Transform = m;
    g.DrawString("Hello", font, Brushes.Black, 10, 30);
    g.ResetTransform();
    m = new Matrix();
    m.Scale(1.5F, 1);
    g.Transform = m;
    g.DrawString("Hello", font, Brushes.Black, 10, 60);
    g.ResetTransform();
    }