How to get the button text of dynamically created button in Windows Phone 8 C#

In my windows phone application I have created buttons dynamically like below:

using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Navigation;
using Microsoft.Phone.Controls;
using Microsoft.Phone.Shell;
using Microsoft.Phone.UserData;
using System.Windows.Media;
using Microsoft.Phone.Maps.Controls;
using System.Collections.ObjectModel;
using System.Collections;

namespace GetContacts
    public partial class createGroups : PhoneApplicationPage
        string buttonName = "";
        public static ObservableCollection<Group> groupbtn;

        public createGroups()
            groupbtn = new ObservableCollection<Group>();

        private void btn_groupname_Click(object sender, RoutedEventArgs e)
            if (tb_groupname.Text != string.Empty)
                groupbtn.Add(new Group { Name = tb_groupname.Text });
                buttonName = tb_groupname.Text;
                lb_groupofcontacts.DataContext = groupbtn;
                tb_groupname.Text = string.Empty;
        private void btn_Click(object sender, RoutedEventArgs e) // button click Event
         // some code               

below is xaml code:

<Grid x:Name="LayoutRoot" Background="Transparent">
        <RowDefinition Height="Auto"/>
        <RowDefinition Height="*"/>

    <!--TitlePanel contains the name of the application and page title-->
    <StackPanel Grid.Row="0" Margin="12,17,0,28">
        <TextBlock Text="people" Style="{StaticResource PhoneTextTitle1Style}"/>
        <TextBlock Text="Groups" Margin="9,-7,0,0" Style="{StaticResource PhoneTextLargeStyle}"/>

    <!--ContentPanel - place additional content here-->
    <Grid x:Name="ContentPanel" Grid.Row="1" Margin="24,0,0,0">
        <TextBox x:Name="tb_groupname"

             Foreground="Blue" TextChanged="tb_groupname_TextChanged" GotFocus="tb_groupname_GotFocus" LostFocus="tb_groupname_LostFocus"/>
        <Button x:Name="btn_groupname"
                VerticalAlignment="Top" Click="btn_groupname_Click"></Button>
        <ListBox x:Name="lb_groupofcontacts" ItemsSource="{Binding}" Margin="0,118,0,0">
                    <StackPanel Orientation="Horizontal">
                        <Button Name="btnGroups" Content="{Binding Name}" Width="200" Height="200" Click="btn_Click"/> // button click Event

In the above code ObservableCollection<Group> groupbtn have buttons and put it into the groupofcontacts listbox and its working fine. but I want to get the button text of clicked button because ObservableCollection<Group> groupbtn have one or more buttons so I need to get the button text of clicked button. Kindly suggest me. waiting for reply. Thanks.


In btn_click, the sender variable should be the button object that was clicked. Cast it as a Button, then access it's Content property from there.

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