C#

<lectures>
   <lecture>
       <speakername>
       </speakername>      

       <subject>
       </subject>
    
       <date>
       </date>

       <time>
       </time>

       <location>
       </location>
   </lecture>
</lectures>

using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes;
using Microsoft.Phone.Controls;

namespace PhoneAppSolution
{
    public partial class MainPage : PhoneApplicationPage
    {
        int count = 0;
        //remember what the user typed for future actuvations or launches:
        Setting<int> savedCount = new Setting<int>("SavedCount", 0);

        // Constructor
        public MainPage()
        {
            InitializeComponent();
        }

        //Handle a tap anywhere on the page (other than button)
        protected override void OnMouseLeftButtonDown(MouseButtonEventArgs e)
        {
            base.OnMouseLeftButtonDown(e);
            this.count++;
            this.CountTextBlock.Text = this.count.ToString("NO");
        }
            //Handle a tap on the button
            void ResetButton_Click(object sender, RoutedEventArgs e)
            {
                this.count = 0;
                this.CountTextBlock.Text = this.count.ToString("NO");
            }
        protected override void OnNavigatedFrom(System.Windows.Navigation.NavigationEventArgs e)
{
     base.OnNavigatedFrom(e);
            // Persist state when leaving for any reason (Deactivated or Closing)
            this.savedCount.Value = this.count;
        }
        protected override void OnNavigatedTo(System.Windows.Navigation.NavigationEventArgs e)
{
     base.OnNavigatedTo(e);
            // restore persisted value state:
            this.count = this.savedCount.Value;
            this.CountTextBlock.Text = this.count.ToString("NO");

}
}
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO.IsolatedStorage;

namespace PhoneAppSolution
{
    public class Setting<num>
    {
        string name;
        num value;
        num defaultValue;
        bool hasValue;
        public Setting(string name, num defaultValue)
        {
            this.name = name;
            this.defaultValue = defaultValue;
        }

        public num Value
        {
            get
            {
                //check for cached value
                if(!this.hasValue)
                {
                    // try to get value from isolated storage
                    if (!IsolatedStorageSettings.ApplicationSettings.TryGetValue(
                        this.name, out this.value))
                    {
                        //if this hasn't yet set
                        this.value = this.defaultValue;
                        IsolatedStorageSettings.ApplicationSettings[this.name] = this.value;
                    }
                    this.hasValue = true;
                }
                return this.value;
            }

            set
            {
                //save the value to isolated storage
                IsolatedStorageSettings.ApplicationSettings[this.name] = value;
                this.value = value;
                this.hasValue = true;

            }
        }

        public num DefaultValue
        {
            get { return this.DefaultValue; }
        }

        // "clear" cached value:
        public void ForceRefresh()
        {
            this.hasValue = false;
        }
    }
}

<phone:PhoneApplicationPage
    x:Class="PhoneAppSolution.MainPage"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:phone="clr-namespace:Microsoft.Phone.Controls;assembly=Microsoft.Phone"
    xmlns:shell="clr-namespace:Microsoft.Phone.Shell;assembly=Microsoft.Phone"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    mc:Ignorable="d" d:DesignWidth="480" d:DesignHeight="768"
    FontFamily="{StaticResource PhoneFontFamilyNormal}"
    FontSize="{StaticResource PhoneFontSizeHuge}"
    Foreground="{StaticResource PhoneForegroundBrush}"
    SupportedOrientations="PortraitOrLandscape" Orientation="Portrait"
    shell:SystemTray.IsVisible="True">

    <!--LayoutRoot is the root grid where all page content is placed-->
    <Grid x:Name="LayoutRoot" >
        <Grid.RowDefinitions>
            <RowDefinition Height="Auto"/>
            <RowDefinition Height="*"/>
        </Grid.RowDefinitions>

        <!--TitlePanel contains the name of the application and page title-->
        <StackPanel x:Name="TitlePanel" Margin="12,17,0,28" Grid.ColumnSpan="2">
            <TextBlock x:Name="ApplicationTitle" Text="Tally" Style="{StaticResource PhoneTextNormalStyle}"/>
            <TextBlock x:Name="PageTitle" Text="tap to count" Margin="9,-7,0,0" Style="{StaticResource PhoneTextTitle1Style}"/>
        </StackPanel>

        <!--Row 1 text block containg count-->
            <TextBlock x:Name="CountTextBlock" Grid.Row="1" TextAlignment="Center" Text="0" Grid.ColumnSpan="2" />
        <!-- Row 2 : the reset button-->
            <Button x:Name="ResetButton" Grid.Row="1" Click="ResetButton_Click" Content="reset" Margin="21,343,1,143" />
    </Grid>

</phone:PhoneApplicationPage>

Quote:

on web site it will automatic detect profile at web config, so how to make web application can detect, anyone can help me it very hard for me?

based on this example if convert to web applicaion, it also cant detect profile at webconfig,so how to slove it