Why the VisualStudio Closing when i write this Wpf xmal code?

Question

Hai,
i have written a code in wpf to show the Exponential , by accepting the two numbers
for that i have created one converter function and code..
but when after writing this code it showing error like
"Microsoft Visual Studio encountered a problem and it has to Closed"..then when we click on Don't send it closes the Vs2010.
What might be the problem for that? the code is attached here...
 

namespace WpfTutSamples { /// <summary> /// Interaction logic for Exponential.xaml /// </summary> public partial class Exponential : Window { public Exponential() { InitializeComponent(); } public double GetValue(double number, double exponent) { double value = Math.Pow(number, exponent); return value;   } } }     -----XmlCode   <Window x:Class="WpfTutSamples.Exponential" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:local="clr-namespace:WpfTutSamples" xmlns:sys="clr-namespace:System;assembly=mscorlib" Title="Exponential" Height="300" Width="300"> <Window.Resources> <ObjectDataProvider x:Key="expCalculator" MethodName="GetValue" ObjectType="{x:Type local:Exponential}"> <ObjectDataProvider.MethodParameters> <sys:Double>4</sys:Double> <sys:Double>2</sys:Double> </ObjectDataProvider.MethodParameters> </ObjectDataProvider> </Window.Resources>   <Grid>   <Label Content="Number" HorizontalAlignment="Left" VerticalAlignment="Top" Margin="2"> </Label>   <TextBox HorizontalAlignment="Left" x:Name="txtNumber" Height="30" VerticalAlignment="Top" Margin="70,1" Width="60" Text="{Binding Source={StaticResource expCalculator}, Path=MethodParametes[0], Mode=OneWayToSource, BindsDirectlyToSource=True}"></TextBox>   <Label Content="Number" HorizontalAlignment="Left" VerticalAlignment="Top" Margin="2,40"> </Label> <TextBox HorizontalAlignment="Left" x:Name="txtpower" Height="30" VerticalAlignment="Top" Margin="70,40" Width="60" Text="{Binding Source={StaticResource expCalculator}, Path=MethodParametes[1], Mode=OneWayToSource, BindsDirectlyToSource=True}"></TextBox>   <Label Content="Result" HorizontalAlignment="Left" VerticalAlignment="Top" Margin="2,80"> </Label> <TextBox HorizontalAlignment="Left" x:Name="txtResult" Height="30" VerticalAlignment="Top" Margin="70,80" Width="60" Text="{Binding Source={StaticResource expCalculator}}"></TextBox>   </Grid> </Window>