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bhai pls share krdo exe file nhi ban rhi

where is the error in this cod plz identify 

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.xml.linq;
using System.IO;

namespace BS150201907
/// <summary>
/// Interaction logic for MainWindow.xaml
/// </summary>
public partial class MainWindow : Window
public MainWindow()

private void buttonsave_Click(object sender, RoutedEventArgs e)
xdocument xdoc;
string myfile = "bs150201907.xml";
if (!File.Exists(myfile))
xdoc = new xdocument(new xelement("xml"));;
xdoc = xdocument.load(myfile);

xdoc.element("xml").Add(new Xelement("data", new xattribute("name", textboxname.text),
new xattribute("student id", textboxstudentid.text),
new xattribute("cgpa", textboxcgpa.text),
new xattribute("semester", textboxsemester.text),
));;"Data Saved Successfully!");

private void buttonreset_Click(object sender, RoutedEventArgs e)


guys i'm having this problem how can i solve it


Soft Skills Bro Help me look at screenshot then tell me what should I do now ?

Solution plz



aoa dear
save and reset button kam ni kr rhy
xml file b ni ban rhi
plz help

main itny din sy try kr rahi hu but visual studio install nahi ho raha error aa jata hai k product key match nahi kr rahi

try community edition

Dear Students Don’t wait for solution post your problems here and discuss ... after discussion a perfect solution will come in a result. So, Start it now, replies here give your comments according to your knowledge and understandings....

ma shaa Allah bht hi zabardast explainantion Sir.

Thank you 


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