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how can i correct it C#

Error      1      Unable to copy file "obj\x86\Debug\WindowsFormsApplication3.exe" to "bin\Debug\WindowsFormsApplication3.exe". The process cannot access the file 'bin\Debug\WindowsFormsApplication3.exe' because it is being used by another process.      WindowsFormsApplication3

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.IO;

namespace WindowsFormsApplication1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            FolderBrowserDialog dlg = new FolderBrowserDialog();
            if (dlg.ShowDialog() == DialogResult.OK)
            {
                sorrceTextbox.Text = dlg.SelectedPath;
            }


        }


        private void textBox1_TextChanged(object sender, EventArgs e)
        {

        }

        private void button2_Click(object sender, EventArgs e)
        {
            FolderBrowserDialog dlg2 = new FolderBrowserDialog();
            if (dlg2.ShowDialog() == DialogResult.OK)
            {
                sorrceTextbox.Text = dlg2.SelectedPath;
            }

        }
    }
}

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teera
Asked:
teera
3 Solutions
 
teeraAuthor Commented:
what is

 private void textBox1_TextChanged(object sender, EventArgs e)
        {

        }

it do  can i delete it


private void button1_Click(object sender, EventArgs e)
        {
            FolderBrowserDialog dlg = new FolderBrowserDialog();
            if (dlg.ShowDialog() == DialogResult.OK)
            {
                sorrceTextbox.Text = dlg.SelectedPath;
            }


        }


        private void textBox1_TextChanged(object sender, EventArgs e)
        {

        }

        private void button2_Click(object sender, EventArgs e)
        {
            FolderBrowserDialog dlg2 = new FolderBrowserDialog();
            if (dlg2.ShowDialog() == DialogResult.OK)
            {
                destTextbox.Text = dlg2.SelectedPath;
            }

        }

        private void textBox2_TextChanged(object sender, EventArgs e)
        {

        }

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mkobrinCommented:
private void textBox1_TextChanged(object sender, EventArgs e)
        {

        }

is automatically created by visual studio when you double click on the text box. You can delete it, but after deleting it if you compile you may receive an error, because it is being referenced in the designer, so before you delete it, right click and select the option to find all references, delete the reference in the designer, and then come back and delete it.
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Richard LeeSoftware EnthusiastCommented:
If your application is already Running or the EXE file is lock for whatever reason then your application will not build since Visual Studio is trying to recreate the EXE and its currently locked.

Also when working with FolderBrowserDialog you should use it like this so the resources get disposed when the operation is complete.

BTW do you have two Visual Studio instances opened with the same Solution loaded?

DaTribe
using(FolderBrowserDialog dialog = new FolderBrowserDialog())
{
     if (dialog.ShowDialog() == DialogResult.OK)
     {
           destTextbox.Text = dialog.SelectedPath;
     }
}

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teeraAuthor Commented:
thank all
0
 
Richard LeeSoftware EnthusiastCommented:
Always glad to help Teera.
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