Windows Form กับ OpenFileDialog : การเปิด Browse และอัพโหลด Save ไฟล์ (VB.Net,C#)

Dim dlg As New OpenFileDialog()

OpenFileDialog dlg = new OpenFileDialog();

  Private Sub btnUpload_Click(sender As Object, e As EventArgs) Handles btnUpload.Click
        Dim strFolderPath As String = Application.StartupPath + "/myFile/"

        Dim dlg As New OpenFileDialog()
        If dlg.ShowDialog() = DialogResult.OK Then
            '*** Create Folder
            If Not Directory.Exists(strFolderPath) Then
                Directory.CreateDirectory(strFolderPath)
            End If

            '*** Save File
            Dim filePath As String = dlg.FileName
            Dim fileName As String = System.IO.Path.GetFileName(filePath)
            File.Copy(filePath, strFolderPath & fileName, True)

            MessageBox.Show("อัพโหลดไฟล์เรียบร้อยแล้ว")
        End If
    End Sub

        private void btnUpload_Click(object sender, EventArgs e)
        {
            string strFolderPath = Application.StartupPath + "/myFile/";

            OpenFileDialog dlg = new OpenFileDialog();
            if (dlg.ShowDialog() == DialogResult.OK)
            {
                //*** Create Folder
                if (!Directory.Exists(strFolderPath))
                {
                    Directory.CreateDirectory(strFolderPath);
                }

                //*** Save File
                string filePath = dlg.FileName;
                string fileName = System.IO.Path.GetFileName(filePath);
                File.Copy(filePath, strFolderPath + fileName, true);

                MessageBox.Show("อัพโหลดไฟล์เรียบร้อยแล้ว");
            }
        }

 dlg.Filter = "Image,Pdf Only|*.pdf;*.jpg;*.jpeg"

 dlg.Filter = "Image,Pdf Only|*.pdf;*.jpg;*.jpeg";

dlg.Multiselect = True

dlg.Multiselect = true;

   Private Sub btnUpload_Click(sender As Object, e As EventArgs) Handles btnUpload.Click
        Dim strFolderPath As String = Application.StartupPath + "/myFile/"

        Dim dlg As New OpenFileDialog()
        dlg.Filter = "Image,Pdf Only|*.pdf;*.jpg;*.jpeg"
        dlg.Multiselect = True
        If dlg.ShowDialog() = DialogResult.OK Then
            '*** Create Folder
            If Not Directory.Exists(strFolderPath) Then
                Directory.CreateDirectory(strFolderPath)
            End If

            '*** Save File
            For Each filePath As String In dlg.FileNames
                Dim fileName As String = System.IO.Path.GetFileName(filePath)
                File.Copy(filePath, strFolderPath & fileName, True)
            Next
            MessageBox.Show("อัพโหลดไฟล์เรียบร้อยแล้ว")
        End If
    End Sub

      private void btnUpload_Click(object sender, EventArgs e)
        {
            string strFolderPath = Application.StartupPath + "/myFile/";

            OpenFileDialog dlg = new OpenFileDialog();
            dlg.Filter = "Image,Pdf Only|*.pdf;*.jpg;*.jpeg";
            dlg.Multiselect = true;
            if (dlg.ShowDialog() == DialogResult.OK)
            {
                //*** Create Folder
                if (!Directory.Exists(strFolderPath))
                {
                    Directory.CreateDirectory(strFolderPath);
                }

                //*** Save File
                foreach (string filePath in dlg.FileNames)
                {
                    string fileName = System.IO.Path.GetFileName(filePath);
                    File.Copy(filePath, strFolderPath + fileName, true);
                }
                MessageBox.Show("อัพโหลดไฟล์เรียบร้อยแล้ว");
            }
        }