Browse and upload a file in folder in window form

using (OpenFileDialog dlg = new OpenFileDialog())
                {

                    dlg.Filter = "JPG Files (*.jpg)|*.jpg|JPEG Files (*.jpeg)|*.jpeg|bmp Files (*.bmp)|*.bmp|PNG Files (*.png)|*.png|GIF Files (*.gif)|*.gif";
                    if (dlg.ShowDialog() == DialogResult.OK)
                    {
                        FileInfo file = new FileInfo(dlg.FileName);

                        if (file.Length == 0)
                        {
                            MessageBox.Show("Invalid image. Please select valid image.", Application.ProductName, MessageBoxButtons.OK, MessageBoxIcon.Information);
                            return;
                        }
                        else if (file.Length > 2097152)
                        {
                            MessageBox.Show("Image size cannot exceed 2MB.", Application.ProductName, MessageBoxButtons.OK, MessageBoxIcon.Information);
                            return;
                        }
                        //SAVE YOUR FILE HERE. IN  THIS CASE IT WILL BE IMAGE

                    }

                }