I'm having the following error while trying to save a text file
Empty Path is Not Legal
I'm really confused about that
Thanks in advance .. :)
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.IO;
using System.Windows.Forms;
namespace Filing
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        private void Form1_Load(object sender, EventArgs e)
        {
        }
        private void button_Save_Click(object sender, EventArgs e)
        {
            
            SaveFileDialog file = new SaveFileDialog();
            file.Filter = "Text (*.txt) | Word File *.doc";
            file.Title = "Save a file";
            // string FileName = file.FileName;
            File.WriteAllText(file.FileName, richTextBox1.Text);
 
            file.ShowDialog();
        }
        private void button_exit_Click(object sender, EventArgs e)
        {
            this.Close();
        }
    }
}