how can I save HTML content of HTML editor in c#

Question

I used this code to open the HTML page in HTML editor in c#.

private void openToolStripMenuItem_Click(object sender, EventArgs e)
    {
        using (OpenFileDialog ofd = new OpenFileDialog() { Multiselect = 
false, ValidateNames = true, Filter = "HTML|*.html" })


            if (ofd.ShowDialog() == DialogResult.OK)
            {
                textBox1.Text = ofd.FileName;
                FileStream fs = new FileStream(ofd.FileName, FileMode.Open, FileAccess.Read);
                webBrowser1.DocumentStream = fs;

            }
    }

and also I used this code to save the changes

 private void saveToolStripMenuItem_Click(object sender, EventArgs e)
    {
        SaveFileDialog svf = new SaveFileDialog();
        svf.Filter = "Text Files (.html)|*.html";

        if (svf.ShowDialog() == DialogResult.OK)
        {
            System.IO.StreamWriter sw = new System.IO.StreamWriter(svf.FileName);

            sw.WriteLine(webBrowser1);
            sw.Close();
        }
    }

However, the only line is saved in my HTML page is this message: System.Windows.Forms.WebBrowser. Do you have any idea that how can I save the content of the HTML page? Thanks

This line sw.WriteLine(webBrowser1) is implicitly calling webBrowser1's ToString() method which gives you the content you're currently getting. You have to write webBrowser1's documentStream. — Isaac Kleinman
– Isaac Kleinman, Commented Dec 14, 2017 at 14:54

Sasha · Accepted Answer · 2017-12-15 11:10:03Z

1

The following should work as you require:

System.IO.StreamWriter sw = new System.IO.StreamWriter(svf.FileName); webBrowser1.DocumentStream.CopyTo(sw.BaseStream); sw.Flush(); sw.Close();

The reason yours does not work is because you're trying to write an object to a stream directly, which as stated implicitly calls the ToString() method.

edited Dec 15, 2017 at 11:10

answered Dec 14, 2017 at 14:58

Sasha

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1 Comment

David Over a year ago

CopyTo(sw): for the 'sw' inside the parenthesis it gave me this error: Argument1: Conot convert from 'system.IO.StreamWriter TO System.IO.stream

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