Example of csharp utility function to remove white spaces from HTML string. This is done with help of Regex class of dotnet framework.

private static readonly Regex RegexBetweenTags = new Regex(@">s+", RegexOptions.Compiled);
private static readonly Regex RegexLineBreaks = new Regex(@"ns+", RegexOptions.Compiled);

public static string RemoveHtmlWhitespace(string html)
{
    if (string.IsNullOrEmpty(html))
    {
        return string.Empty;
    }

    html = RegexBetweenTags.Replace(html, "> ");
    html = RegexLineBreaks.Replace(html, string.Empty);

    return html.Trim();
}