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ASP.Net: Export to HTML file and save with save file dialog in C#.

So continuing from my exporting sample series here I am narrating how to export data to HTML file in C#, ASP.Net. For this example I’ll use same “GetData” method (to get the data for exporting) which we had used in Export to Excel example, you can use your own method to get data.

/// <summary>
/// Export to Html
/// </summary>
public static void ExportHtmlFile()
{
    const string format = "<tr><td>{0}</td><td>{1}</td><td>{2}</td><td>{3}</td></tr>";

    var sb = new StringBuilder();

    sb.AppendFormat("<h1 style='font-size: 18px;font-weight: bold;'>{0}</h1>"
        , "Export HTML Sample");
    sb.Append("<table style='width:500px;'>");

    sb.AppendFormat(format
        , "First Name"
        , "Last Name"
        , "Email Address"
        , "City");

    var records = GetData();

    foreach (var record in records)
    {
        sb.AppendFormat(format
            , record.FirstName
            , record.LastName
            , record.Email
            , record.City);
    }

    sb.Append("</table>");

    //Get current response
    var response = HttpContext.Current.Response;
    response.BufferOutput = true;

    //clear response
    response.Clear();
    response.ClearHeaders();
    response.ContentEncoding = Encoding.Unicode;

    //proivde file name as "Test_Data.html"
    response.AddHeader("content-disposition", "attachment; filename=Test_Data.html");
    response.ContentType = "text/html";
    response.Write(sb.ToString());
    response.End();
}

And we can see result here:

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