the document has no page; cannot export to pdf

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hi all,

public override void VerifyRenderingInServerForm(Control control)
{
/* Verifies that the control is rendered */
}

protected void exportPDF_Click(object sender, EventArgs e)
{

Response.ContentType = "application/pdf";
Response.AddHeader("content0disposition",
"attachment;filename=Report.pdf");
Response.Cache.SetCacheability(HttpCacheability.NoCache);
StringWriter sw = new StringWriter();
HtmlTextWriter hw = new HtmlTextWriter(sw);
gd_dt.AllowPaging = false;
gd_dt.DataBind();
gd_dt.RenderControl(hw);
gd_dt.HeaderRow.Style.Add("width", "15%");
gd_dt.HeaderRow.Style.Add("font-size", "10px");
gd_dt.Style.Add("text-decoration", "none");
gd_dt.Style.Add("font-family", "Arial, Helvetica, sans-serif");
gd_dt.Style.Add("font-size", "8px");
StringReader sr = new StringReader(sw.ToString());
StreamReader reader = new StreamReader(new MemoryStream(Encoding.ASCII.GetBytes(sw.ToString())));
Document pdfDoc = new Document(PageSize.A2, 7f, 7f, 7f, 0f);
HTMLWorker htmlparser = new HTMLWorker(pdfDoc);
PdfWriter.GetInstance(pdfDoc, Response.OutputStream);
pdfDoc.Open();
htmlparser.Parse(reader);
pdfDoc.Close();
Response.Write(pdfDoc);
Response.End();

}

pls help me.i'mtotally lost!

musiw.

Posted 11-Jun-12 21:05pm

musiw

Updated 11-Jun-12 22:18pm

v2

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Comments

Sandeep Mewara 12-Jun-12 3:14am

This is not a well framed question! We cannot work out what you are trying to do/ask from the post. Please elaborate and be specific.
Use the "Improve question" link to edit your question and provide better information.

Vani Kulkarni 12-Jun-12 4:35am

What is the error are you encountering with?

musiw 12-Jun-12 5:05am

the error is:the document has no page at line pdf.close(); i dont understand why

1 solution

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Treat my content as plain text, not as HTML

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Pandvi · Accepted Answer · 2012-06-11T22:34:00

Solution 1

Your question is to export html to PDF. Here is a similar discussion, please first have a check: export html to Pdf[^]

Posted 11-Jun-12 22:34pm

Pandvi

Comments

musiw 12-Jun-12 22:02pm

im using spire.i get from the link you gave. btw you know how to export datatable to landscape page in pdf?? right now im able to export it to pdf.but its not full.my gridview is long.in pdf it seem like it is half cut

Pandvi 12-Jun-12 22:24pm

//Create a pdf document.
PdfDocument doc = new PdfDocument();

String url = "your url";

PdfSection section = doc.Sections.Add();
section.LoadFromHTML(url, false, true, new Spire.Pdf.HtmlConverter.PdfHtmlLayoutFormat
{
FitToHtml = Spire.Pdf.HtmlConverter.Clip.Both,
Layout = Spire.Pdf.Graphics.PdfLayoutType.OnePage
});
//Save pdf file.
doc.SaveToFile("FromHTML.pdf");
doc.Close();
System.Diagnostics.Process.Start("FromHTML.pdf");

musiw 12-Jun-12 22:41pm

this is the code:

SqlConnection myConnection = new SqlConnection(connectionString);
SqlCommand Command = new SqlCommand();
Command.CommandText = "select origin,report,react_delay as 'reactionary delay',responsibility,actions from signals_comm_failure where date = '" + TextBox1.Text + "' and id_class=1";
Command.Connection = myConnection;
using (SqlDataAdapter da = new SqlDataAdapter(Command))
{
DataTable dt = new DataTable();
da.Fill(dt);
gd_dt.DataSource = dt;
}
Spire.DataExport.PDF.PDFExport PDFExport = new Spire.DataExport.PDF.PDFExport();
PDFExport.DataSource = Spire.DataExport.Common.ExportSource.DataTable;
PDFExport.DataTable = this.gd_dt.DataSource as DataTable;
PDFExport.ActionAfterExport = Spire.DataExport.Common.ActionType.OpenView;
PDFExport.SaveToFile("Report.pdf");

i want it to display in landscape page format.and 1 more thing; actually i have multiple gridview in multiple tab container.how can i export that multiple gridview into pdf?

the code that spire give only for 1 gridview.really hope that you can help me.

Pandvi 12-Jun-12 23:21pm

Before you SaveToFile(), please add this line of code:

PdfExport.PDFOptions.PageOptions.Orientation = Spire.DataExport.Common.PageOrientation.Landscape;

musiw 13-Jun-12 0:22am

done.i already done that line.it works. but 1 more thing, how to export multiple gridview to pdf.the code only convert 1 gridview