ascx grid view export to PDF

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ascx grid view export to PDF

Sep 16, 2020 04:33 PM|jula|LINK

How to export ascx page gridview display to PDF?Usning below code GrdView1 loaded data sucessfully.Now When click export button same gridview data need to export to PDF.I tried many example available in different forums but nothing works out in ascx page.

SqlDataSource1.SelectCommand = "Query"
SqlDataSource1.Select(DataSourceSelectArguments.Empty)
SqlDataSource1.DataBind()
GrdView1.DataBind()

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mgebhard

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53081 Points

23655 Posts

Re: ascx grid view export to PDF

Sep 16, 2020 04:43 PM|mgebhard|LINK

Generally, a PDF API is used to generate a PDF. What PDF API are you using?

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yij sun

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3730 Points

1431 Posts

Re: ascx grid view export to PDF

Sep 17, 2020 05:35 AM|yij sun|LINK

Hi jula,

jula
.I tried many example available in different forums but nothing works out in ascx page.

Could you tell us where do you add the codes of export to PDF?Do you have errors?

I suggest you could use iTextSharp to fix it.Since you don't post your codes,I have created a demo for you.

Usercontrol.ascx:

<%@ Control Language="C#" AutoEventWireup="true" CodeBehind="WebUserControl1.ascx.cs" Inherits="Demo.WebUserControl1" %>

<asp:GridView ID="GridView1" runat="server"></asp:GridView>

Usercontrol.ascx Code-Behind:

protected void Page_Load(object sender, EventArgs e)
        {
            if (!this.IsPostBack)
            {
                DataTable dt = new DataTable();
                dt.Columns.AddRange(new DataColumn[3] { new DataColumn("Id", typeof(int)),
                            new DataColumn("Name", typeof(string)),
                            new DataColumn("Country",typeof(string)) });
                dt.Rows.Add(1, "John Hammond", "United States");
                dt.Rows.Add(2, "Mudassar Khan", "India");
                dt.Rows.Add(3, "Suzanne Mathews", "France");
                dt.Rows.Add(4, "Robert Schidner", "Russia");
                GridView1.DataSource = dt;
                GridView1.DataBind();
            }
        }

Aspx page:

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="2170738.aspx.cs" Inherits="Demo._2170738" %>
<%@ Register Src="WebUserControl1.ascx" TagPrefix="uc1" TagName="WebUserControl1" %>  
<!DOCTYPE html>

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>
</head>
<body>
    <form id="form1" runat="server">
        <div>
            <uc1:WebUserControl1 runat="server" id="WebUserControl1" />
        <asp:Button ID="Button1" runat="server" Text="Button" OnClick="Button1_Click"/>
        </div>
    </form>
</body>
</html>

Aspx Code-Behind:

protected void Button1_Click(object sender, EventArgs e)
        {
           GridView gv = (GridView)WebUserControl1.FindControl("GridView1");
            Response.AddHeader("content-disposition", "attachment;filename=Vithal_Wadje.pdf");
            Response.Cache.SetCacheability(HttpCacheability.NoCache);
            StringWriter sw = new StringWriter();
            HtmlTextWriter hw = new HtmlTextWriter(sw);
            gv.RenderControl(hw);
            StringReader sr = new StringReader(sw.ToString());
            Document pdfDoc = new Document(PageSize.A4, 10f, 10f, 10f, 0f);
            HTMLWorker htmlparser = new HTMLWorker(pdfDoc);
            PdfWriter.GetInstance(pdfDoc, Response.OutputStream);
            pdfDoc.Open();
            htmlparser.Parse(sr);
            pdfDoc.Close();
            Response.Write(pdfDoc);
            Response.End();
            gv.AllowPaging = true;
            gv.DataBind();
        }
        public override void VerifyRenderingInServerForm(Control control)
        {
            /* Confirms that an HtmlForm control is rendered for the specified ASP.NET
               server control at run time. */
        }

More details,you could refer to below article:

https://www.c-sharpcorner.com/UploadFile/0c1bb2/export-gridview-to-pdf/

https://forums.asp.net/t/2055132.aspx?ascx+page+have+a+grid+that+grid+data+to+be+export+to+pdf+excel+and+print+inside+the+aspx+page+that+page+inside+of+master+page+

Best regards,

Yijng Sun

.NET forums are moving to a new home on Microsoft Q&A, we encourage you to go to Microsoft Q&A for .NET for posting new questions and get involved today.

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jula