如何在将gridview数据转换为pdf时添加图像 [英] how to add image while converting gridview datas to pdf
问题描述
这个i的代码将数据从gridview转换为pdf文件格式....我从后端将数据转换为数据表,并将数据表值设置为手动创建的gridview ...代码将数据转换为pdf文件完美....现在我想在数据之前添加logo如何添加它....请尽快帮助我.......
使用系统;
使用System.Collections.Generic;
使用System.Linq;
使用System.Web;
使用System.Web.UI;
使用System.Web.UI.HtmlControls;
使用System.Web.UI.WebControls;
使用System.Web.UI.WebControls。 WebParts;
使用System.Globalization;
使用VMSBusiness;
使用System.Net;
使用System。 IO;
使用System.Data;
使用iTextSharp.text;
使用iTextSharp.text.pdf;
使用iTextSharp.text.html.simpleparser;
使用System.Web.Configuration;
名称空间VMSWeb
{
public class exporttopdf
{
public void GetPdfReport(string filename,DataTable dt1 )
{
使用(StringWriter sw = new StringWriter())
{
using(HtmlTextWriter hw = new HtmlTextWriter(sw))
{
HttpContext.Current.Response.Clear();
HttpContext.Current.Response.AddHeader( content-disposition,attachment; fileName =+ filename +);
HttpContext.Current.Response.ContentType =application / pdf;
HttpContext.Current .Response.Cache.SetCacheability(HttpCacheability.NoCache);
GridView gvpdf = new GridView();
gvpdf.DataSource = dt1;
gvpdf.DataBind();
gvpdf.AllowPaging = false;
gvpdf.RenderControl(hw);
StringReader sr = new StringReader (sw.ToString());
文档pdfDoc =新文档(PageSize.A2,10f,10f,10f,0f);
HTMLWorker htmlparser = new HTMLWorker(pdfDoc );
PdfWriter.GetInstance(pdfDoc,HttpContext.Current.Response.OutputStream);
pdfDoc.Open();
htmlparser.Parse (sr);
pdfDoc.Close();
HttpContext.Current.Response.Write( pdfDoc);
HttpContext.Current.Response.End();
}
}
}
}
}
this the code for i convert datas from gridview to pdf file format.... i get the data's from backend asign to datatable and asign the datatable values to manually created gridview... the code convert the data's as pdf file perfectly .... now i want add logo before the data how can i add it.... Please help me asap....... 这篇关于如何在将gridview数据转换为pdf时添加图像的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!
itextsharp-将图像插入pdf
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Globalization;
using VMSBusiness;
using System.Net;
using System.IO;
using System.Data;
using iTextSharp.text;
using iTextSharp.text.pdf;
using iTextSharp.text.html.simpleparser;
using System.Web.Configuration;
namespace VMSWeb
{
public class exporttopdf
{
public void GetPdfReport(string filename,DataTable dt1)
{
using (StringWriter sw = new StringWriter())
{
using (HtmlTextWriter hw = new HtmlTextWriter(sw))
{
HttpContext.Current.Response.Clear();
HttpContext.Current.Response.AddHeader("content-disposition", "attachment;fileName="+filename+"");
HttpContext.Current.Response.ContentType = "application/pdf";
HttpContext.Current.Response.Cache.SetCacheability(HttpCacheability.NoCache);
GridView gvpdf = new GridView();
gvpdf.DataSource = dt1;
gvpdf.DataBind();
gvpdf.AllowPaging = false;
gvpdf.RenderControl(hw);
StringReader sr = new StringReader(sw.ToString());
Document pdfDoc = new Document(PageSize.A2, 10f, 10f, 10f, 0f);
HTMLWorker htmlparser = new HTMLWorker(pdfDoc);
PdfWriter.GetInstance(pdfDoc,HttpContext.Current.Response.OutputStream);
pdfDoc.Open();
htmlparser.Parse(sr);
pdfDoc.Close();
HttpContext.Current.Response.Write(pdfDoc);
HttpContext.Current.Response.End();
}
}
}
}
}try this
itextsharp-insert an image to a pdf