Hello Members,
Hope you are doing good!!
Can any one guide me on preview of doc,docx and PDF documents using ASP.NET and C#.
Here i am added the code.
What I have tried:
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="LoadingWordDocument.aspx.cs" Inherits="WordDocumentLoadSampleWebApp.LoadingWordDocument" %>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
<script type="text/javascript">
function doHighlight(DivText, searchTerm, highlightStartTag, highlightEndTag) {
debugger;
if ((!highlightStartTag) || (!highlightEndTag)) {
highlightStartTag = "<font style='color:blue; background-color:yellow;'>";
highlightEndTag = "</font>";
}
var newText = "";
var i = -1;
var lcSearchTerm = searchTerm.toLowerCase();
var lcDivText = DivText.toLowerCase();
while (DivText.length > 0) {
i = lcDivText.indexOf(lcSearchTerm, i + 1);
if (i < 0) {
newText += DivText;
DivText = "";
} else {
if (DivText.lastIndexOf(">", i) >= DivText.lastIndexOf("<", i)) {
if (lcDivText.lastIndexOf("/script>", i) >= lcDivText.lastIndexOf("<script", i)) {
newText += DivText.substring(0, i) + highlightStartTag + DivText.substr(i, searchTerm.length) + highlightEndTag;
DivText = DivText.substr(i + searchTerm.length);
lcDivText = DivText.toLowerCase();
i = -1;
}
}
}
}
return newText;
}
function highlightSearchTerms(searchText, divId, treatAsPhrase, warnOnFailure, highlightStartTag, highlightEndTag) {
debugger;
if (treatAsPhrase) {
searchArray = [searchText];
} else {
searchArray = searchText.split(" ");
}
var div=document.getElementById(divId);
if (!div || typeof (div.innerHTML) == "undefined") {
if (warnOnFailure) {
alert("Sorry, for some reason the text of this page is unavailable. Searching will not work.");
}
return false;
}
var DivText = div.innerHTML;
for (var i = 0; i < searchArray.length; i++) {
DivText = doHighlight(DivText, searchArray[i], highlightStartTag, highlightEndTag);
}
div.innerHTML = DivText;
return true;
}
function searchPrompt(defaultSearchText, divId, isPrompt, treatAsPhrase, textColor, bgColor) {
debugger;
if ((!textColor) || (!bgColor)) {
highlightStartTag = "";
highlightEndTag = "";
} else {
highlightStartTag = "<font style='color:" + textColor + "; background-color:" + bgColor + ";'>";
highlightEndTag = "</font>";
}
return highlightSearchTerms(searchTxt.value, divId, false, true, highlightStartTag, highlightEndTag);
}
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:FileUpload ID="FileUpload1" runat="server" />
<asp:Button ID="btnUpload" runat="server" Text="submit" OnClick="btnUpload_Click" />
<div></div>
</div>
<div>
<asp:TextBox ID="searchTxt"
runat="server"
Width="300px"
Height="25px"
Font-Size="Medium"></asp:TextBox>
<input type="button" value="Search" onclick="return searchPrompt('search text', 'dvWord', false, true, 'red', 'orange')" />
</div>
<div id="dvWord" runat="server"></div>
</form>
</body>
</html>
CS file
<pre>using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using Microsoft.Office.Interop.Word;
using System.IO;
using System.Text.RegularExpressions;
namespace WordDocumentLoadSampleWebApp
{
public partial class LoadingWordDocument : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
protected void btnUpload_Click(object sender, EventArgs e)
{
object documentFormat = 8;
string randomName = DateTime.Now.Ticks.ToString();
object htmlFilePath = Server.MapPath("~/Temp/") + randomName + ".htm";
string directoryPath = Server.MapPath("~/Temp/") + randomName + "_files";
object fileSavePath = Server.MapPath("~/Temp/") + Path.GetFileName(FileUpload1.PostedFile.FileName);
//If Directory not present, create it.
if (!Directory.Exists(Server.MapPath("~/Temp/")))
{
Directory.CreateDirectory(Server.MapPath("~/Temp/"));
}
//Upload the word document and save to Temp folder.
FileUpload1.PostedFile.SaveAs(fileSavePath.ToString());
//Open the word document in background.
_Application applicationclass = new Application();
applicationclass.Documents.Open(ref fileSavePath);
applicationclass.Visible = false;
Document document = applicationclass.ActiveDocument;
//Save the word document as HTML file.
document.SaveAs(ref htmlFilePath, ref documentFormat);
//Close the word document.
document.Close();
//Read the saved Html File.
string wordHTML = System.IO.File.ReadAllText(htmlFilePath.ToString());
//Loop and replace the Image Path.
foreach (Match match in Regex.Matches(wordHTML, "<v:imagedata.+?src=[\"'](.+?)[\"'].*?>", RegexOptions.IgnoreCase))
{
wordHTML = Regex.Replace(wordHTML, match.Groups[1].Value, "Temp/" + match.Groups[1].Value);
}
dvWord.InnerHtml = wordHTML;
}
}
}
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