Below code exports data to an Excel file using jQuery in a .NET environment. The init method of the plugin is responsible for processing the data and generating the Excel file. The tableToExcel method generates the Excel file by combining a template with the table data. The template is an HTML string that defines the structure of an Excel file, including the worksheet name and the table data.
<%@ Page Language="VB" AutoEventWireup="false" CodeFile="Test.aspx.vb" Inherits="Test" ValidateRequest="false" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html>
<head runat="server">
<title>Export To Excel Using Javascript</title>
<script src="../Scripts/JQuery/jquery.min.js" type="text/javascript"></script>
<script type="text/javascript">
;(function ($, window, document, undefined) {
var pluginName = "exportToExcel",
defaults = {
exclude: ".noExl",
name: "exportToExcel",
filename: "exportToExcel",
fileext: ".xls",
exclude_img: true,
exclude_links: true,
exclude_inputs: true
};
// The actual plugin constructor
function Plugin(element, options) {
this.element = element;
// jQuery has an extend method which merges the contents of two or
// more objects, storing the result in the first object. The first object
// is generally empty as we don't want to alter the default options for
// future instances of the plugin
//
this.settings = $.extend({}, defaults, options);
this._defaults = defaults;
this._name = pluginName;
this.init();
}
Plugin.prototype = {
init: function () {
var e = this;
var utf8Heading = "<meta http-equiv=\"content-type\" content=\"application/vnd.ms-excel; charset=UTF-8\">";
e.template = {
head: "<html xmlns:o=\"urn:schemas-microsoft-com:office:office\" xmlns:x=\"urn:schemas-microsoft-com:office:excel\" xmlns=\"http://www.w3.org/TR/REC-html40\">" + utf8Heading + "<head><!--[if gte mso 9]><xml><x:ExcelWorkbook><x:ExcelWorksheets>",
sheet: {
head: "<x:ExcelWorksheet><x:Name>",
tail: "</x:Name><x:WorksheetOptions><x:DisplayGridlines/></x:WorksheetOptions></x:ExcelWorksheet>"
},
mid: "</x:ExcelWorksheets></x:ExcelWorkbook></xml><![endif]--></head><body>",
table: {
head: "<table>",
tail: "</table>"
},
foot: "</body></html>"
};
e.tableRows = [];
// get contents of table except for exclude
$(e.element).each(function (i, o) {
var tempRows = "";
$(o).find("tr").not(e.settings.exclude).each(function (i, p) {
tempRows += "<tr>";
$(p).find("td,th").not(e.settings.exclude).each(function (i, q) { // p did not exist, I corrected
var rc = {
rows: $(this).attr("rowspan"),
cols: $(this).attr("colspan"),
flag: $(q).find(e.settings.exclude)
};
if (rc.flag.length > 0) {
tempRows += "<td> </td>"; // exclude it!!
} else {
if (rc.rows & rc.cols) {
tempRows += "<td>" + $(q).html() + "</td>";
} else {
tempRows += "<td";
if (rc.rows > 0) {
tempRows += " rowspan=\'" + rc.rows + "\' ";
}
if (rc.cols > 0) {
tempRows += " colspan=\'" + rc.cols + "\' ";
}
tempRows += "/>" + $(q).html() + "</td>";
}
}
});
tempRows += "</tr>";
console.log(tempRows);
});
// exclude img tags
if (e.settings.exclude_img) {
tempRows = exclude_img(tempRows);
}
// exclude link tags
if (e.settings.exclude_links) {
tempRows = exclude_links(tempRows);
}
// exclude input tags
if (e.settings.exclude_inputs) {
tempRows = exclude_inputs(tempRows);
}
e.tableRows.push(tempRows);
});
e.tableToExcel(e.tableRows, e.settings.name, e.settings.sheetName);
},
tableToExcel: function (table, name, sheetName) {
var e = this,
fullTemplate = "",
i, link, a;
e.format = function (s, c) {
return s.replace(/{(\w+)}/g, function (m, p) {
return c[p];
});
};
sheetName = typeof sheetName === "undefined" ? "Sheet" : sheetName;
e.ctx = {
worksheet: name || "Worksheet",
table: table,
sheetName: sheetName
};
fullTemplate = e.template.head;
if ($.isArray(table)) {
for (i in table) {
//fullTemplate += e.template.sheet.head + "{worksheet" + i + "}" + e.template.sheet.tail;
fullTemplate += e.template.sheet.head + sheetName + i + e.template.sheet.tail;
}
}
fullTemplate += e.template.mid;
if ($.isArray(table)) {
for (i in table) {
fullTemplate += e.template.table.head + "{table" + i + "}" + e.template.table.tail;
}
}
fullTemplate += e.template.foot;
for (i in table) {
e.ctx["table" + i] = table[i];
}
delete e.ctx.table;
var isIE = /*@cc_on!@*/ false || !!document.documentMode; // this works with IE10 and IE11 both :)
//if (typeof msie !== "undefined" && msie > 0 || !!navigator.userAgent.match(/Trident.*rv\:11\./)) // this works ONLY with IE 11!!!
if (isIE) {
if (typeof Blob !== "undefined") {
//use blobs if we can
fullTemplate = e.format(fullTemplate, e.ctx); // with this, works with IE
fullTemplate = [fullTemplate];
//convert to array
var blob1 = new Blob(fullTemplate, {
type: "text/html"
});
window.navigator.msSaveBlob(blob1, getFileName(e.settings));
} else {
//otherwise use the iframe and save
//requires a blank iframe on page called txtArea1
txtArea1.document.open("text/html", "replace");
txtArea1.document.write(e.format(fullTemplate, e.ctx));
txtArea1.document.close();
txtArea1.focus();
sa = txtArea1.document.execCommand("SaveAs", true, getFileName(e.settings));
}
} else {
var blob = new Blob([e.format(fullTemplate, e.ctx)], {
type: "application/vnd.ms-excel"
});
window.URL = window.URL || window.webkitURL;
link = window.URL.createObjectURL(blob);
a = document.createElement("a");
a.download = getFileName(e.settings);
a.href = link;
document.body.appendChild(a);
a.click();
document.body.removeChild(a);
}
return true;
}
};
function getFileName(settings) {
return (settings.filename ? settings.filename : "exportToExcel");
}
// Removes all img tags
function exclude_img(string) {
var _patt = /(\s+alt\s*=\s*"([^"]*)"|\s+alt\s*=\s*'([^']*)')/i;
return string.replace(/<img[^>]*>/gi, function myFunction(x) {
var res = _patt.exec(x);
if (res !== null && res.length >= 2) {
return res[2];
} else {
return "";
}
});
}
// Removes all link tags
function exclude_links(string) {
return string.replace(/<a[^>]*>|<\/a>/gi, "");
}
// Removes input params
function exclude_inputs(string) {
var _patt = /(\s+value\s*=\s*"([^"]*)"|\s+value\s*=\s*'([^']*)')/i;
return string.replace(/<input[^>]*>|<\/input>/gi, function myFunction(x) {
var res = _patt.exec(x);
if (res !== null && res.length >= 2) {
return res[2];
} else {
return "";
}
});
}
$.fn[pluginName] = function (options) {
var e = this;
e.each(function () {
if (!$.data(e, "plugin_" + pluginName)) {
$.data(e, "plugin_" + pluginName, new Plugin(this, options));
}
});
// chain jQuery functions
return e;
};
})(jQuery, window, document);
$(function () {
$("#btnExporttoExcel").click(function () {
$("#tblEmployee").exportToExcel({
filename: "report.xls"
});
});
});
</script>
</head>
<body style="margin: 0;">
<form id="frmHome" method="post" runat="server">
<table id="Table1" style="width: 100%" cellspacing="0" cellpadding="0" border="0">
<tr>
<td align="center" valign="top" style="width: 100%;">
<table id="tblEmployee" cellspacing="0" cellpadding="0" border="1">
<tr>
<th>Employee Id</th>
<th>Employee Name</th>
<th>Department</th>
</tr>
<tr>
<td>1</td>
<td>Nikunj Satasiya</td>
<td>Asp.Net</td>
</tr>
<tr>
<td>2</td>
<td>Hiren Dobariya</td>
<td>PHP</td>
</tr>
<tr>
<td>3</td>
<td>Vivek Ghadiya</td>
<td>Android</td>
</tr>
<tr>
<td>4</td>
<td>Pratik Pansuriya</td>
<td>SEO</td>
</tr>
</table>
<br />
<input type="button" id="btnExporttoExcel" value="Export To Excel" />
</td>
</tr>
</table>
</form>
</body>
</html>