Dotnet Programing: Javascript

Showing posts with label Javascript. Show all posts

Tuesday, December 16, 2014

Compare two dates in javascript

if (new Date(First_date) > new Date(SecondDate)) {

//compare end <=, not >=

//your code here

}

Wednesday, April 16, 2014

Export Gridview or html table to Excel

1. Create javascript function

var tableToExcel = (function () {

var uri = 'data:application/vnd.ms-excel;base64,'

, template = '<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"><head></head><body><table>{table}</table></body></html>'

, base64 = function (s) { return window.btoa(unescape(encodeURIComponent(s))) }

, format = function (s, c) { return s.replace(/{(\w+)}/g, function (m, p) { return c[p]; }) }

return function (table, name) {

if (!table.nodeType) table = document.getElementById(table)

var ctx = { worksheet: name || 'Worksheet', table: table.innerHTML }

window.location.href = uri + base64(format(template, ctx))

}

})()

</script>

2. Call function

Tuesday, December 10, 2013

Print image from javascript

The below are the javascript function for print the image

function printImage() {

var image = document.getElementById('imageControl');

var printWindow = window.open('', 'Print Window', 'height=400,width=600');

printWindow.document.write('<html><head><title>Print Window</title>');

printWindow.document.write('</head><body ><img src=\'');

printWindow.document.write(image.src);

printWindow.document.write('\' /></body></html>');

printWindow.document.close();

printWindow.print();

}