Microsoft Day @ Dhaka

Microsoft Security Intelligence Report v8

shuvo1 — Sun, 15 Aug 2010 22:45:11 GMT

Current revision posted to Microsoft Day @ Dhaka by shuvo1 on 8/16/2010 6:45:11 AM

[[msday:Microsoft Security Intelligence Report v8|http://microsoft.com/sir]]

The Microsoft Security Intelligence Report (SIR) is a comprehensive and wide-ranging study of the evolving threat landscape, and addresses such topics as software vulnerability disclosures and exploits, malicious software (malware), and potentially unwanted software.

Export to Excel in asp.net

Ahsan Murshed — Sun, 16 May 2010 09:57:07 GMT

Current revision posted to Microsoft Day @ Dhaka by Ahsan Murshed on 5/16/2010 5:57:07 PM

It is a very common question is asp.net forum and other forum that how to export DataTable to excel in asp.net.
There are various ways to export data to excel, such as:

    1.    Write As XML with .XLS extensions
    2.    Render DataTable as Excel
    3.    Uisng HtmlForm object
    4.    Using VerifyRenderingInServerForm

Insha Allah, I will discuss all these export types gradually. Today I want to discuss here how to export DataTable to Excel. Its very simple ,I write down a method here just call it ana pass your DataTable as a parameter then this method generate a Excel file for you.

Code:

public void ExportDataTable(DataTable dt)
        {
            string attachment = "attachment; filename=" + FileName.xls + "";
            HttpContext.Current.Response.Clear();
            HttpContext.Current.Response.AddHeader("content-disposition", attachment);
            HttpContext.Current.Response.ContentType = "application/vnd.ms-excel";
            string sTab = "";
            foreach (DataColumn dc in dt.Columns)
            {
                HttpContext.Current.Response.Write(sTab + dc.ColumnName);
                sTab = "\t";
            }
            HttpContext.Current.Response.Write("\n");

            int i;
            foreach (DataRow dr in dt.Rows)
            {
                sTab = "";
                for (i = 0; i < dt.Columns.Count; i++)
                {
                    HttpContext.Current.Response.Write(sTab + dr[i].ToString());
                    sTab = "\t";
                }
                HttpContext.Current.Response.Write("\n");
            }
            HttpContext.Current.Response.End();
        }

For details info please visits here

Basic Idea on JSON

Ahsan Murshed — Tue, 27 Apr 2010 06:15:41 GMT

Current revision posted to Microsoft Day @ Dhaka by Ahsan Murshed on 4/27/2010 2:15:41 PM

Basic Idea on JSON

Filed under: JSON

What is JSON?

JSON is a very lightweight data format based on a subset of the JavaScript syntax, namely array and object literals. JSON allows communicating with server in a standard way. JSON is used as communication notation instead of XML.

JSON objects are typed while XML data is typeless
1.JSON types: string, number, array, boolean,
2.XML data are all string

JSON stands for Javascript Object Notation which is a data structuring format that is extremely clean and lightweight. Even though JSON is native to javascript (as in, it can be turned into an object directly by javascript), it is quite easy to handle with other languages, making it an ideal replacement of XML when javascript is involved with the exchange of data (i.e. ajax).

var fruitColors =
{
"apple":"green",
"banana":"yellow",
"orange":"orange"
};

alert(fruitColors .apple); //outputs "green"
alert(fruitColors .orange); //outputs "orange"

The above code creates an javascript object bike with two properties apple and orange

JSON Structures
• A collection of name/value pairs
In various languages, this is realized as an object, record,struct, dictionary, hash table, keyed list, or associative array
• An ordered list of values
In most languages, this is realized as an array, vector, list, or sequence

JSON Object Notation
• A JSON object is an unordered set of name/value pairs
• A JSON object begins with { (left brace) and ends with } (right brace)
• Each name is followed by : (colon) and the name/value pairs are separated by , (comma)

For more info please visit:

http://msdn.microsoft.com/en-us/library/bb299886.aspx
http://www.json.org/
http://en.wikipedia.org/wiki/JSON

Basic Idea on JSON

Ahsan Murshed — Tue, 27 Apr 2010 06:15:06 GMT

Revision 1 posted to Microsoft Day @ Dhaka by Ahsan Murshed on 4/27/2010 2:15:06 PM

How to speed up your web site/application

Ahsan Murshed — Mon, 26 Apr 2010 03:40:00 GMT

Current revision posted to Microsoft Day @ Dhaka by Ahsan Murshed on 4/26/2010 11:40:00 AM

How to speed up your web site/application

Filed under: web application, performance

In my recent experience I have faced some performance issues one of them is web application becomes very much slow. To identify this problem I have searched over the net and I have found a lots of topics.

Now I want to share some of the topics with you in summarized way:

1.Minimize HTTP Requests
2.Use a Content Delivery Network
3.Add an Expires or a Cache-Control Header
4.Gzip Components
5.Put Stylesheets at the Top
6.Put Scripts at the Bottom
7.Avoid CSS Expressions
8.Make JavaScript and CSS External
9.Reduce DNS Lookups
10.Minify JavaScript and CSS
11.Avoid Redirects
12.Remove Duplicate Scripts
13.Configure ETags
14.Make Ajax Cacheable
15.Flush the Buffer Early
16.Use GET for AJAX Requests
17.Post-load Components
18.Preload Components
19.Reduce the Number of DOM Elements
20.Split Components Across Domains
21.Minimize the Number of iframes
22.No 404s
23.Reduce Cookie Size
24.Use Cookie-free Domains for Components
25.Minimize DOM Access
26.Develop Smart Event Handlers
27.Choose

How to speed up your web site/application

Ahsan Murshed — Sun, 25 Apr 2010 09:56:28 GMT

Revision 1 posted to Microsoft Day @ Dhaka by Ahsan Murshed on 4/25/2010 5:56:28 PM

Starting microsoft MVC

Ratul — Sat, 12 Sep 2009 21:21:48 GMT

Current revision posted to Microsoft Day @ Dhaka by Ratul on 9/13/2009 5:21:48 AM

the full wiki will available soon..

Registration

Md.Asaduzzaman — Wed, 17 Jun 2009 09:15:16 GMT

Current revision posted to Microsoft Day @ Dhaka by Md.Asaduzzaman on 6/17/2009 5:15:16 PM

Registration

Filed under: Microsoft Day @ Dhaka

Name: Mahmudur Rahman

phone:+8801711455223

Organization: Bangladesh Telecommunication Regulatory Commission (BTRC)Md.Asaduzzaman

phone:+8801710506890

Organization:Data Path Limited

ID Number : corporate

Registration

corporate — Wed, 10 Jun 2009 10:18:30 GMT

Revision 5 posted to Microsoft Day @ Dhaka by corporate on 6/10/2009 6:18:30 PM

Registration

Filed under: Microsoft Day @ Dhaka

Name: Habib Ullah

phone:+8801717954800

Institution:Bangladesh Internet Press Ltd.Mahmudur Rahman

phone:+8801711455223

Organization: Bangladesh Telecommunication Regulatory Commission (BTRC)

ID Number : Princecorporate

Registration

Prince — Tue, 09 Jun 2009 07:30:34 GMT

Revision 4 posted to Microsoft Day @ Dhaka by Prince on 6/9/2009 3:30:34 PM

Registration

Filed under: Microsoft Day @ Dhaka

Name:Khandakar Ashfaqur Rahman

phone:+8801913516738

Institution

Name: X-Net Ltd(Genesis Technology Group)Habib Ullah

phone:+8801717954800

Institution:Bangladesh Internet Press Ltd.

ID Number :riganPrince

Registration

Khandakar Ashfaqur Rahman (Rigan) — Mon, 08 Jun 2009 14:37:26 GMT

Revision 3 posted to Microsoft Day @ Dhaka by Khandakar Ashfaqur Rahman (Rigan) on 6/8/2009 10:37:26 PM

Registration

Filed under: Microsoft Day @ Dhaka

Name:Md.Tauhidul Islam

phone:+8801925779688

Name:Khandakar Ashfaqur Rahman

phone:+8801913516738

Institution: Synesis ITX-Net Ltd(Genesis Technology Group)

ID Number :TuhinMsdnrigan

Registration

TuhinMsdn — Sun, 07 Jun 2009 11:16:16 GMT

Revision 2 posted to Microsoft Day @ Dhaka by TuhinMsdn on 6/7/2009 7:16:16 PM

Registration

Filed under: Microsoft Day @ Dhaka

Name:Md.Tauhidul Islam

phone:+8801925779688

Institution: Synesis IT

ID Number :TuhinMsdn

Registration

admin — Sun, 31 May 2009 18:34:42 GMT

Revision 1 posted to Microsoft Day @ Dhaka by admin on 6/1/2009 2:34:42 AM