Data Abstraction

Data abstraction refers to, providing only essential
features by hiding its background details.
example:
class result
{
int marks;
float percentage;
char name[20];
void input();
void output();
}

main()
{
bank b1;
b1.input();
b1.output();
}

in the above example, b1 is an object calling input and
output member functions, but that code is invisible to the
object b1.

Forums

http://www.itags.org/dotnet/480010/

Start day, dayname and end day of the month

http://anuraj.wordpress.com/2007/12/03/last-day-and-first-day-of-the-month-using-c/

//Get startday of month
DateTime firstDay = new DateTime(DateTime.Now.Year, DateTime.Now.Month, 1);

//Get endday of month
DateTime.DaysInMonth(DateTime.Now.Year,DateTime.Now.Month)

if day is 1 of any month use DateTime.Now.DayOfWeek returns dayname
else DateTime.Now.AddDays(-(DateTime.Now.Day-1)).DayOfWeek returns dayname

CustomErrors asp.net

http://www.c-sharpcorner.com/UploadFile/akukreja/CustomErrorHandlingASPNET11142005235614PM/CustomErrorHandlingASPNET.aspx

http://dotnetguts.blogspot.com/2007/10/error-handling-in-net-with-example.html

Otherwise, create a error page with two divs such as divMain and divError. divMain contains common error message with warning image. Upon clicking that image show the divError with error message. For that in global.asax, put error message in Context.Items["Mesg"] and use server.transfer(errorpage.aspx,true) and set customerrors to off

[Note: server.transfer(folder/errorpage.aspx,true) shows Error executing child request for errorpage.aspx ]

My Logins

sqlservercentral.com - arun@bpinfotek.com
csharpcorner.com-arunkumar.niit
dotnetspider.com-arunkumar.niit
forums.asp.net-arunkumar.niit
codeproject.com-arun@bpinfotek.com
Books/Articles

scribd.com-arun_ama
Slideshare.net-arunanitha
docstoc.com-arunanitha

maximum row size in sql is 8060 bytes

In my global.asax page, I used to insert error details to error details table whereas few errors could not get inserted this is because of maximum row size in sql is 8060 bytes.


Workaround is to Log Errors in a xml file http://www.c-sharpcorner.com/uploadfile/jamesupton/errorhandler11142005040047am/errorhandler.aspx?login=true&user=arunkumar.niit

Asp.net Concepts Guide

http://www.careerride.com/ASPNet-Tutorial.aspx
http://www.c-sharpcorner.com/UploadFile/puranindia/WhatisASPNET09242009010116AM/WhatisASPNET.aspx

http://www.code-magazine.com/Article.aspx?quickid=0401041
http://www.almohandes.org/vb/archive/index.php/t-2240.html