Gyan Pitara Forums

Microsoft Language Integrated Query (LINQ) offers developers a new way to query data using strongly-typed queries and strongly-typed results.By using strongly-typed queries and results, LINQ improves developer productivity with the benefits of IntelliSense and compile-time error checking.

Microsoft provides to approaches for this:-
1:- LINQ to SQL.
2:- LINQ to ENTITIES.

What Is LINQ to SQL?

LINQ to SQL is an object-relational mapping (ORM) framework that allows the direct 1-1 mapping of a Microsoft SQL ...

Code: Select all

select user_name from table_name
where salary IN(
SELECT MIN(salary) FROM table_name
WHERE salary IN (SELECT distinct top 3 salary FROM table_name ORDER BY salary DESC))

Here is the code to create a calculator in dot net.
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;

namespace Calculator_nikhil
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}

private void button_Eql_Click(object sender, EventArgs e)
{
if (eq == 0)
{
val2 = double.Parse(t1.Text);
eq = 1;
}
else
{
val1 = double.Parse(t1.Text);
}
if (op == 1)
{
res = val1 ...

hey guys.

can any one help me to find tutorial about CSS.

i would prefer to be online tutorial er even a pdf module file would be okey.

greatly appreciate your help.

thanks.

hello guyz,

well, whenever i work in sql server i gotta some kind of confusion with NULL and NOT NULL. so hopefully u all guys might goin' through this.. well here the solution simple and best......

Nulls is basically a special kind of marker by which sql server represent missing value.
well this example will give you the complete knowledge abt NULLS:
When we say that the height of a person is null, its means ...

This tutorial will really help you lot.. i think so if this already exist... mods can delete it

If you want your computer to load faster on startups I really recommend you to clean your desktop. If you have many icons and stuff on your desktops it takes much longer to load than if you only have a few things.
So my tip to you is to clean off nearly every icon. It doesn't ...

You Must Know "CTRL+C"

Please be very careful when u press CTRL + C. Here is some useful information for all.

"Ctrl+C" may be the most important work we do everyday. But it's not a very safe thing to do. Read on to know why. What happens when you press "Ctrl+C" while you are On-line. We do copy various data by "Ctrl + C" for pasting elsewhere. This copied data is stored in clipboard ...

FAT32 { File Allocation Table }

The File Allocation Table (FAT) file system is a simple file system originally designed for small disks and simple folder structures. The FAT file system is named for its method of organization, the file allocation table, which resides at the beginning of the volume. To protect the volume, two copies of the table are kept, in case one becomes damaged. In addition, the file allocation tables and the ...

RUN versus SAVE
When Downloading a File

When you are downloading any program or file from the internet, for example any anti virus program or an email attachment from your friends. Here you will get a dialog box with three options to Run, Save or Cancel. Basically this is confirmation from a user "Do you want to run or save this file", even you can cancel it to abort the downloading.

Here if you select ...

Dear friends,

Here i am with more questions Of language C which will check your knowledge. Try to solve theses problems with the help of loops.

Question-1:- Write a program to print out all Armstrong numbers between 1 and 999. If sum of cubes of each digit of the number is equal to the number itself, then the number is called an Armstrong number. For example, 153 = ( 1 * 1 * 1 ) ...