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I am working at winforms project and i have a datagridview from which i am trying to update a database from it when the user changes something. Here is the code:

DataSet ds = new DataSet();...

I have a gridview with 3 columns Name,Surname,Change(ButtonField column) which is populated from an SqlDataReader with the following code

SqlCommand sqlCommand = new SqlCommand("select * from...

I have a web app using VS2010 and i want to insert a page with a chart which takes data from a database. for example i have 5 columns with one row and i want a column chart with five bars. something...

i insert 2 labels to check their values. Label2.Text and Label3.Text have exactly the same value when i click the login button!. label2 take the pass from the database and label3 from the password...

hi, i m trying to make something like a login page and i used the following code to compare the Users password from a password text box and then compare it with the Database password to see if it is...

i have no idea what i have to do, i know only how to read data from a text file. like this
private static String readFileAsString(String filePath) throws java.io.IOException
{
...

I am doing a project and i want to have a text file with usernames and passwords like

john 12345
nick 56780
taki 9087

and i will put a login form so the user will type the username...

the compiler does not find any errors but the window doesnt appears when i execute the code.

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class BankTEST extends...

A subclass can inherit "interface" or "implementation" from a superclass. How do inheritance hierarchies designed for inheriting interface, differ from those designed for inheriting implementation...

i want to write a recursive function that draws this triangle. Any help?

*
***
*****
***
*

Oh thx man

details park[200];
int carindex;

class details{
public:
char name[50];
char kind;
char carid[10];
char adress[20];
char date[8];
int cost;
};

#include <iostream.h>
void main()
{
int counter1=1, counter2;
int num1;
int num2;
cout<<"Number 1:";
cin>>num1;
cout<<"Number 2:";
cin>>num2;

(using only while loops) i want to write a program to produce a hollow rectangle,i.e if the user types 5 and 4, the result would be

*****
* *
* *
*****