add two integers

[Gishan]

how to add to integers,what is the easiest way to do it?

ui->label2->setText(ui->plainTextEdit->toPlainText());
int A,B,C;
QString S1(ui->label->selectedText());
QString S2(ui->label->selectedText());
A = S1.toInt();
B = S2.toInt();
C = static_cast<int>(A)+ B; //need to add A + B but it gives 0 to me

[pkj]

Use QLabel::text(). Refer qt documentation available online or through qt4 assistant.

[Gishan]

please can u make this runnable
i just need to add A and B

[Lesiok]

how to add to integers,what is the easiest way to do it?

ui->label2->setText(ui->plainTextEdit->toPlainText());
int A,B,C;
QString S1(ui->label->selectedText());
QString S2(ui->label->selectedText());
A = S1.toInt();
B = S2.toInt();
C = static_cast<int>(A)+ B; //need to add A + B but it gives 0 to me
The easiest way to add two integers is :

int A,B,C;
C = A+B;

You have a problem with getting text from widget or converting QString to int not with adding ints. Do you know what it is a debugger and how to use it (running program step by step) ?