Girilen bir sayinin karesini alma

[sourcecode language=”csharp”]

public Form1()
{
InitializeComponent();
}

int kare(int sayi)
{
return sayi* sayi;

}

private void button1_Click(object sender, EventArgs e)
{

int a = Convert.ToInt32(textBox1.Text);

label3.Text = Convert.ToString(kare(a));
}

[/sourcecode]