public static double Round(double d, int i)
{
if (d >= 0)
{
d += 5 * (10, -(i + 1));// Find the specified power of the specified number of times
}
else
{
d += 5 * (10, -(i + 1));
}
string str = ();
string[] strs = ('.');
int idot = ('.');
string prestr = strs[0];
string poststr = strs[1];
if ( > i)
{
poststr = (idot + 1, i);//Intercept the required number of digits
}
if ( <= 2)
{
poststr = poststr + "0";
}
string strd = prestr + "." + poststr;
d = (strd);//Convert string to double precision real number
return d;
}
private void button1_Click(object sender, EventArgs e)
{
=(((()),Convert.ToInt16(())));
}