double oo = 87.3456178221;
double os = 0.987;
MessageBox.Show(oo.ToString(".0000"));
MessageBox.Show(os.ToString(".000"));//Like: .987
MessageBox.Show(os.ToString().Split(new char[]{'.'})[1]); //Like: 987
double os = 0.987;
MessageBox.Show(oo.ToString(".0000"));
MessageBox.Show(os.ToString(".000"));//Like: .987
MessageBox.Show(os.ToString().Split(new char[]{'.'})[1]); //Like: 987
st = (decimal.Parse(st)).ToString(".####"); MessageBox.Show(st);