private void BtnOK_Click(object sender, EventArgs e)
{
try
{
int dollor = Convert.ToInt32(Txtdollor.Text);
double tax = 0;
string msg = "";
if (dollor < 300000)
{
tax = 0;
}
else if (dollor >= 300000 && dollor < 600000)
{
tax = dollor * 0.03;
}
else if (dollor >= 600000 && dollor < 900000)
{
tax = dollor * 0.06;
}
else if (dollor >= 900000 && dollor < 1500000)
{
tax = dollor * 0.12;
}
else if (dollor >= 1500000 && dollor < 5000000)
{
tax = dollor * 0.2;
}
else
{
tax = dollor * 0.3;
}
msg = "年所得" + dollor.ToString("C") + "\n應繳所得稅" + tax.ToString("C2");
LblMsg.Text = msg;
}
catch
{
MessageBox.Show("請輸入數值");
Txtdollor.Focus();
}
}
private void Txtdollor_Enter(object sender, EventArgs e)
{
Txtdollor.Clear();
}
