protected void btnCalculate_Click(object sender, EventArgs e)
{
double amount = 0;
bool goodAmount = double.TryParse(txtAmount.Text, out amount); //.Text calls string from text box
//if it can be assigned as a double, if true, it passes the amount out. if false, sets it to allocated amount
//in this case 0.
if(!goodAmount)
{
Response.Write("<script> alert('Please enter a valid amount')</script>");
txtAmount.Text = "";
txtAmount.Focus();
return;
}//end good amount if statement
double percent;
if (rdbPercentage.SelectedItem.Text != "other")//if selected items text is not equal to other, we get % from it
{
percent = double.Parse(rdbPercentage.SelectedValue.ToString());
}
else
{
bool goodPercent = double.TryParse(txtOther.Text, out percent);
if(!goodPercent)
{
Response.Write("<script> alert('Please enter a valid amount')</script>");
txtOther.Text = "";
txtOther.Focus();
return;
}
} // end rdbPercentage if statement
//begin calling class, constructors, and methods
CalculateTip Tip = new CalculateTip(amount, percent); //call constructor
lblTip.Text = Tip.TipCalculator().ToString("$##0.##");//call method TipCalculator
lblTotal.Text = Tip.CalculateTotal().ToString("$##0.##");//call method CalculateTotal
}
public ActionResult Tip(CalculateTip model)
{
return(View("TipForm", model));
}
