/// <summary>
/// Calculating total after discount 0.1%
/// </summary>
private void CalculateTotal()
{
const double DiscountPercent = 0.1;
double SubTotal;
double DiscountAmount;
double Total;
try
{
SubTotal = Convert.ToDouble(subTotalTextBox);
DiscountAmount = SubTotal * DiscountPercent;
Total = SubTotal - DiscountAmount;
discountAmountTextBox.Text = DiscountAmount.ToString("C2");
totalTextBox.Text = Total.ToString("C2");
}
catch (Exception exception)
{
MessageBox.Show("Invalid Data Entered", "Input Error");
Debug.WriteLine(exception.Message);
subTotalTextBox.Focus();
subTotalTextBox.SelectAll();
ResetSubTotalMethod();
}
}
/// <summary>
/// this method does has
/// no arguments
/// </summary>
private void CalculateTotal()
{
try
{
//read values
double SubTotal;
double DiscountAmount;
double Total;
const double DiscountPercent = 0.1;
//convert string to double
SubTotal = Convert.ToDouble(Sub_Total_TextBox.Text);
//DiscountAmount=Subtotal*0.1
DiscountAmount = SubTotal * DiscountPercent;
//Total= Subtotal-DiscountAmount
Total = SubTotal - DiscountAmount;
//Display DiscountAmount in proper Textbox
DiscountAmount_TextBox.Text = DiscountAmount.ToString("C2");
//display total in proper Textbox
Total_TextBox.Text = Total.ToString("C2");
}
catch (Exception)
{
//throw;
MessageBox.Show("Please Enter a number", "Input Error");
ResetSubTotalTextBox();
}
}
private void button1_Click(object sender, EventArgs e)
{
double Subtotal;
double DiscountPercent;
double DiscountAmount;
double InvoiceTotal;
Subtotal = double.Parse(txtSubtotal.Text);
if (Subtotal >= 500)
{
DiscountPercent = 0.2;
}
else if (Subtotal >= 250 && Subtotal < 500)
{
DiscountPercent = 0.15;
}
else if (Subtotal >= 100 && Subtotal < 250)
{
DiscountPercent = 0.1;
}
else
{
DiscountPercent = 0.0;
}
DiscountAmount = Subtotal * DiscountPercent;
InvoiceTotal = Subtotal - DiscountAmount;
txtDiscountPercent.Text = DiscountPercent.ToString("p1"); //p1 means percentage
txtDiscountAmount.Text = "$" + DiscountAmount.ToString();
txtTotal.Text = "$" + InvoiceTotal.ToString();
txtResult.Text = "Dear Customer you have to pay: $" + InvoiceTotal.ToString();
}
/// <summary>
/// Formatted amount Decimal(15,2) with sign
/// </summary>
/// <returns>
/// Formatted amount
/// </returns>
private string FormattedDiscountAmount()
{
const string fmt = "0000000000000.##";
string formattedAmount = DiscountAmount.ToString(fmt);
if (DiscountAmount > 0)
{
formattedAmount = "+" + formattedAmount;
}
return(formattedAmount);
}
void ToggleDiscountType()
{
BunifuElipse DiscountTypeImgElipse = new BunifuElipse {
ElipseRadius = 5
};
Image ColoredImgCashDiscountType = ImageUtil.ColorImage(imgbtnCashDiscountType.Image, SoftColor);
Image ColoredImgPtgDiscountType = ImageUtil.ColorImage(imgbtnPtgDiscountType.Image, SoftColor);
Image ImgCashDiscountType = ImageUtil.ColorImage(imgbtnCashDiscountType.Image, Color.White);
Image ImgPtgDiscountType = ImageUtil.ColorImage(imgbtnPtgDiscountType.Image, Color.White);
txtDiscountValue.Text = "";
if (IsCashDiscount)
{
//Cash
lblDiscountType.Text = StringAmount;
txtDiscountValue.HintText = (DiscountAmount == 0) ? "00,00" : DiscountAmount.ToString();
lblUnit.Text = Currency;
txtDiscountValue.Text = DiscountAmount.ToString();
// Change Both Control Color, Image Oppositely
imgbtnCashDiscountType.BackColor = SoftColor;
imgbtnCashDiscountType.Image = ImgCashDiscountType;
imgbtnPtgDiscountType.BackColor = Color.White;
imgbtnPtgDiscountType.Image = ColoredImgPtgDiscountType;
DiscountTypeImgElipse.TargetControl = imgbtnCashDiscountType;
}
else
{
// Percentage
lblDiscountType.Text = stringPercentage;
txtDiscountValue.HintText = DiscountPercentage.ToString();
txtDiscountValue.Text = DiscountPercentage.ToString();
lblUnit.Text = "%";
//Refresh UI : Change Both Control Color, Image Oppositely
imgbtnCashDiscountType.BackColor = Color.White;
imgbtnCashDiscountType.Image = ColoredImgCashDiscountType;
imgbtnPtgDiscountType.BackColor = SoftColor;
imgbtnPtgDiscountType.Image = ImgPtgDiscountType;
DiscountTypeImgElipse.TargetControl = imgbtnPtgDiscountType;
}
txtDiscountName.Text = DiscountName;
}
public string GetDiscountAmount()
{
return(DiscountAmount.ToString("C"));
}
