private void button14_Click(object sender, EventArgs e)
{
frmDiscount frm = new frmDiscount();
frm.OriginalAmt = Program.cartItems.Sum(p => p.Price);
if (IsDiscount)
{
frm.DiscountType = DiscountType;
frm.DiscountAmt = DiscountAmt;
}
frm.ShowDialog();
DiscountType = frm.DiscountType;
DiscountAmt = frm.DiscountAmt;
if (DiscountAmt > 0)
{
IsDiscount = true;
if (DiscountType == EmDiscountType.Amount)
{
var _FinalAmt = frm.OriginalAmt - DiscountAmt;
BindData(_FinalAmt);
//RemAmount = RemAmount - DiscountAmt;
}
else if (DiscountType == EmDiscountType.Percent)
{
var _FinalAmt = frm.OriginalAmt - ((frm.OriginalAmt * DiscountAmt) / 100);
BindData(_FinalAmt);
}
//BindData(RemAmount);
txtAmount_TextChanged(txtAmount, null);
}
}
private void btnApply_Click(object sender, EventArgs e)
{
Double _discountAmt = 0;
Double.TryParse(txtAmt.Text.Trim(), out _discountAmt);
Double PercentAmt = 0;
Double.TryParse(txtPercent.Text.Trim(), out PercentAmt);
//Both Are Null
if (String.IsNullOrEmpty(txtAmt.Text.Trim()) && String.IsNullOrEmpty(txtPercent.Text.Trim()))
{
MessageBox.Show("Both Amount/Percent are Empty!!!", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
txtAmt.Focus();
}
//Both are not Null
else if (!String.IsNullOrEmpty(txtAmt.Text.Trim()) && !String.IsNullOrEmpty(txtPercent.Text.Trim()))
{
MessageBox.Show("Apply Either Amount or Percent!!!", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
txtAmt.Text = txtPercent.Text = String.Empty;
}
else if (!String.IsNullOrEmpty(txtAmt.Text.Trim()))
{
if (_discountAmt < 0)
{
//Show Message for Minus values
MessageBox.Show("Amount cannot be Less than or equal to 0.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
txtAmt.Text = "";
txtAmt.Focus();
}
else if (_discountAmt > OriginalAmt)
{
//Show Message for Minus values
MessageBox.Show("Discount Amount cannot be greater than or equal to original Price.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
txtAmt.Text = "";
txtAmt.Focus();
}
else
{
DiscountType = EmDiscountType.Amount;
DiscountAmt = _discountAmt;
this.Close();
}
}
else if (!String.IsNullOrEmpty(txtPercent.Text.Trim()))
{
if (PercentAmt < 0)
{
//Show Message for Minus Percentage
MessageBox.Show("Percent cannot be Less than or equal to 0.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
txtPercent.Text = "0.00";
txtPercent.Focus();
}
else if (PercentAmt >= 100)
{
MessageBox.Show("100% Discount cannot be applied", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
txtPercent.Text = "0.00";
txtPercent.Focus();
}
else
{
DiscountType = EmDiscountType.Percent;
DiscountAmt = PercentAmt;
this.Close();
}
}
}
