My Project is not working rite in VB 2008 Express Edition

Question

4.00/5 (1 vote)

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here is the Coding:

VB

Dim SalesDiscRate As Single, QuantityPurchased As Single, OriginalPrice As Single, DiscSalesTotal As Single, SalesPricePerItem As Single, SalesTaxDue As Single, TotalAmtDue As Single
   Private Sub btnCalculateSales_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnCalculateSales.Click
       txtOrigPricePerItem.Text = OriginalPrice
       OriginalPrice = FormatCurrency(txtOrigPricePerItem.Text)
       txtQuantityPurchased.Text = Val(txtQuantityPurchased.Text)
       txtDiscountedSalesTotal.Text = DiscSalesTotal
       DiscSalesTotal = FormatCurrency(txtDiscountedSalesTotal.Text)
       txtSalesPricePerItem.Text = SalesPricePerItem
       SalesPricePerItem = FormatCurrency(txtSalesPricePerItem.Text)
       txtSalesTaxDue.Text = SalesTaxDue
       SalesTaxDue = FormatCurrency(txtSalesTaxDue.Text)
       txtTotalAmtDue.Text = TotalAmtDue
       TotalAmtDue = FormatCurrency(txtTotalAmtDue.Text)
       txtSalesDiscRate.Text = SalesDiscRate
       txtSalesDiscRate.Text = FormatPercent((SalesDiscRate) / 100)
       If QuantityPurchased >= 1 <= 10 Then
           SalesDiscRate = 5%
       End If
       If QuantityPurchased >= 11 <= 20 Then
           SalesDiscRate = 10%
       Else
           If QuantityPurchased >= 21 Then
               SalesDiscRate = 15%
           End If
       End If
       SalesPricePerItem = OriginalPrice * ((100 - SalesDiscRate) / 100)
       DiscSalesTotal = CSng(SalesPricePerItem) * CSng(QuantityPurchased)
       SalesTaxDue = CSng(DiscSalesTotal) * (7 / 100)
       TotalAmtDue = CSng(DiscSalesTotal) + CSng(SalesTaxDue)

   End Sub

I have to set the if n else condition for sales discount rate, when I input the the original price and quantity, the Original price goes to zero and everything becomes and also the if condition I set is not working

Posted 23-Feb-11 13:26pm

waqi19

Updated 23-Feb-11 14:20pm

Henry Minute

v3

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Henry Minute 23-Feb-11 20:21pm

Please ignore my previous message.

I have just spotted your explanation included in the code.

I have edited it so that it is outside the code block. :)

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badprog · Answer 1 · 2011-02-23T14:28:00

I would start with the If Then block...

I am not familiar with VB but I am just trying to help

VB

If QuantityPurchased >= 1 And QuantityPurchased <= 10 Then
    SalesDiscRate = 5%
End If
If QuantityPurchased >= 11 And QuantityPurchased <= 20 Then
    SalesDiscRate = 10%
Else
    If QuantityPurchased >= 21 Then
        SalesDiscRate = 15%
    End If
End If