There is still this issue, and I am still unable to fix it. If I add a number for the item Name, the itemsSold(itemsSold.Length) highlights, and if I add a name like "shoe", it is also wrong. 0 referencesPrivate Sub btnSubmit Price_Click(senderAs Object, e As EventArgs) Handles btnSubmitPrice. ClickDim price As Double = InputBox("Enter Price: ", "Enter a Number")Dim itemName As String = InputBox("Enter Item Name: ", "Enter a Name")' Create a new TagSaleItem object with the price and name, then store it in the array and update the statistDim newItem As New Tag SaleItem (price, itemName)ReDim Preserve items Sold (items Sold.Length)items Sold (items Sold. Length - 1) = newItem► totalSales + pricetotalItems += 1averageSale Price = totalSales / totalItems'Display the statisticslblTotalSales.Text = "Total Sales: " + totalblTotalItems.Text = "Total Items: " + totalblAverageSale Price.Text = "Average Sale PrEnd SubLEXException ThrownSystem.NullReferenceException: 'Object reference not set to aninstance of an object.'Show Call Stack View Details | Copy Details | Start Live Share sessionException Settings✔Break when this exception type is thrownExcept when thrown from:Tag Sale.exe

The error you are encountering is likely because the itemSold array is not zero-based and you are…

Answered: There is still this issue, and I am…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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There is still this issue, and I am still unable to fix it. If I add a number for the item Name, the itemsSold(itemsSold.Length) highlights, and if I add a name like "shoe", it is also wrong.

0 references
Private Sub btnSubmit Price_Click(sender
As Object, e As EventArgs) Handles btnSubmitPrice. Click
Dim price As Double = InputBox("Enter Price: ", "Enter a Number")
Dim itemName As String = InputBox("Enter Item Name: ", "Enter a Name")
' Create a new TagSaleItem object with the price and name, then store it in the array and update the statist
Dim newItem As New Tag SaleItem (price, itemName)
ReDim Preserve items Sold (items Sold.Length)
items Sold (items Sold. Length - 1) = newItem
► totalSales + price
totalItems += 1
averageSale Price = totalSales / totalItems
'Display the statistics
lblTotalSales.Text = "Total Sales: " + tota
lblTotalItems.Text = "Total Items: " + tota
lblAverageSale Price.Text = "Average Sale Pr
End Sub
LEX
Exception Thrown
System.NullReferenceException: 'Object reference not set to an
instance of an object.'
Show Call Stack View Details | Copy Details | Start Live Share session
Exception Settings
✔Break when this exception type is thrown
Except when thrown from:
Tag Sale.exe

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Follow-up Question

No matter what I do, entering any sort of text in the 'enter item name' does not work

O references
Private Sub btnSubmit Price_Click(sender
As Object, e As EventArgs) Handles btnSubmit Price. Click
Dim price As Double = InputBox("Enter Price: ", "Enter a Number")
Dim itemName As String = InputBox("Enter Item Name: " "Enter a Name")
I
' Create a new TagSaleItem object with the price and name, then store it in the array and update the statistics
Dim newItem As New TagSaleItem(price, itemName)
ReDim Preserve itemsSold (items Sold.Length)
items Sold (items Sold. Length - 1) = newItem
totalSales += price
totalItems += 1
averageSale Price = totalSales / totalItems
Display the statistics
lblTotalSales.Text = "Total Sales: " + totalSales.ToString()
lblTotalItems.Text = "Total Items: " + totalItems.ToString()
lblAverageSale Price.Text = "Average Sale Price: " + average Sale Price.ToString()
End Sub

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