Question

Visual Basic

Write the code snippit for the btnCalculate event handler based upon the following pseudo-code and User Interface. Don’t forget to create all variables needed and perform all necessary data conversions (ToString,TryParse). Use the control names listed in the pseudo-code. The pseudo-code is as follows

Create variables for item cost (dblCost) and item amount (dblAmount)

Get the item cost from tbxCost and place it in the variable(dblCost)

Gt item amount from tbxAmount and place in it the variable (dblAmount)

If the item amount or item cost is zero

            Display the message “Enter amount and cost” in the label (lblResult)

Else

            Calculate the total cost by multiplying the item cost by the item amount

            Display the total cost in lblResult as currency with two decimal places

Endif

Answer 1

Code:=

Dim dblCost, dblAmount As Integer
    Dim tcost As Double

    Private Sub btnCalculate_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnCalculate.Click

        dblCost = Val(tbxCost.Text)
        dblAmount = Val(tbxAmount.Text)
        If dblCost = 0 Or dblAmount = 0 Then
            lblResult.Text = "Enter the Cost and Amount"
        Else
            tcost = dblCost * dblAmount
            lblResult.Text = "Total cost is Rs. " & FormatNumber(tcost, 2)
        End If
    End Sub

    Output:=