VB Calculation code

Hello I am new to VB and am teaching myself. I am wanting to perform a simple calculation. Two text boxes (one for a price and the other for a quantity) which will subsequently display a total price in a third text box. Two activate the total I will press a button called calculate. Can anyone help with this as I have a tried a few codes and am getting a coding error. I am using a dim statement for my variables: Dim price, qty, total As Double (is double the correct data type to use?) Please help Thank you :)

Show your code.

Code as below:

Private Sub Command10_Click()
Dim price, qty, total As Double
Item_Price.Text = price
Quantity.Text = qty
Text11.Text = total
Text11.Text = Format(price * qty, "0.0")

Try this

VB Code:

Private Sub cmdcalculate_Click()
    Dim price As Double
    Dim qty As Integer
    Dim total As Double
    price = Val(Text1.Text)
    qty = Val(Text2.Text)
    Text3.Text = Format((price * qty), "000.00")
End Sub

Quote:

---

Originally Posted by mel1

Dim price, qty, total As Double

---

This Dims total as Double, but price and qty as Variants. You have to specify the type for each variable

VB Code:

Dim price As Double, qty As Double, total As Double

VB Code:

Private Sub Command10_Click()
Dim price, qty, total As Double
    [B]Item_Price.Text = price[/B]
    [B]Quantity.Text = qty[/B]
    Text11.Text = total
    Text11.Text = Format(price * qty, "0.0")
End Sub

= moves the value from right to left.

You are putting the values of the variables into the textboxes.
For your calculation you need to do it the other way around.