Listbox SelectedItem addition

[manch]

I need some help with this, just can't seem to get it straight.


I need to write a loop that will add each item of a listbox to get a Sum of the numbers inside.

I am using vb.net 2005

[manch]

Here is what i have so far...

 intTnum = lstNum.Items.Count
 
        For intX = 0 To intTnum
            intTLoop = lstNum.Items(0)
            intTSum = intTSum + intTLoop
            intX += 1
        Next intX

How can i increment lstNum.Items(0) to the next number with each repetition of the loop?

[danp129]

Didn't test but this should work:

For intX = 0 To lstNum.Items.Count
    intTLoop = lstNum.Items(intX)
    intTSum = intTSum + intTLoop
Next 'intX this is optional

[Killer42]

Here is what i have so far...

 intTnum = lstNum.Items.Count
 
        For intX = 0 To intTnum
            intTLoop = lstNum.Items(0)
            intTSum = intTSum + intTLoop
            intX += 1
        Next intX

...

You're actually very close. Just two problems jump out at me...

1. lstNum.Items(0) should be lstNum.Items(intX)
2. The For loop automatically increments the counter (intX in this case). So by adding 1 to it again, you will be skipping every second item.

[Killer42]

I have a question about list box too if i may..

I'm going to split this question and my response to a new thread, just so they're easier for others to find. I'll come back and put a link here.

...

Ok, it's How to sum a 'column' in a listbox holding tab-delimited text