creating a matrix

[SammyB]

You need to switch lines 5 and 6; on the last iteration FileName will be null.

[dr3amxstar]

You need to switch lines 5 and 6; on the last iteration FileName will be null.

Sorry for keep asking! I swop and its back to this problem

Line2 = source2.Substri ng(n, 1)


error: object reference not set to an instance of an object.

[SammyB]

Sorry for keep asking! I swop and its back to this problem

Line2 = source2.Substri ng(n, 1)


error: object reference not set to an instance of an object.

1. Check the file
2. What is in source2
3. What is len(source2)
4. What is n

[dr3amxstar]

Dim FileName As String
        Dim Files As New List(Of String)
        FileName = Dir("D:\project1\ANN\*Chain*")
        Do While FileName <> ""

            Files.Add(FileName)
            ListBox1.Items.Add(Files)

            FileName = Dir()

        Loop

I run this code and got this as output
[Collection] - 13 of this

Is this the output i should get from the few lines?

[dr3amxstar]

oops.. I forgot to say a very big thank you for all the help given!!! Special Thanks to Killer42 and SammyB ! :D

[HelloWorldHelloWorldHello]

Your statements is very very poor.