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VB.NET Discussion Thread
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Apr 11th, 2007

Unzip Function

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Hi,

I am writing a function to unzip a zipped file. But I'm getting this error, "Cast from string "C:\temp\FileName.zip" to type 'Integer' is not valid." Below is my coding, I got this error in the bold line. May I know what does the casting error mean here? Why do I need to cast the string of my zip file path to integer?

(Toggle Plain Text)

ExtractZIPfiles(Directory.GetFiles(strFullDirectoryPath, "*.Zip"))


Private Sub ExtractZIPfiles(ByVal pathList() As String)
        Dim x As New ICSharpCode.SharpZipLib.Zip.FastZip
        Dim strFullDirectoryPath As String = Path.GetFullPath("C:\temp")

        For Each s As String In pathList

            x.ExtractZip(pathList(s), strFullDirectoryPath, "csv;xsl")

        Next
End Sub

wonder_gal

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Apr 11th, 2007

Re: Unzip Function

Private Sub ExtractZIPfiles(ByVal pathList() As String)
Dim x As New ICSharpCode.SharpZipLib.Zip.FastZip
Dim strFullDirectoryPath As String = Path.GetFullPath("C:\temp")

For Each s As String In pathList

x.ExtractZip(pathList(s), strFullDirectoryPath, "csv;xsl")

Next
End Sub
hi,
above function's return type may be an integer so u need to declare one variable as integer and rewrite it again as like follows
dim y as int
y=x.ExtractZip(pathList(s), strFullDirectoryPath, "csv;xsl")
it will be execute properly

Last edited by wavalker; Apr 11th, 2007 at 2:32 am.

wavalker

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Apr 11th, 2007

Re: Unzip Function

Click to Expand / Collapse Quote originally posted by wavalker ...

Private Sub ExtractZIPfiles(ByVal pathList() As String)
Dim x As New ICSharpCode.SharpZipLib.Zip.FastZip
Dim strFullDirectoryPath As String = Path.GetFullPath("C:\temp")

For Each s As String In pathList

x.ExtractZip(pathList(s), strFullDirectoryPath, "csv;xsl")

Next
End Sub
hi,
above function's return type may be an integer so u need to declare one variable as integer and rewrite it again as like follows
dim y as int
y=x.ExtractZip(pathList(s), strFullDirectoryPath, "csv;xsl")
it will be execute properly

Hi,

I've tried your suggestion, it cannot work, because it says the expression

(Toggle Plain Text)

x.ExtractZip(pathList(s), strFullDirectoryPath, "csv;xsl")

does not return a value.

So anymore suggestion?

wonder_gal

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Apr 11th, 2007

Re: Unzip Function

Hi all,

My problem been solved. Thanks for reading anyway.

wonder_gal

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Apr 11th, 2007

Re: Unzip Function

So what did you do to solve it?

arjunsasidharan

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Apr 11th, 2007

Re: Unzip Function

The problem came from the string array actually.

wonder_gal

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Re: Unzip Function

This pathList(s) is evaluated before the ExtractZip method, pathList is an array and requires an integer argument in the parenthesis representing the index number, but string s is being passed instead.

hollystyles

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Re: Unzip Function

Click to Expand / Collapse Quote originally posted by hollystyles ...

This pathList(s) is evaluated before the ExtractZip method, pathList is an array and requires an integer argument in the parenthesis representing the index number, but string s is being passed instead.

oh yeah now i get it. Thanks

arjunsasidharan

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Apr 11th, 2007

Re: Unzip Function

wonder_gal,

as you're new just to let you know, we like to explain solutions as much as possible so that other visitors with similar problems can learn from existing threads instead of starting new ones. Also as you are the owner of this thread you can mark it as solved there is an option on the screen that only you will see, that's also helpful for us to know so we don't waste time reading solved threads.

Thanks for your contribution.

Last edited by hollystyles; Apr 11th, 2007 at 8:59 am.

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Re: Unzip Function

Click to Expand / Collapse Quote originally posted by hollystyles ...

wonder_gal,

as you're new just to let you know, we like to explain solutions as much as possible so that other visitors with similar problems can learn from existing threads instead of starting new ones. Also as you are the owner of this thread you can mark it as solved there is an option on the screen that only you will see, that's also helpful for us to know so we don't waste time reading solved threads.

Thanks for your contribution.

Icic, I got it. I just marked this post as SOLVED already.
Thanks to everyone here for sharing.

wonder_gal

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This thread is solved

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