Detect the files exist or not

[Agnes]

My asp.net web page will allow user to d/l the invoice and PO .
there are two buttons. (invoice and PO) in the datagrid ( i use repeater)
however, not every invoice got the PO , so I need to detect whether the PO
(pdf exists or not ), if the files doesn't exit, I need to make the button
's visible =.F.
How can I do that in aspx.vb

Thanks a lot

 

[Eliyahu Goldin]

System.IO.File.Exists method will tell you if the file exists.

You need to handle ItemDataBound event for the repeater. In the event set
the button visibility depending on the System.IO.File.Exists method result.

 

[Steve C. Orr [MVP, MCSD]]

Use the File.Exists method in the System.IO namespace.

Here's more info:
http://msdn2.microsoft.com/en-us/library/system.io.file.exists.aspx