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ASP.NET 1.0 and 1.1 Basics ASP.NET discussion for users new to coding in ASP.NET 1.0 or 1.1. NOT for the older "classic" ASP 3 or the newer ASP.NET 2.0.
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Old December 5th, 2005, 04:39 PM
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Default linkbutton control

When I set a hyperlink with this control pointing to a file on the server it fails to find the file except when the page is run from the server. Here is the snippet

<asp:LinkButton id="LinkButton11" runat="server" OnClick="LinkButton11_Click">Open File</asp:LinkButton>

The code behind is this

Public Sub LinkButton11_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles LinkButton12.Click

Dim frame1 As HtmlControl = CType(Me.FindControl("iframe1"), HtmlControl)
frame1.Attributes("src") = "d:\Data\Issues\Ext Nos.pdf"

End Sub

I would be grateful for any ideas.

thanks

jake
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Old December 6th, 2005, 02:30 PM
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If I'm browsing your web application from my computer (which doesn't have a D: drive), how will my computer ever find "d:\Data\Issues\Ext Nos.pdf"? As far as my browser is concerned, it is looking for that file locally.

You'll need to build a page that takes the desired file name as a querystring argument (viewfile.aspx?file=d:\Data\Issues\Ext Nos.pdf) and reads that file and feeds back the binary data of that file. The only other option is to put the files in a disk location that is accessible thru your web server. Then you can provide the browser the web relative address to the file. For example:

1. Either put the files in a folder of the web application, or create a virtual directory that points to the server's physical location of those files:
   Virtual directory in the root of the web server called "data" that points to "D:\data" on the web server.

2. Change your code to reflect the virtual location created in step 1:
   frame1.Attributes("src") = "/data/Issues/Ext Nos.pdf"




-Peter
 


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