Displaying Files with a Hyperlink to download them: ASP Alliance


Displaying Files with a Hyperlink to download them

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by Rajiv R.
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Introduction

Someone requested for help on displaying all the files in a directory with a Hyperlink to download it, and this is in reponse to that!

It quiet simple! We use the DirectoryInfo and FileInfo classes of System.IO namespace.

System.IO.DirectoryInfo di=new System.IO.DirectoryInfo("C:\\Inetpub\\wwwroot\\WebApplication2");

Code

We start with creating a DirectoryInfo object and the directory whose files has been to displayed is passed to the constructor.

System.IO.FileInfo[] fiArr=di.GetFiles();

Next, we call the GetFiles() method of the DirectoryInfo object. It returns a array of FileInfo objects.

foreach (System.IO.FileInfo fi in fiArr)
{
Response.Write("<a href='"+fi.Name+"'>"+fi.Name+ "<br>") ;
}

Last, for each FileInfo object, we construct a anchor tag.

Alternatively, We can create Hyperlink objects,set the Text and NavigateURL properties and add it to the page.

HyperLink hl=new HyperLink(); hl.NavigateUrl=fi.Name; hl.Text=fi.Name; Page.Controls.Add(hl);

VB.NET Code:

Dim di As New System.IO.DirectoryInfo("C:\Inetpub\wwwroot\WebApplication2\")
Dim fiArr As System.IO.FileInfo() = di.GetFiles()
Dim fi As System.IO.FileInfo

For Each fi In fiArr
Response.Write("<a href='" + fi.Name + "'>" + fi.Name + "<br>")
Next fi

Send your comments to rajiv.raj@wipro.com

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