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How to pick only the filename from FileInfo

Posted on 2012-04-11
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Last Modified: 2012-04-11
I am getting the files from FileInfo class as follows:
DirectoryInfo dir = new DirectoryInfo(MapPath("Files/"));
        FileInfo[] files = dir.GetFiles(string.Format("{0}_*.pdf".ToUpper(), TextBox1.Text));
        ArrayList listItems = new ArrayList();
        foreach (FileInfo info in files)
        {
            listItems.Add(info);
            Response.Write(info.ToString() + "<BR>");
        }
        GridView1.DataSource = files;
        GridView1.DataBind();

But when i assign it to gridview, it lists all the information of the file.
How to pick only the filename.
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Question by:searchsanjaysharma
  • 3
  • 3
7 Comments
 
LVL 20

Expert Comment

by:BuggyCoder
ID: 37831364
Rather than using DirectoryInfo, you can use

List<string> lstFiles = Directory.GetFiles("Path",string.Format("{0}_*.pdf".ToUpper(), TextBox1.Text),SearchOptions.AllDirectories).ToList()
GridView1.DataSource = lstFiles;
GridView1.DataBind();

Open in new window


This will return you an array of filenames...

Otherwise here is fileinfo way:-
foreach (FileInfo info in files)
        {
            listItems.Add(info.Name);
            Response.Write(info.ToString() + "<BR>");
        }

Open in new window

0
 

Author Comment

by:searchsanjaysharma
ID: 37831396
Not working, giving error in searchoptions.
the name 'SearchOptions' does not exist in the current context
List<string> lstFiles = Directory.GetFiles("Path",string.Format("{0}_*.pdf".ToUpper(), TextBox1.Text),SearchOptions.AllDirectories).ToList()
GridView1.DataSource = lstFiles;
GridView1.DataBind();
0
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LVL 20

Expert Comment

by:BuggyCoder
ID: 37831429
Sorry, A Typo in my last post :-), Here is the correct one:-

List<string> lstFiles = Directory.GetFiles("Path",string.Format("{0}_*.pdf".ToUpper(), TextBox1.Text),SearchOption.AllDirectories).ToList()
GridView1.DataSource = lstFiles;
GridView1.DataBind();

Open in new window


Here is another option to get you filename and path in an anonymous type:-

var lstFiles =Directory.GetFiles("Path",string.Format("{0}_*.pdf".ToUpper(), TextBox1.Text), SearchOption.AllDirectories).Select(f=>new {FileName = f.Substring(f.LastIndexOf('\\') + 1), FilePath = f}).ToList();

GridView1.DataSource = lstFiles;
GridView1.DataBind();

Open in new window

0
 

Author Comment

by:searchsanjaysharma
ID: 37831447
This picks the whole path i want only the file name

List<string> lstFiles = Directory.GetFiles(MapPath("Files/"), string.Format("{0}_*.pdf".ToUpper(), TextBox1.Text), SearchOption.AllDirectories).ToList();
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LVL 20

Accepted Solution

by:
BuggyCoder earned 2000 total points
ID: 37831473
var lstFiles =Directory.GetFiles("Path",string.Format("{0}_*.pdf".ToUpper(), TextBox1.Text), SearchOption.AllDirectories).Select(f=>new {FileName = f.Substring(f.LastIndexOf('\\') + 1), FilePath = f}).ToList();

GridView1.DataSource = lstFiles;
GridView1.DataBind();

Open in new window

0
 

Author Closing Comment

by:searchsanjaysharma
ID: 37831524
ok
0

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