CODEWITHSUNDEEP
c#
andySF
andySF

Reputation: 604

Recursive search method in c#

I decided not to keep the reports in the application as embedded resources anymore, and move them to the server locally. The advantages are obvious, but considering that I want to organize the directories (common reports, letterheads, etc.) in a legible way. I need a way to load reports only by name, calling a recursive search method. My plan is to use a cache that can be built at start of the application and then search in a list OR use a method that seeks report name each time I need... Any ideas and an example eventually with code(c#) are very welcomed!

Folder Structure can be like:

\\webserver\Reports(report files with unique names)

\\webserver\Reports\Common(report files with unique names)

\\webserver\Reports\Manager1(report files with unique names)

\\webserver\Reports\Manager1\Invoices(report files with unique names)

\\webserver\Reports\ManagerN(report files with unique names)

Hope to be useful this exemplification! Thank you!

Upvotes: 0

Views: 2216

Answers (3)

Mel Gerats
Mel Gerats

Reputation: 2252

If you want to search directories recursivly for a certain extension:

var d = new DirectoryInfo("\\\\webserver\\Reports");
var files =  d.GetFiles(".rpt", SearchOption.AllDirectories);

Upvotes: 5

oldbrazil
oldbrazil

Reputation: 367

please refer to this article by Microsoft How to recursively search directories by using Visual C#

It explains how to write your recursive function (which is very simple in c#)

If your directory tree is not too huge (less than 100 dirs and less than, say, 50 files in each dir), then a cache is not necessary (in my humble opinion). If you build a cache, you have to take care of it (ie. handle the case when it has to be updated etc) 

void DirSearch(string sDir) {
try 
{
   foreach (string d in Directory.GetDirectories(sDir)) 
   {
    foreach (string f in Directory.GetFiles(d, txtFile.Text)) 
    {
       lstFilesFound.Items.Add(f);
    }
    DirSearch(d); /// Recursive Call !!
   }
}
catch (System.Exception excpt) 
{
    Console.WriteLine(excpt.Message);
}}

Upvotes: 1

Jay
Jay

Reputation: 57899

How about instead of searching every time, you record the exact location of the reports in a section of your application's configuration file? Maybe that is what you mean by building a cache.

Upvotes: 1

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