vb.net - How do I delete number of files from folder in asp.net? -

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I have a list of albums and albums. Now I want that when I delete a particular album, its photos will also be removed. The name of the images of a particular album is "ID 1, such as the album's name should be 1_1.1_2, hence the name of the name of" 1_ "in the time of the album's extinction.How do I remove the images, I have been confusing the "1_" in the prefix. My code is 

  String = "imagefolder = Server.MapPath (" ~ / ") as a Col_Alb_Ids Dynamic Image file in each album_id. DesktopModules / Albums / Images Upload / ") as String Ss = string_l_id and" _ "i Magefolder.Contains (ss) Dim AA string = imagefolder + ss if file.exists (imagefolder.contain (aa)) then file.delete (aa) and enfame `   
 
 
 You can call  Directory.GetFiles  in a wildcard for search:  
 C # Code  
  string [] albumFiles = directory .GetFiles (imageFolder, ss + "*. *");

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