1     protected void Button2_Click(object sender, EventArgs e)
 2     {
 3 
 4         string URL = TextBox3.Text;
 5         try
 6         {
 7             
 8             List<string> Strs = GetAllFileName(URL);
 9             int count = Strs.Count;
10 
11             string content = "";
12             for (int i = 0; i < count; i++)
13             {
14                 content += Strs[i].ToString() + ";   ";
15             }
16             TextBox1.Text = content;
17         }
18         catch
19         {
20 
21         }
22     }
23 
24 
25     public List<string> GetAllFileName(string url)
26     {
27 
28         string str0 = url;
29          List<string> list=new List<string>();
30         try
31         {
32             DirectoryInfo info = new DirectoryInfo(str0);
33             FileSystemInfo[] files = info.GetFileSystemInfos();
34             Array arr = files.ToArray();
35             for (int i = 0; i < arr.Length; i++)
36             {
37                 string Str = arr.GetValue(i).ToString();
38                     list.Add(Str);
39             }
40         }
41         catch
42         {
43             
44         }
45 
46         return list;
47         
48     }