Use asp.net programming to process xml sorting code

// Index. aspx: displays the content of the xml file, and adds, deletes, and modifies the content.

1. Using System;
2. Using System. Data;
3. Using System. Configuration;
4. Using System. Collections;
5. Using System. Web;
6. Using System. Web. Security;
7. Using System. Web. UI;
8. Using System. Web. UI. WebControls;
9. Using System. Web. UI. WebControls. WebParts;
10. Using System. Web. UI. HtmlControls;
11. Using LTP. Accounts. Bus;
12. Using System. Xml;
13. Using System. Text;
14. Using System. Xml. XPath;
15. Using System. IO;
16. Using System. Text. RegularExpressions;
18. Public partial class Home_Pic_index: PageBase
19. {
21. // Int PermId_Add = 45; // Add product Permissions
22. // Int PermId_Search = 47; // query product Permissions
23. // Int PermId_Modify = 48; // modify product Permissions
24. // Int PermId_Delete = 49; // Delete the product permission
27. Protected void Page_Load (object sender, EventArgs e)
28. {
29. If (! Page. IsPostBack)
30. {
31. // Initialize the insert position
32. String file = Server. MapPath (ConfigurationManager. etettings ["XmlFile"]);
33. XmlDocument doc = new XmlDocument ();
34. Doc. Load (file );
36. XmlElement root = doc. DocumentElement;
37. // At this time, count 1 is set to add data to the end of the node of the xml file when you click submit directly.
38. Int count = root. ChildNodes. Count 1;
39. TxtPos. Text = count. ToString ();
40. DataBind1 ();
41. }
42. }
44. # Add BtnAdd_Click to region
45. /// <Summary>
46. /// Add a new node
47. /// </Summary>
48. /// <Param name = "sender"> </param>
49. /// <Param name = "e"> </param>
50. Protected void BtnAdd_Click (object sender, EventArgs e)
51. {
52. String strPicName = "";
53. // Image Processing
54. LJH. Common. UploadFile previusfile = new LJH. Common. UploadFile ();
55. // Set the destination address of the uploaded file
56. Previusfile. UpFilePath = Server. MapPath ("~ /Pic ");
57. // Set the virtual path of the Server File
58. Previusfile. PicUrl = "pic /";
59. // If the uploaded image is empty, the content of the EZ_PicPath field remains unchanged.
60. If (String. IsNullOrEmpty (uploadModify. PostedFile. FileName ))
61. {
62. Return;
63. }
64. If (! Regex. IsMatch (uploadModify. PostedFile. FileName, ". [.] {1} jpg |. [.] {1} gif |. [.] {1} png "))
65. {
66. Lstrap. Common. MessageBox. Show (this, "Enter the image in the format of *. jpg! ");
67. Return;
68. }
69. StrPicName = previusfile. fileSaveAs (uploadModify. PostedFile );
70. Try
71. {
72. WriteXmlData (strPicName, Convert. ToInt32 (txtPos. Text ));
73. Lstrap. Common. MessageBox. Show (this, "added successfully! ");
74. }
75. Catch
76. {
77. Lstrap. Common. MessageBox. Show (this, "failed to add! ");
78. }
79. DataBind1 ();
80. }
81. # Endregion