Coding for Checking User Authentication with XML and Create login Details as XML File

XML Files

Create Xml File then use the below code to access.

C# Codings

int i, j;

   
  string users_pass = string.Empty;
  string users_fail = string.Empty;
   
  XmlDocument xml_document = new XmlDocument();
  xml_document.Load(Server.MapPath("Login_Details.xml"));
  XmlNodeList node_list = xml_document.GetElementsByTagName("username");
  for ( i = 0; i < j =" 0;" user_name="node_list[i].ChildNodes[0].InnerText;" pass_word="node_list[i].ChildNodes[1].InnerText;" pass_count =" pass_count" pass_username =" user_name.ToString();" fail_count =" fail_count">= 1)
  {
   string date = System.DateTime.Now.ToShortDateString();
  string date_format = date.Replace('/', '-');
  string path = "Login_info_" + date_format.ToString() + ".XML";
  XmlDocument xml_doc = new XmlDocument();
  xml_doc.Load(Server.MapPath(path));
  XmlNode xml_sel = xml_doc.SelectSingleNode("Login_Details");
  XmlElement xml_ele = xml_doc.CreateElement("Login_Info");
  xml_ele.SetAttribute("user_login", pass_username.ToString());
  xml_sel.AppendChild(xml_ele);
   xml_ele.SetAttribute("login_time", System.DateTime.Now.ToString());
  xml_sel.AppendChild(xml_ele);
  xml_doc.Save(Server.MapPath(path));
  Response.Write("System pass :"+pass_username.ToString());
  pass_count = 0;
  }
  else
  {
  Response.Write("System Fails :"+pass_username.ToString());
  fail_count = 0;
  }