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using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using System.Xml;
namespace xmlPoll
{
public partial class pollControl : System.Web.UI.UserControl
{
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
if (IsExist(GetIpAddress()))
MultiView1.ActiveViewIndex = 1;
else
{
MultiView1.ActiveViewIndex = 0;
pollInformation();
}
}
}
bool IsExist(string IpAddress)
{
string path = Server.MapPath(@"App_Data/list.xml");
XDocument myXml = XDocument.Load(path);
return myXml.Descendants("Ip").Where(n => ((string)n.Attribute("Address").Value == IpAddress)).Count() != 0;
}
string GetIpAddress()
{
if (Request.ServerVariables["HTTP_X_FORWARDED_FOR"] == null)
return Request.ServerVariables["REMOTE_ADDR"];
else
return Request.ServerVariables["HTTP_X_FORWARDED_FOR"];
}
void AddIpAddress(string IpAddress)
{
string path = Server.MapPath(@"App_Data/list.xml");
XDocument myXml = XDocument.Load(path);
//add
myXml.Root.Add(new XElement("Ip",
new XAttribute("Address", IpAddress)));
//save
myXml.Save(path);
}
void pollInformation()
{
string path = Server.MapPath(@"App_Data/pollData.xml");
//input xml doc
XDocument myXml = XDocument.Load(path);
//get header
lblHead.Text = myXml.Element("Poll").Attribute("name").Value;
//get answers
foreach (var att in myXml.Element("Poll").Elements("answer"))
rbQ.Items.Add(att.Attribute("text").Value);
}
protected void btnSubmit_Click(object sender, EventArgs e)
{
string IpAddress = GetIpAddress();
if (rbQ.SelectedValue != string.Empty && !IsExist(IpAddress))
{
string path = Server.MapPath(@"App_Data/pollData.xml");
//input xml doc
XDocument myXml = XDocument.Load(path);
//get value of vote
int value = Convert.ToInt32(myXml
.Descendants("answer")
.Where(n => ((string)n.Attribute("text").Value == rbQ.SelectedValue)).Single().Value);
//increase value +1
value++;
//set new value of vote
myXml.Descendants("answer").Single(n => ((string)n.Attribute("text").Value == rbQ.SelectedValue)).Value = value.ToString();
//save xml doc
myXml.Save(path);
//add ipaddress
AddIpAddress(IpAddress);
}
MultiView1.ActiveViewIndex = 1;
}
}
}
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