Login form using Xml File(checking username and password),xml file.

Question

0.00/5 (No votes)

See more:

We are using Login form using xml file already i insert a data into xml.
my code has some errors......plz help me

while i am executing this it check all elements Email,Gender,Location,DateOfBirth including Name and password
directly o/p shows like this: "Plz check UR Username and Password"
My xml file

XML

<employees>
  <Name>vamsi</Name>
  <Password>vamsi123</Password>
  <Email>vamsi@123</Email>
  <Gender>Male</Gender>
  <Location>Hyderbad</Location>
  <DateOfBirth>22/05/1988</DateOfBirth>
</employees>

C#

try
        {
            XmlDocument myxmldocument = new XmlDocument();
            //XmlTextReader reader = new XmlTextReader(Server.MapPath("Register.xml"));
            myxmldocument.Load("Register.xml");
            XmlNodeReader reader=new XmlNodeReader(myxmldocument);
            
             myxmldocument.Load(Server.MapPath("Register.xml"));
            while (reader.Read())
            {

                 reader.MoveToElement();
                if ((reader.NodeType == XmlNodeType.Element) && (reader.Name == "Name"))
                {
                    string sname;
                    sname = reader.ReadString();
                    if (sname != TextBox1.Text)
                    {
                        reader.Skip();
                    }
                

                 else if ((reader.NodeType == XmlNodeType.Element) && (reader.Name == "Password"))
                    {
                        string spass;
                        spass = reader.ReadString();
                        if (spass == TextBox2.Text)
                        {
                            Response.Redirect("Welcome.aspx");
                        }

                    }
}
                }

            
            lblmsg.Text = "Plz check UR Username and Password";
        }
        catch (Exception ex)
        {
            lblmsg.Text = ex.Message;
        }

Posted 4-Mar-12 18:37pm

tirumalarao123

Updated 4-Mar-12 22:03pm

v6

Add a Solution

Comments

Sudip Saha 5-Mar-12 0:43am

What is error you are having ...please mention in question

Uday P.Singh 5-Mar-12 1:04am

mention the error message! so that we can help you better.

5 solutions

Add a Solution

Add your solution here

Treat my content as plain text, not as HTML

Preview 0

…

Existing Members

Sign in to your account

...or Join us

Download, Vote, Comment, Publish.

Your Email
Password
Forgot your password?

Your Email
This email is in use. Do you need your password?
Optional Password

I have read and agree to the Terms of Service and Privacy Policy
Please subscribe me to the CodeProject newsletters

When answering a question please:

Read the question carefully.
Understand that English isn't everyone's first language so be lenient of bad spelling and grammar.
If a question is poorly phrased then either ask for clarification, ignore it, or edit the question and fix the problem. Insults are not welcome.
Don't tell someone to read the manual. Chances are they have and don't get it. Provide an answer or move on to the next question.

Let's work to help developers, not make them feel stupid.

This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

tirumalarao123 · Answer 1 · 2012-03-04T22:38:00

hiiii guys i get solution for this if i tale login control it is easy for
me if we give any modifications for above code plz mail me tirumalarao.kodumuri@gmail.com

the solution for above is

protected void Login1_Authenticate(object sender, AuthenticateEventArgs e)
{
string username;
string pwd;
string CurrentUser = "";
string CurrentPwd = "";
bool LoginStatus = false;
username = Login1.UserName;
pwd = Login1.Password;
XmlDocument xmxdoc = new XmlDocument();
xmxdoc.Load(Server.MapPath("Register.xml"));
XmlNodeList xmlnodelist = xmxdoc.GetElementsByTagName("employees");
foreach (XmlNode xn in xmlnodelist)
{
XmlNodeList xmlnl = xn.ChildNodes;
foreach (XmlNode xmln in xmlnl)
{
if (xmln.Name == "Name")
{
if (xmln.InnerText == username)
{
CurrentUser = username;
}
}
if (xmln.Name == "Password")
{
if (xmln.InnerText == pwd)
{
CurrentPwd = pwd;
}
}
}
if ((CurrentUser != "") & (CurrentPwd != ""))
{
LoginStatus = true;
}
}
if (LoginStatus == true)
{
Session["UserAuthentication"] = username;
Session.Timeout = 1;
Response.Redirect("welcome.aspx");
}
else
{
Session["UserAuthentication"] = "";
}
}

tirumalarao123 · Answer 2 · 2012-03-04T19:50:00

plz check the if loops below is there any error plz tell me

C#

try
        {
            XmlDocument myxmldocument = new XmlDocument();
            XmlTextReader reader = new XmlTextReader(Server.MapPath("Register.xml"));
            
             myxmldocument.Load(Server.MapPath("Register.xml"));
             while (reader.Read())
             {

                 
                 if ((reader.NodeType == XmlNodeType.Element) && (reader.Name == "Name"))
                 {
                     string sname;
                     sname = reader.ReadString();
                     if (sname != TextBox1.Text)
                     {
                         lblmsg.Text = "Plz check UR Username";
                         reader.Skip();
                     }
                     if ((reader.NodeType == XmlNodeType.Element) && (reader.Name == "Password"))
                     {
                         string spass;
                         spass = reader.ReadString();
                         if (spass == TextBox2.Text)
                         {
                             Response.Redirect("Welcome.aspx");
                         }
                         else
                         {
                             reader.Skip();
                         }
     
                     }
                 }
             }

            
            lblmsg.Text = "Plz check UR Username and Password";

MaulikDusara · Answer 3 · 2012-03-04T20:32:00

Solution 2

Hi,
Your solution here: Loading a DataSet from XML (ADO.NET)[^] Please check.

Posted 4-Mar-12 20:32pm

MaulikDusara

MaulikDusara · Answer 4 · 2012-03-04T21:34:00

Solution 4

pls check.
Using C# to read XML file[^]
Using MSXML to read XML documents[^]
XML: Generic File Writing and Loading Library[^]
http://www.codeproject.com/kb/XML/[^]

Posted 4-Mar-12 21:34pm

MaulikDusara

tirumalarao123 · Answer 5 · 2012-03-04T20:45:00

Solution 3

ok
but our aim is with out using xml(ADO.net).....

Posted 4-Mar-12 20:45pm