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Question

If I'm developing an application that must accommodate
multiple security levels though secure login and my ASP.NET
web application is spanned across three web-servers (using
round-robin load balancing) what would be the best approach
to maintain login-in state for the users?

Question Submitted By :: Rajeswari

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Answer Posted By

Re: If I'm developing an application that must accommodate multiple security levels though secure login and my ASP.NET web application is spanned across three web-servers (using round-robin load balancing) what would be the best approach to maintain login-in state for the users?

Answer
# 1

http://www.codeproject.com/KB/webforms/NingLiangSimpleContro
l.aspx

Is This Answer Correct ?

0 Yes

0 No

Answer
# 2

http://forums.asp.net/t/1316768.aspx

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0 Yes

0 No

Answer
# 3

http://forums.asp.net/t/1159696.aspx

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Answer
# 4

/* Deafult.aspx.cs */

using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;
using System.Text;

public partial class UI_Default3 : System.Web.UI.Page
{
    public string projTable = string.Empty;
    public string projCode = string.Empty;
    public DataSet dst = null;
    protected void Page_Load(object sender, EventArgs e)
    {
        dst = new DataSet();
        dst = PopulateData.LoadProject();
        StringBuilder sb = new StringBuilder();

        if (Request.QueryString["projCode"] != null) {
            projCode = Request.QueryString
["projCode"].ToString();
        }

        if(dst.Tables[0].Rows.Count > 0){            
            for (int i = 0; i < dst.Tables[0].Rows.Count; 
i++) {
                sb.Append("<tr>");
                sb.Append("<td>");
                sb.Append("<a href=\"../UI/Default3.aspx?
projCode=" + dst.Tables[0].Rows[i]["ProjCode"] + "\"><img 
src=\"../Images/Tree.GIF\" /></a>");
                sb.Append("</td>");
                sb.Append("<td>");
                sb.Append("<a href=\"../UI/Default3.aspx?
projCode=" + dst.Tables[0].Rows[i]["ProjCode"] + "\">" + 
dst.Tables[0].Rows[i]["ProjDesc"] + "</a>");
                sb.Append("</td>");
                sb.Append("</tr>");

                sb.Append("<tr>");
                sb.Append("<td colspan=\"2\">");

                if (!projCode.Equals(string.Empty) && 
projCode.Equals(dst.Tables[0].Rows[i]["ProjCode"].ToString
())) {                
                    DataSet dstNew = new DataSet();
                    dstNew = PopulateData.LoadDivision
(projCode);

                    sb.Append("<table border=\"1\" >");
                    sb.Append("<tr>");
                    sb.Append("<td>Division ID</td>");
                    sb.Append("<td>Division Name</td>");
                    sb.Append("</tr>");

                    for (int j = 0; j < dstNew.Tables
[0].Rows.Count; j++) {
                        sb.Append("<tr>");
                        sb.Append("<td>" + dstNew.Tables
[0].Rows[j]["DivisionID"] + "</td>");
                        sb.Append("<td>" + dstNew.Tables
[0].Rows[j]["DivisionName"] + "</td>");
                        sb.Append("</tr>");
                    }
                    sb.Append("</table>");
                    projCode = string.Empty;
                }

                sb.Append("<tr>");
                sb.Append("<td>");
            }
            projTable = sb.ToString();
        }

        

        
    }
}

-----------------------------------------------------------

/* Default.aspx */

<%@ Page Language="C#" AutoEventWireup="true" 
CodeFile="Default3.aspx.cs" Inherits="UI_Default3" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 
Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-
transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>Untitled Page</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
    <table>
    <% =projTable %>
    </table>
    </div>
    </form>
</body>
</html>

Is This Answer Correct ?

0 Yes

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Answer
# 5

using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;
using System.Text;

public partial class UI_Default3 : System.Web.UI.Page
{
    public string projTable = string.Empty;
    public string projCode = string.Empty;
    public string expand = string.Empty;
    public DataSet dst = null;
    protected void Page_Load(object sender, EventArgs e)
    {
        dst = new DataSet();
        dst = PopulateData.LoadProject();
        StringBuilder sb = new StringBuilder();

        if (Request.QueryString["projCode"] != null) {
            projCode = Request.QueryString
["projCode"].ToString();            
        }

        if (Request.QueryString["expand"] != null) {
            expand = Request.QueryString["expand"].ToString
();
        }

        if (Session["projCode"] != null && Session
["projCode"].ToString() != string.Empty) {
            if (expand.Equals("1")) {
                Session["projCode"] = Session
["projCode"].ToString() + projCode + ",";
            } else {
                Session["projCode"] = Session
["projCode"].ToString().Replace((projCode + ","), "");
            }
        } else {
            Session["projCode"] = projCode + ",";
        }

        string sProjCode = string.Empty;
        sProjCode = Session["projCode"].ToString();

        if(dst.Tables[0].Rows.Count > 0){            
            for (int i = 0; i < dst.Tables[0].Rows.Count; 
i++) {
                sb.Append("<tr>");
                sb.Append("<td>");
                if (sProjCode.IndexOf(dst.Tables[0].Rows[i]
["ProjCode"].ToString()) >= 0) {
                    sb.Append("<a 
href=\"../UI/Default3.aspx?projCode=" + dst.Tables[0].Rows
[i]["ProjCode"] + "&expand=0\"><img 
src=\"../Images/close.GIF\" /></a>");
                } else {
                    sb.Append("<a 
href=\"../UI/Default3.aspx?projCode=" + dst.Tables[0].Rows
[i]["ProjCode"] + "&expand=1\"><img 
src=\"../Images/open.GIF\" /></a>");
                }
                sb.Append("</td>");
                sb.Append("<td>");
                if (sProjCode.IndexOf(dst.Tables[0].Rows[i]
["ProjCode"].ToString()) >= 0) {
                    sb.Append("<a 
href=\"../UI/Default3.aspx?projCode=" + dst.Tables[0].Rows
[i]["ProjCode"] + "&expand=0\">" + dst.Tables[0].Rows[i]
["ProjDesc"] + "</a>");
                } else {
                    sb.Append("<a 
href=\"../UI/Default3.aspx?projCode=" + dst.Tables[0].Rows
[i]["ProjCode"] + "&expand=1\">" + dst.Tables[0].Rows[i]
["ProjDesc"] + "</a>");
                }
                sb.Append("</td>");
                sb.Append("</tr>");

                sb.Append("<tr>");
                sb.Append("<td colspan=\"2\">");

                if (!sProjCode.Equals(string.Empty) && 
(sProjCode.IndexOf(dst.Tables[0].Rows[i]
["ProjCode"].ToString()) >= 0) ) {                
                    DataSet dstNew = new DataSet();
                    dstNew = PopulateData.LoadDivision
(dst.Tables[0].Rows[i]["ProjCode"].ToString());

                    sb.Append("<table border=\"1\" >");
                    sb.Append("<tr>");
                    sb.Append("<td>Division ID</td>");
                    sb.Append("<td>Division Name</td>");
                    sb.Append("</tr>");

                    for (int j = 0; j < dstNew.Tables
[0].Rows.Count; j++) {
                        sb.Append("<tr>");
                        sb.Append("<td>" + dstNew.Tables
[0].Rows[j]["DivisionID"] + "</td>");
                        sb.Append("<td>" + dstNew.Tables
[0].Rows[j]["DivisionName"] + "</td>");
                        sb.Append("</tr>");
                    }
                    sb.Append("</table>");
                }

                sb.Append("<tr>");
                sb.Append("<td>");
            }
            projTable = sb.ToString();
        }

        

        
    }
}

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Answer
# 6

/* Alternate row color */

for (int j = 0; j < dstNew.Tables[0].Rows.Count; j++) {
                        if (j % 2 == 0) {
                            sb.Append("<tr class=\"row\">");
                        }else{
                            sb.Append("<tr 
class=\"altRow\">");
                        }
                        sb.Append("<td>" + dstNew.Tables
[0].Rows[j]["DivisionID"] + "</td>");
                        sb.Append("<td>" + dstNew.Tables
[0].Rows[j]["DivisionName"] + "</td>");
                        sb.Append("</tr>");
                    }


/* Style */

.row{
            background-color:Gray;
        }
        .alrRow{
            background-color:Olive;
        }

Is This Answer Correct ?

0 Yes

0 No

Answer
# 7

using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;
using System.Text;

public partial class UI_Default3 : System.Web.UI.Page
{
    public string projTable = string.Empty;
    public string projCode = string.Empty;
    public string expand = string.Empty;
    public string expandAll = string.Empty;
    public DataSet dst = null;
    protected void Page_Load(object sender, EventArgs e)
    {
        dst = new DataSet();
        dst = PopulateData.LoadProject();
        StringBuilder sb = new StringBuilder();

        if (Request.QueryString["projCode"] != null) {
            projCode = Request.QueryString
["projCode"].ToString();            
        }

        if (Request.QueryString["expand"] != null) {
            expand = Request.QueryString["expand"].ToString
();
        }

        if (Request.QueryString["expandAll"] != null) {
            expandAll = Request.QueryString
["expandAll"].ToString();
        }

        if (expandAll.Equals("1")) {
            Session.Remove("projCode");
            for (int i = 0; i < dst.Tables[0].Rows.Count; 
i++) {
                if (Session["projCode"] != null && Session
["projCode"].ToString() != string.Empty) {
                    Session["projCode"] = Session
["projCode"].ToString() + dst.Tables[0].Rows[i]
["ProjCode"].ToString() + ",";
                } else {
                    Session["projCode"] = dst.Tables[0].Rows
[i]["ProjCode"].ToString() + ",";
                }
            }
        } else if (expandAll.Equals("0")) {
            Session.Remove("projCode");
        }

        if (Session["projCode"] != null && Session
["projCode"].ToString() != string.Empty) {
            if (expand.Equals("1")) {
                Session["projCode"] = Session
["projCode"].ToString() + projCode + ",";
            } else if(expand.Equals("0")) {
                Session["projCode"] = Session
["projCode"].ToString().Replace((projCode + ","), "");
            }
        } else {
            if (!projCode.Equals(string.Empty)) {
                Session["projCode"] = projCode + ",";
            } else {
                Session["projCode"] = string.Empty;
            }
        }

        string sProjCode = string.Empty;
        sProjCode = Session["projCode"].ToString();

        sb.Append("<tr>");
        sb.Append("<td>");

        if (expandAll.Equals("1")) {
            sb.Append("<a href=\"../UI/Default3.aspx?
expandAll=0\">Collapse all</a>");
        } else {
            sb.Append("<a href=\"../UI/Default3.aspx?
expandAll=1\">Expand all</a>");
        }

        sb.Append("</td>");
        sb.Append("</tr>");

        if(dst.Tables[0].Rows.Count > 0){            
            for (int i = 0; i < dst.Tables[0].Rows.Count; 
i++) {
                sb.Append("<tr>");
                sb.Append("<td>");
                if (sProjCode.IndexOf(dst.Tables[0].Rows[i]
["ProjCode"].ToString()) >= 0) {
                    sb.Append("<a 
href=\"../UI/Default3.aspx?projCode=" + dst.Tables[0].Rows
[i]["ProjCode"] + "&expand=0\"><img 
src=\"../Images/close.GIF\" /></a>");
                } else {
                    sb.Append("<a 
href=\"../UI/Default3.aspx?projCode=" + dst.Tables[0].Rows
[i]["ProjCode"] + "&expand=1\"><img 
src=\"../Images/open.GIF\" /></a>");
                }
                sb.Append("</td>");
                sb.Append("<td>");
                if (sProjCode.IndexOf(dst.Tables[0].Rows[i]
["ProjCode"].ToString()) >= 0) {
                    sb.Append("<a 
href=\"../UI/Default3.aspx?projCode=" + dst.Tables[0].Rows
[i]["ProjCode"] + "&expand=0\">" + dst.Tables[0].Rows[i]
["ProjDesc"] + "</a>");
                } else {
                    sb.Append("<a 
href=\"../UI/Default3.aspx?projCode=" + dst.Tables[0].Rows
[i]["ProjCode"] + "&expand=1\">" + dst.Tables[0].Rows[i]
["ProjDesc"] + "</a>");
                }
                sb.Append("</td>");
                sb.Append("</tr>");

                sb.Append("<tr>");
                sb.Append("<td colspan=\"2\">");

                if ((!sProjCode.Equals(string.Empty) && 
(sProjCode.IndexOf(dst.Tables[0].Rows[i]
["ProjCode"].ToString()) >= 0))) {                
                    DataSet dstNew = new DataSet();
                    dstNew = PopulateData.LoadDivision
(dst.Tables[0].Rows[i]["ProjCode"].ToString());

                    sb.Append("<table border=\"1\" >");
                    sb.Append("<tr>");
                    sb.Append("<td>Division ID</td>");
                    sb.Append("<td>Division Name</td>");
                    sb.Append("</tr>");

                    for (int j = 0; j < dstNew.Tables
[0].Rows.Count; j++) {
                        if (j % 2 == 0) {
                            sb.Append("<tr class=\"row\">");
                        }else{
                            sb.Append("<tr 
class=\"altRow\">");
                        }
                        sb.Append("<td>" + dstNew.Tables
[0].Rows[j]["DivisionID"] + "</td>");
                        sb.Append("<td>" + dstNew.Tables
[0].Rows[j]["DivisionName"] + "</td>");
                        sb.Append("</tr>");
                    }
                    sb.Append("</table>");
                }
                sb.Append("</td>");
                sb.Append("</tr>");
                
            }
            projTable = sb.ToString();
        }

        

        
    }
}

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Question	Asked @	Answers
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