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Resources » Code Snippets » ASP.NET WebForms »
Login form in Asp.net
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Abstract:
This code shows how we can create a login form. It will check whether the password is matching for the specified username or not. If its matching then it will check the role of the user and redirect the page as per the user role.
Here is the code:
< %@ Page Language="C#" % >
< !DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd" >
< %@ Import Namespace = "System.Data.SqlClient" % >
< script runat="server" >
protected void Page_Load(object sender, EventArgs e)
{
Session["id"] = "m";
}
protected void Button1_Click1(object sender, EventArgs e)
{
SqlConnection con = new SqlConnection("Data Source=ANKIT-PC;Initial Catalog=marble;Integrated Security=True");
SqlCommand cmd = new SqlCommand("select id,password,role from login where id='" + username.Text + "'", con);
SqlDataReader dr;
con.Open();
dr = cmd.ExecuteReader();
string var1;
while (dr.Read())
{
var1 = dr["password"].ToString();
if (password.Text == var1)
{
Session["id"] = dr["role"].ToString();
if (dr["role"].ToString() == "admin_outlet")
{
Response.Redirect("admin_outlet.aspx");
}
else if (dr["role"].ToString() == "admin_godown")
{
Response.Redirect("admin_stock.aspx");
}
else if (dr["role"].ToString() == "admin_mining")
{
Response.Redirect("admin_mining.aspx");
}
else
{
Response.Redirect("guest.aspx");
}
}
else
{
message.text = "Incorrect username or password";
password.Text = "";
password.Focus();
}
}
}
< /script >
< html xmlns="http://www.w3.org/1999/xhtml" >
< head runat="server" >
< title > Untitled Page< /title >
< /head >
< body >
< form id="Form1" runat="server" >
< table border="0" cellpadding="0" cellspacing="0" width="100%" bgcolor="#FFFFFF" >
< tr >
< td width="50%" > < /td >
< td valign="top" colspan="4" >
< table border="0" width="970" cellspacing="0" cellpadding="0" background="images/fon_top.gif" >
< tr >
< td valign="top" > < /td >
< td valign="top" align="right" style="padding-top: 42" > < table border="0" cellspacing="0" cellpadding="0" style="padding-bottom: 10" >
< tr >
< td style="padding-right: 15" > < /td >
< td style="padding-left: 15; padding-right: 60" > < /td >
< /tr >
< /table > < /td >
< /tr >
< /table > < /td >
< td width="50%" > < /td >
< /tr >
< tr >
< td width="50%" > < /td >
< td background="images/fon_but.gif" colspan="4" width="770" > < a href="#" onmouseout="MM_swapImgRestore()" onmouseover="MM_swapImage('Image4','','images/but1r.gif',1)" > < /a > < a href="#" onmouseout="MM_swapImgRestore()" onmouseover="MM_swapImage('Image5','','images/but2r.gif',1)" > < /a > < a href="#" onmouseout="MM_swapImgRestore()" onmouseover="MM_swapImage('Image6','','images/but3r.gif',1)" > < /a > < a href="#" onmouseout="MM_swapImgRestore()" onmouseover="MM_swapImage('Image7','','images/but4r.gif',1)" > < /a > < a href="#" onmouseout="MM_swapImgRestore()" onmouseover="MM_swapImage('Image8','','images/but5r.gif',1)" > < /a > < /td >
< td width="50%" > < /td >
< /tr >
< tr >
< td width="50%" rowspan="5" > < /td >
< td background="images/fon.gif" valign="top" width="153" rowspan="5" height="100%" > < br/ > < a href="home.aspx" onmouseout="MM_swapImgRestore()" onmouseover="MM_swapImage('Image10','','images/but1_2.gif',1)" > < /a > < br/ > < a href="aboutus.aspx" onmouseout="MM_swapImgRestore()" onmouseover="MM_swapImage('Image11','','images/but2_2.gif',1)" > < /a > < br/ > < a href="contactus.aspx" onmouseout="MM_swapImgRestore()" onmouseover="MM_swapImage('Image13','','images/but4_2.gif',1)" > < /a > < br/ > < a href="#" onmouseout="MM_swapImgRestore()" onmouseover="MM_swapImage('Image14','','images/but5_2.gif',1)" > < /a > < br/ > < br/ > < a href="#" onmouseout="MM_swapImgRestore()" onmouseover="MM_swapImage('Image15','','images/but6_2.gif',1)" > < /a > < br/ > < a href="#" onmouseout="MM_swapImgRestore()" onmouseover="MM_swapImage('Image16','','images/but7_2.gif',1)" > < /a > < br/ > < a href="#" onmouseout="MM_swapImgRestore()" onmouseover="MM_swapImage('Image17','','images/but8_2.gif',1)" > < /a > < br/ > < a href="#" onmouseout="MM_swapImgRestore()" onmouseover="MM_swapImage('Image18','','images/but9_2.gif',1)" > < /a > < br/ > < br/ >
< div style="padding-left: 23; padding-right: 17; padding-top: 10" > < b >
< /b >
< br/ >
< br/ > < /div > < /td >
< td valign="middle" colspan="2" width="620" height="30" align="center" >
< script language="javascript1.2" type="text/javascript" >
var head=''
var top=0
var maxheight
var finished=false
var tickers=new Array()
tickers[0]='< font color="ff6600" font size="4px" font family="Copperplate Gothic Bold" > Sun Shine Marbles< /font > '
tickers[1]='< font color="ff6600" font size="4px" font family="Copperplate Gothic Bold" > Welcome to our website < /font > '
tickers[2]='< font color="ff6600" font size="4px" > The era of natural Stones< /font > '
tickers[3]='< font color="ff6600" font size="4px" > We just dont deliver marbles... we deliver your DREAM too!! < /font > '
tickers[4]='< font color="ff6600" font size="4px" > Where stone is given form & shapes that shell enthral you forever< /font > '
tickers[5]='< font color="ff6600" font size="4px" > We strive to offer highest quality products by undertaking stringent measures < /font > '
tickers[6]='< font color="ff6600" font size="4px" > We strive to offer highest quality products running checks on regular basis on our products< /font > '
for (i=1;i< =tickers.length-1;i++){
if (tickers[i].length > =tickers[top].length)
top=i
}
if (document.all)
document.write('< span id="whatsnew" style="width:100%;height=30;filter:revealTrans(duration=2,transition=19)" class="style1" > < font color="red" > '+tickers[0]+'< /font > < /span > ')
function change(){
whatsnew.innerHTML=''
whatsnew.filters.revealTrans.apply()
whatsnew.filters.revealTrans.play()
whatsnew.innerHTML=tickers[c]
if (c==tickers.length-1)
c=0
else
c+=1
setTimeout("change()",2000)
}
if (document.all)
document.write('< span id=ns style="display:none;" > ')
//-- >
< /script >
< !--Insert alternate HTML codes here
that will be seen by browsers OTHER
than IE 4.x-- > < span id="temp" style="left: 25px; position: absolute; top: 0px;" >
< script type="text/javascript" >
< !--
if (document.all){
temp.style.width=whatsnew.style.width
document.write(tickers[top])
}
begin()
function IFRAME1_onclick() {
}
//-- >
< /script > < /span > < /td >
< td valign="top" width="183" > < /td >
< td width="50%" > < /td >
< /tr >
< tr >
< td valign="top" colspan="2" rowspan="2" >
< div style="padding-left: 25; padding-right: 25; padding-top: 25; padding-bottom: 25" >
< table border="0" width="635" cellspacing="0" cellpadding="0" bgcolor="white" height="285" >
< tr >
< td >
< table width="315" height="285" >
< tr >
< td width="315" height="100" bgcolor="white" >
< /td >
< /tr >
< tr >
< td >
< /td >
< /tr >
< /table >
< /td >
< td width="320" height="285" bgcolor="white" valign="top" style="font-family: Georgia" >
< font size="2px", color="#954215" > < /font >
< /td >
< /tr >
< /table >
< /div >
< /td >
< td valign="top" background="images/fon.gif" height="140" > < table border="0" cellspacing="0" cellpadding="0" >
< tr >
< td style="width: 157px" > < /td >
< /tr > < tr >
< td style="padding-left: 20; width: 157px; height: 24px;" >
< asp:TextBox ID="username" runat="server" Width="161px" ForeColor="Black" > < /asp:TextBox > < /td >
< /tr >
< tr >
< td style="width: 157px" > < /td >
< /tr >
< tr >
< td style="padding-left: 20; padding-bottom: 7; width: 157px; height: 24px;" >
< asp:TextBox ID="password" runat="server" TextMode="Password" Width="162px" > < /asp:TextBox > < /td >
< /tr >
< tr >
< td style="padding-left: 17; width: 157px;" > < input type="checkbox" name="C1" value="ON"/ > remember me< /td >
< /tr >
< tr >
< td align="right" style="width: 157px" >
< asp:Button ID="Button1" runat="server" Style="left: -39px; background-image: url(images/sub.gif);
position: relative; top: 7px" Text="Submit" OnClick="Button1_Click1" / > < br/ > < /td >
< /tr >
< /table >
< asp:Label ID="message" runat="server" Text="Label" Width="146px" > < /asp:Label > < td width="50%" > < /td >
< /tr >
< tr >
< td valign="top" background="images/fon.gif" width="153" height="140" > < div style="padding-left: 15; padding-right: 5; padding-top: 10" > < hr width="100%"/ > < div >
< /div >
< /div >
< /td >
< td width="50%" > < /td >
< /tr >
< tr >
< td valign="top" colspan="2" > < img border="0" src="images/m2.gif" width="635" height="20" alt=""/ > < /td >
< td valign="top" background="images/fon.gif" > < /td >
< /tr >
< tr >
< td valign="top" width="1" > < /td >
< td valign="top"
style="BORDER-RIGHT: medium none; BORDER-TOP: medium none; BORDER-LEFT: medium none; BORDER-BOTTOM: medium none; width: 820px;"
height="80" > < marquee scrollamount="3" scrolldelay="2" direction="left" behavior="alternate"
width="620" bgcolor="ffcc99" height="130" >
< /td >
< td valign="top" background="images/fon.gif" height="100%" > < /td >
< td width="50%" > < /td >
< /tr >
< tr >
< td width="50%" > < /td >
< td colspan="4" background="images/fon_bot.gif" height="72" valign="middle" align="center" >
< p style="font-size: 10px; margin-top: 7" > < font color="#FFFFFF" > Designed by Apul Vyas < /font > < /p > < /td >
< td width="50%" > < /td >
< /tr >
< /table >
< /form >
< /body >
< /html >
I have attached the aspx file with the C# code.
 Attachments
Login form (29578-24818-Default6.aspx.txt)
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