How to send mail in C#? ~ Code Kulshresth

How to send mail in C#?

.........................login soure...........

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

<!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></title>
<style type="text/css">
.style1
{
width: 100%;
background-color: #FFCCFF;
}
.style2
{
width: 107px;
}
</style>
</head>
<body>
<form id="form1" runat="server">
<div>

<table class="style1">
<tr>
<td class="style2">
LoginId</td>
<td>
<asp:DropDownList ID="DropDownList1" runat="server" AutoPostBack="True"
Height="16px" Width="158px">
<asp:ListItem>Admin</asp:ListItem>
<asp:ListItem>User</asp:ListItem>
</asp:DropDownList>
</td>
</tr>
<tr>
<td class="style2">
Username</td>
<td>
<asp:TextBox ID="TextBox2" runat="server" Height="16px" Width="155px"></asp:TextBox>
</td>
</tr>
<tr>
<td class="style2">
Password</td>
<td>
<asp:TextBox ID="TextBox3" runat="server" Height="16px" Width="155px"></asp:TextBox>
</td>
</tr>
<tr>
<td class="style2">
 </td>
<td>
<asp:Button ID="Button1" runat="server" onclick="Button1_Click" Text="Login" />
</td>
</tr>
</table>

</div>
</form>
</body>
</html>

..........................................end login source code.................

..................code behind.........................

using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.Data;

using System.Configuration;

using System.Text;

using System.Data.SqlClient;

using System.IO;

public partial class login : System.Web.UI.Page

{

SqlConnection con = new SqlConnection(ConfigurationManager.ConnectionStrings["constr"].ToString());

SqlCommand cmd;

SqlDataReader dr;

DataSet ds = new DataSet();

SqlDataAdapter da;

protected void Page_Load(object sender, EventArgs e)

{

if (!IsPostBack)

{

}

protected void Button1_Click(object sender, EventArgs e)

{

try

{

if (DropDownList1.SelectedValue == "User")

{

con.Open();

Session["user"] = "1";

cmd = new SqlCommand("select*from textinsert where name='" + TextBox2.Text + "' and pwd='" + TextBox3.Text + "'", con);

SqlDataReader dr = cmd.ExecuteReader();

if (dr.Read())

{

Session["name"]=TextBox2.Text;

Session["pwd"]=TextBox3.Text;

Response.Redirect("registration.aspx?name="+Session["name"]+" and pwd="+ Session["pwd"]+"");

}

if (DropDownList1.SelectedValue == "Admin")

{

Session["user"] = "2";

con.Open();

cmd = new SqlCommand("select*from textinsert where name='" + TextBox2.Text + "' and pwd='" + TextBox3.Text + "'", con);

SqlDataReader dr = cmd.ExecuteReader();

if (dr.Read())

{

Response.Redirect("registration.aspx");

}

catch(Exception ex)

{

}

....................................registration source code......................

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

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

.style1

{

width: 100%;

background-color: #FF9999;

}

.style2

{

width: 109px;

}

</style>

</head>

<body>

<div>

<tr>

Name</td>

<td>

<asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>

</td>

</tr>

<tr>

Password</td>

<td>

<asp:TextBox ID="TextBox2" runat="server"></asp:TextBox>

</td>

</tr>

<tr>

Address</td>

<td>

<asp:TextBox ID="TextBox3" runat="server"></asp:TextBox>

</td>

</tr>

<tr>

 </td>

<td>

<asp:Button ID="Button1" runat="server" onclick="Button1_Click" Text="Submit" />

</td>

</tr>

</table>

</div>

<p>

 </p>

<p>

 </p>

<p>

 </p>

<p>

 </p>

<p>

 </p>

<p>

<asp:GridView ID="GridView1" runat="server">

</asp:GridView>

</p>

</form>

</body>

</html>

..........................code behind..........

using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.Data;

using System.Configuration;

using System.Text;

using System.Data.SqlClient;

using System.IO;

using System.Net.Mail;

public partial class registration : System.Web.UI.Page

{

SqlConnection con = new SqlConnection(ConfigurationManager.ConnectionStrings["constr"].ToString());

SqlCommand cmd;

SqlDataReader dr;

SqlDataAdapter da;

DataSet ds = new DataSet();

protected void Page_Load(object sender, EventArgs e)

{

if (!IsPostBack)

{

string str=Session["user"].ToString();

if (str=="1")

{

user();

}

if(str=="2")

{

adminbind();

}

protected void Button1_Click(object sender, EventArgs e)

{

cmd = new SqlCommand("insert into textinsert values('" + TextBox1.Text + "','" + TextBox2.Text + "','" + TextBox3.Text + "')", con);

con.Open();

cmd.ExecuteNonQuery();

con.Close();

//Response.Write("successfully submitted!");

cmd = new SqlCommand("select count(id) as id from textinsert", con);

DataTable dt = new DataTable();

SqlDataAdapter da = new SqlDataAdapter(cmd);

da.Fill(dt);

if(dt.Rows.Count>0)

{

Int64 count=(Convert.ToInt64(dt.Rows[0]["id"].ToString()));

string message;

if (count > 4)

{

if (count == 4)

{

message="you got first step";

send_email(message);

}

if (count == 16)

{

message="you got second step";

send_email(message);

}

if (count == 50)

{

message = "you third first step";

send_email(message);

}

public void send_email(string msg)

{

MailMessage ms = new MailMessage("kulngr21@gmail.com", "kulngr@hotmail.com");

SmtpClient ab = new SmtpClient();

ms.Body = msg;

ms.IsBodyHtml = true;

ab.EnableSsl = true;

ab.Send(ms);

Response.Write("mmail sent...");

}

protected void adminbind()

{

con.Open();

// string name=Request.QueryString["name"].ToString();

// string pwd=Request.QueryString["pwd"].ToString();

string str = "select * from textInsert ";

da = new SqlDataAdapter(str, con);

da.Fill(ds);

GridView1.DataSource = ds;

GridView1.DataBind();

con.Close();

}

SqlDataAdapter da1;

protected void user()

{

try

{

con.Open();

string name = Session["name"].ToString();

string str = "select*from textinsert where name='" + name + "'";

da1 = new SqlDataAdapter(str,con);

DataTable dt = new DataTable();

da1.Fill(dt);

GridView1.DataSource = dt;

GridView1.DataBind();

con.Close();

}

catch(Exception ex)

{

}

.........................................end code behind.....................

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Friday, 21 December 2012