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Change_Password.aspx.cs
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Change_Password.aspx.cs
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using System;
using System.Data;
using System.Configuration;
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.Security.Cryptography;
using System.IO;
using System.Text;
using System.Net.Mail;
public partial class Default2 : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (Request.UrlReferrer == null)
{
Response.Redirect("LoginCheck.aspx");
}
else
{
if (Session.Count == 0)
{
Response.Redirect("LoginCheck.aspx");
}
else
{
((Label)Master.FindControl("lblName")).Text = Session["Name"].ToString();
}
}
}
protected void btnSavePassword_Click(object sender, EventArgs e)
{
if (CheckOldPassword() == false)
{
lblMsg.Text = "Old Password does not match";
}
else
{
UpdateNewPassword();
UpdateLastLogin();
lblMsg.Text = "Password Changed Successfully";
}
}
public bool CheckOldPassword()
{
string EncrptedPwd = EncodePasswordToBase64(txtOldPassword.Text);
SqlConnection Conn = new SqlConnection(ConfigurationManager.ConnectionStrings["ConnString2DB"].ConnectionString);
Conn.Open();
SqlCommand Cmd = new SqlCommand("sp_Login", Conn);
Cmd.CommandType = CommandType.StoredProcedure;
Cmd.Parameters.Add("@LoginId", SqlDbType.NVarChar, (50)).Value = Session["LoginId"].ToString();
Cmd.Parameters.Add("@Password", SqlDbType.NVarChar, (50)).Value = EncrptedPwd;
Cmd.ExecuteNonQuery();
DataTable dtLogin = new DataTable();
SqlDataAdapter daLogin = new SqlDataAdapter(Cmd);
daLogin.Fill(dtLogin);
Conn.Close();
Conn.Dispose();
if (dtLogin.Rows.Count > 0)
{
return true;
}
else
{
return false;
}
}
public void UpdateNewPassword()
{
string EncrptedPwd = EncodePasswordToBase64(txtNewPassword.Text);
SqlConnection Conn = new SqlConnection(ConfigurationManager.ConnectionStrings["ConnString2DB"].ConnectionString);
Conn.Open();
SqlCommand CmdUpdateTime = new SqlCommand("sp_UpdateNewPassword", Conn);
CmdUpdateTime.CommandType = CommandType.StoredProcedure;
CmdUpdateTime.Parameters.Add("@nLoginId", SqlDbType.NVarChar, (50)).Value = Session["LoginId"].ToString();
CmdUpdateTime.Parameters.Add("@nNewPassword", SqlDbType.NVarChar, (50)).Value = EncrptedPwd;
CmdUpdateTime.ExecuteNonQuery();
Conn.Close();
Conn.Dispose();
}
public void UpdateLastLogin()
{
SqlConnection Conn = new SqlConnection(ConfigurationManager.ConnectionStrings["ConnString2DB"].ConnectionString);
Conn.Open();
SqlCommand CmdUpdateTime = new SqlCommand("sp_UpdateLastLogin", Conn);
CmdUpdateTime.CommandType = CommandType.StoredProcedure;
CmdUpdateTime.Parameters.Add("@nLoginId", SqlDbType.NVarChar, (50)).Value = Session["LoginId"].ToString();
CmdUpdateTime.Parameters.Add("@nLastLogin", SqlDbType.NVarChar, (50)).Value = DateTime.Now.ToString("MM-dd-yyyy HH:mm");
CmdUpdateTime.ExecuteNonQuery();
Conn.Close();
Conn.Dispose();
}
public static string EncodePasswordToBase64(string password)
{
byte[] bytes = Encoding.Unicode.GetBytes(password);
byte[] inArray = HashAlgorithm.Create("SHA1").ComputeHash(bytes);
return Convert.ToBase64String(inArray);
}
}