Click here to Skip to main content
13,198,024 members (46,889 online)

change user password

lovitaxxxx asked:

Open original thread
i am developing a web app in visual studio using C# and sql server.
I want to create a page that the user should change his password.
i have tried this but no successs
pls help me find the error

namespace Csharp
{
    public partial class change : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            if (Session["new"] != null)
            {
                txt_username.Disabled = true;
                txt_username.Value = Session["username"].ToString();
            }
        }
 
       
        protected void btn_submit_Click(object sender, EventArgs e)
        {
 
            if (txt_newpass.Value.Length < 6)
            {
                Response.Write("<script language="Javascript">.....!</script>");
            }
 
            if (txt_newpass.Value != txt_newpass2.Value)
            {
                Response.Write("<script language="Javascript">......!</script>");
            }
 
           
            
            
            
            string pass;
 
            DataTable dt = new DataTable();
            SqlConnection conn = new SqlConnection(ConfigurationManager.ConnectionStrings["ConnectionStringusersregj"].ConnectionString);
            conn.Open();
 
           
            string querysel = "Select * from Users where UserName='" + Session["username"].ToString() + "' ";
            SqlCommand kom = new SqlCommand(querysel, conn); 
 
            SqlDataAdapter sqlDa = new SqlDataAdapter(kom);
 
            sqlDa.Fill(dt);
 
            if(dt.Rows.Count>0)
            {
                pass = dt.Rows[0]["Password"].ToString();
                if (pass == txt_password.Value)
                {
 
                    string cod = "UPDATE Users set Password='"+ txt_newpass.Value +"' where UserName='" + Session["new"].ToString() + "'";
                    SqlCommand cmd = new SqlCommand(cod, conn);
                    cmd.ExecuteNonQuery();
                }
                else
                {
                    Response.Write("<script language="Javascript">Old pass is incorredt</script>");
                }
            }
            conn.Close();
        }
    }
}
Tags: C# (C#4.0), ASP.NET

Preview



When answering a question please:
  1. Read the question carefully.
  2. Understand that English isn't everyone's first language so be lenient of bad spelling and grammar.
  3. 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.
Let's work to help developers, not make them feel stupid.
Please note that all posts will be submitted under the The Code Project Open License (CPOL).



Advertise | Privacy |
Web03 | 2.8.171020.1 | Last Updated 26 Mar 2009
Copyright © CodeProject, 1999-2017
All Rights Reserved. Terms of Service
Layout: fixed | fluid

CodeProject, 503-250 Ferrand Drive Toronto Ontario, M3C 3G8 Canada +1 416-849-8900 x 100