how can i get the description of the user who is logged in at that moment using two different database table?

Question

User330911564 posted

tblUser                                                       tblDescription

ID | username | password                           descId | userID | description

-----------------------------                         1         | 2          | this is for the test description

1 | admin        | admin                                 2        | 1           | this is for the admin description

2 | test            | test

so i have created two different tables in my sql database (tblUsers and tblDescription) and of course every user has an id 

but what i want to do is when a user logs in ,

it will check the id of the user who is logged in and display the description in an asp.net label. 

i've been able to create the login with formauthentication in c# but i can't figure out how to get the description of the user?

i've done a couple research as i'm new to database and it works on my query in ms sql but i still couldn't get it right in my c#

can i get some help , thanks in advance.

c#, database, sql statement, asp.net

Answer 1

User-707554951 posted

Hi tandohtakyie

Use the following code:

 protected void Button1_Click(object sender, EventArgs e)
        {
            string username = txtUserName.Text;
            using (SqlConnection con = new SqlConnection())
            {
                con.ConnectionString = ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString;
                using (SqlCommand cmd = new SqlCommand())
                {
                    cmd.CommandText = "select * from tblUser where username='" + username + "'";
                    cmd.Connection = con;
                    con.Open();
                    using (SqlDataReader sdr = cmd.ExecuteReader())
                    {
                        if (sdr.HasRows)
                        {
                            while (sdr.Read())
                            {
                                // get password and user ID from databse based on username
                                string password = sdr["password "].ToString();
                                int id = Convert.ToInt16(sdr["ID"].ToString());
                                if (txtPassWord.Text == password)
                                {
                                    using (SqlConnection conn= new SqlConnection())
                                    {
                                        conn.ConnectionString = ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString;

                                        using (SqlCommand cmd2 = new SqlCommand())
                                        {
                                            cmd2.Connection = conn;
                                            conn.Open();
                                            cmd2.CommandText = "select * from tblDescription  where userID=" + id;
                                            using (SqlDataReader dr = cmd2.ExecuteReader())
                                            {
                                                if (dr.HasRows)
                                                {
                                                    while (dr.Read())
                                                    {
                                                        string description = dr["description"].ToString();
                                                        Response.Write(description);
                                                    }
                                                }
                                            }
                                          
                                        }
                                        conn.Close();
                                    }
                                       
                                   // FormsAuthentication.RedirectFromLoginPage(txtUserName.Text.ToString(), false);
                                }
                            }
                        }
                        else
                        {
                            //redirect to regiest page or  input user name
                        }
                    }
                    con.Close();
                }
            }
        }

Best regard

Cathy

Answer 2

User330911564 posted

thank Cathy Zou 

your code works perfect

i appriciate your effort