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my problem is LastLogin and RegisterDate is not store in table User
my database table is [User]
ID               int
Email            primarykey varchar(250)     
Password         varchar(250)
Name             varchar(250)                  
Country          varchar(250)
RegisterDate     datetime                   allownulls 
LastLogin        datetime                   allownulls
Description      varchar(50)
ImageName        varchar(1000)

DataBaseClass dbClass = new DataBaseClass();
    public DataTable dt;
    protected void Page_Load(object sender, EventArgs e)
    protected void OnAuthenticate(object sender, AuthenticateEventArgs e)
        bool Authenticated = false;
        CheckBox chBox = (CheckBox)ctlLogin.FindControl("RememberMe");
        Authenticated = UserAuthenticate(ctlLogin.UserName, ctlLogin.Password);
        e.Authenticated = Authenticated;
        if (Authenticated == true)
            if (chBox.Checked == true)
                Response.Cookies["RFriend_Email"].Value = ctlLogin.UserName;
                Response.Cookies["RFriend_PWD"].Value = ctlLogin.Password;
                Response.Cookies["RFriend_UID"].Value = Session["UserId"].ToString();
                Response.Cookies["RFriend_Email"].Expires = DateTime.Now.AddMonths(6);
                Response.Cookies["RFriend_PWD"].Expires = DateTime.Now.AddMonths(6);
                Response.Cookies["RFriend_UID"].Expires = DateTime.Now.AddMonths(6);
            Response.Redirect("UserDetails.aspx?Id=" + Session["UserId"].ToString());
    private bool UserAuthenticate(string UserName, string Password)
        bool boolReturnValue = false;
        //Check UserID From Config File
        if (UserName == "Rahul" && Password == "Saxena")
            boolReturnValue = true;
            return boolReturnValue;
            SqlConnection conn = new SqlConnection(@"Data Source=.\SQLEXPRESS;AttachDbFilename=C:\Users\omar\Documents\Visual Studio 2005\WebSites\WebSite8\App_Data\Database.mdf;Integrated Security=True;User Instance=True");
            dt = new DataTable();
            string chkUser = "Select * FROM [User] where Email='" + UserName + "' AND Password='" + Password + "'";
            dt = dbClass.ConnectDataBaseReturnDT(chkUser);
            if (dt.Rows.Count > 0)
                boolReturnValue = true;
                Session["UserId"] = dt.Rows[0]["Id"].ToString();
                SqlCommand cmd = new SqlCommand("UPDATE [User] SET LastLogon = GETDATE() where id= @UserId", conn);
                SqlParameter param = new SqlParameter();
                param.ParameterName = "@UserId";
                param.Value = Session["UserId"];
                dbClass.ConnectDataBaseToInser(cmd);//there is problem
            return boolReturnValue;
Updated 26-Mar-11 22:45pm
Sandeep Mewara 27-Mar-11 5:42am
Sure you are beginner and learning. But, are you learning really?
Sergey Alexandrovich Kryukov 27-Mar-11 15:54pm
Can I up-vote this note? :-)

1 solution

You should debug and check the command and the parameter values. Also you should provide the type of the parameter (see SqlDbType property).

If the problem happens inside a custom method (ConnectDataBaseToInser) first ensure that you're passing correct information to it and if that's ok then debug inside that method.

A sidenote: also use parameters in your select statement to prevent sql injections etc.

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