Question { 5521 }

What?s the difference between the Debug class and Trace
class?

Answer

What’s the difference between the Debug class and Trace
class? Documentation looks the same. Use Debug class for
debug builds, use Trace class for both debug and release
builds.

Question { 3945 }

give suitable code for all login controls

Answer

protected void Login1_Authenticate(object sender,
AuthenticateEventArgs e)
{ string u_id=Login1.UserName;
string pwd=Login1.Password;

SqlConnection con = new
SqlConnection("uid=sa;pwd=nivt;server=.;database=jobportal");
try
{
con.Open();
SqlDataAdapter da = new SqlDataAdapter("select *
from rec_registration where rec_username='" + u_id + "'", con);
DataSet ds = new DataSet();
da.Fill(ds);
if (Login1.UserName ==
ds.Tables[0].Rows[0][0].ToString() && Login1.Password ==
ds.Tables[0].Rows[0][1].ToString())
{
Session["rec_uid"] = u_id;
Session["rec_uname"] =
ds.Tables[0].Rows[0][3].ToString();
Session["rec_type"] =
ds.Tables[0].Rows[0][5].ToString();

Response.Redirect("rec_home.aspx");

}
else
{
Label2.Text = "Invalid Username/Password:";

}
}
catch(Exception ex)
{
Label3.Text = ex.Message.ToString();
Label2.Text = "Invalid Username";

}
finally
{
if (con.State == ConnectionState.Open)
{
con.Close();
}
}

}