protected void btnLogin_Click(object sender, EventArgs e) { UserDetail ud = new UserDetail(); try { string hashedPassword = FormsAuthentication.HashPasswordForStoringInConfigFile(txtPassword.Text, "SHA1"); DataTable dt = ud.CheckStudent(txtUsername.Text, hashedPassword, ddlFaculty.SelectedItem.Value, ddlSemester.SelectedItem.Value); if (dt.Rows.Count > 0) { Session["Student"] = txtUsername.Text; Session["Faculty"] = ddlFaculty.SelectedItem.Value; Session["Semester"] = ddlSemester.SelectedItem.Value; Response.Redirect("MyProfile.aspx"); } else { ltrMessage.Text = "Invallid User or Password!"; } } catch (Exception ex) { ltrMessage.Text = ex.Message; } }