// BUTTON TO CHANGE THE LASTNAME OF THE USER !!!! protected void btnChangeLastname_Click(object sender, EventArgs e) { if (txtLastname.Text != "") { tbl_user person = new tbl_user(); BLLChange bllchange = new BLLChange(); person.user_tiwtter = (string)(System.Web.HttpContext.Current.Session["twitter"]); person.user_password = (string)(System.Web.HttpContext.Current.Session["password"]); person.user_lastname = txtLastname.Text; try { bllchange.newLast(person); lblFeedback2.Text = "Lastname changed!"; txtLastname.Text = ""; } catch (Exception) { lblFeedback2.Text = "Something went wrong, try again!"; } } else { lblFeedback2.Text = "Please fill in your new Lastname please!"; } }