protected void UpdateButton_Click(object sender, EventArgs e) { Label FirstName = (Label)UserDetails.FindControl("firstname"); Label LastName = (Label)UserDetails.FindControl("lastname"); TextBox Email = (TextBox)UserDetails.FindControl("emailTextBox"); TextBox Mobile = (TextBox)UserDetails.FindControl("mobileTextBox"); TextBox City = (TextBox)UserDetails.FindControl("cityTextBox"); if (Email == null) { Email.Text = ""; } if (Mobile == null) { Mobile.Text = ""; } if (City == null) { City.Text = ""; } bool succ = EditAccount.UpdateInfo(Session["USER"].ToString(), Email.Text, Mobile.Text, City.Text); if (succ == true) { lblSuccess.Text = "Your Account Details have been Updated !"; } }