Help. I have this checker if the username match that is typed in textboxun in database should respond,write that it exist in my code page_load. But it dosen't it add the username into the database even with at the end some free spaces i noticed. I i am using
a regularexpression that don't allow empty spaced and that expression works. Please tell me the problem in the code. Here is the code:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data.SqlClient;
using System.Configuration;
public partial class NewUsers : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (IsPostBack)
{
SqlConnection conn = new SqlConnection(ConfigurationManager.ConnectionStrings["RegistrationConnectionString"].ConnectionString);
conn.Open();
string ...
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