c#.net source code for log in page with sql backend

 SqlConnection con = new SqlConnection(@"Data Source=.\Aroona;Initial Catalog=ACSDatabase;Integrated Security=True;Pooling=False");
SqlDataAdapter loginadp = new SqlDataAdapter("SELECT count(*) FROM Login WHERE username = '" + uName.Text + "' AND password = '" + pWord.Text + "' ", con);
            
DataTable dt = new DataTable();
loginadp.Fill(dt);
            
           
if (dt.Rows[0][0].ToString() == "1")
      {
         if (uName.Text == "Admin")
             {
                 MPageAdmin mpa = new MPageAdmin();
                 mpa.Show();
                 this.Hide();
             }
          else
             {
                  Main_Page mp = new Main_Page(this.UserName);
                  mp.Show();
                  this.Hide();
              }
       }
else
       {
           label4.Visible = true;
           label4.Text = "Username or Password Incorrect!";
        }