c# SQL bağlantısı

C# SQL bağlantısı

using System.Data;

using System.Data.SqlClient;

SqlConnection baglanti = new SqlConnection("Data Source=.; initial Catalog=DENEME2; Integrated Security=true");

            baglanti.Open();

            SqlDataAdapter da = new SqlDataAdapter("Select *From kul", baglanti);

            DataTable tablo = new DataTable();

            da.Fill(tablo);

            dataGridView1.DataSource = tablo;

            baglanti.Close();