SqlConnection conn = new SqlConnection(@"Data Source=.;Initial Catalog=yasin;Integrated Security=True");
            SqlCommand komut = new SqlCommand();
            try
            {
                conn.Open();
            }
            catch (Exception)
            {
                MessageBox.Show("Veritabanı Bağlantısı Açma başarısız!");
            }

            SqlDataAdapter dadapter = new SqlDataAdapter("SELECT * from ıdare", conn);
            DataTable dtable = new DataTable();
            dadapter.Fill(dtable);
            dataGrid1.ItemsSource = dtable.DefaultView;
            conn.Close();