Visualizzazione dati SQL Server in datagrid

try
 Dim query As New String("SELECT * FROM dbo.tweet")
            Dim conn As New SqlClient.SqlConnection(str_conn)
            Dim cmd As New SqlCommand(query, conn)
            Dim ds As New DataSet
            Dim da As New SqlDataAdapter(query, conn)

            conn.Open()
            da.Fill(ds, "dbo.tweet")
            grid_result.AutoGenerateColumns = True
            grid_result.DataSource = ds.Tables("dbo.tweet").DefaultView
            conn.Close()
        Catch
            MsgBox("Connessione Fallita")
        Finally

        End Try

Private Sub loadTABLE()

        Dim query As New String("SELECT * FROM dbo.tweet")
        Dim ds As New DataSet
        Dim da As New SqlDataAdapter(query, conn)

        da.Fill(ds.Tables[0])

        grid_result.AutoGenerateColumns = True
        grid_result.DataSource = ds.Tables("dbo.tweet").DefaultView

    End Sub

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using (SqlConnection conn = new SqlConnection(str_conn))
                {
                    conn.Open();
                    string query = "SELECT * FROM dbo.t_tweet";
                    DataSet ds = new DataSet();
                    SqlDataAdapter da = new SqlDataAdapter(query,conn);

                    da.Fill(ds,"dbo.t_tweet");
                    grid_result.AutoGenerateColumns = true;
                    grid_result.DataSource = ds;
                    grid_result.DataMember = "dbo.t_tweet";
                    //SqlCommand query = new SqlCommand("SELECT * FROM dbo.tweet",conn);
                    //SqlDataReader reader = new SqlDataReader();
                    
                }