why doesn't datagridview refresh?

Question

here is what happens after i press a button:

    dataGridView1.DataSource = ConnectandReadList(some_query);
    dataGridView1.Refresh();

pl

Answer 1

Actually problem is here that your TableAdapter is not refreshing. I used this code after editing table (mydatabase.tbl) to refresh it:

            tblTableAdapter.Fill(mydatabaseDataSet.tbl);
            dataGridView1.DataSource = tblBindingSource;
            dataGridView1.Update();