private void btnClearQUery_Click(object sender, EventArgs e)
{
LstViewSample.Items.Clear();
LstViewQuery.Items.Clear();
GridViewDbData.ClearSelection();
btnSearchGene.Enabled = false;
btnClearSearchTxt.Enabled = false;
txtBoxDrugNameInput.Enabled = false;
}
// event function corresponds to "Read DB Data" button
private void btnReadDB_Click(object sender, EventArgs e)
{
GridViewDbData.ClearSelection();
LoadDbData();
}