private void btnMDBFile_Click(object sender, EventArgs e)
{
txtFileName.Text = OpenDialog();
if(txtFileName.Text.Length>0){
clTables.Items.Clear();
TableInfo ti = new TableInfo(txtFileName.Text);
foreach(DataRow row in ti.getTableAttributes().Rows)
clTables.Items.Add(row["TABLE_NAME"]);
for(int i=0; i< clTables.Items.Count; i++)
clTables.SetItemChecked(i,true);
}
}