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); } }