// Check keywords of the current file and display them in data grid view
public void RefreshDgk_file()
{
FilePersonKeywordClient client = new FilePersonKeywordClient();
if (listBox_Files.SelectedIndex >= 0)
{
if (client.GetFileByPath(listBox_Files.SelectedItem.ToString()) != null)
{
dgk_file.ClearSelection();
dgk_file.DataSource = client.GetKeywordsOfFile(listBox_Files.SelectedItem.ToString());
client.Close();
}
}
}