private void cboDb_SelectedIndexChanged(object sender, EventArgs e)
{
if (cboDb.SelectedIndex > 0)
{
var id = (int)cboDb.SelectedValue;
var conn = _proj.ProjectDatabases.Where(d => d.ProjectDatabaeId == id).First();
DBWorker worker = new DBWorker();
var entityList = worker.GetEntitiesFromDatabase(conn);
// exclude entities already in the system
List <string> nameList = _proj.Entities.Select(a => a.EntityName).ToList();
var list = entityList.Where(a => !nameList.Contains(a.EntityName)).ToList();
entityBindingSource.DataSource = list;
// select all entities
SelectRows(true);
}
}