void LoadGroup()
{
GROUP group = new GROUP();
cbGroup.DataSource = gr.GetListGroup();
cbGroup.DisplayMember = "name";
cbGroup.ValueMember = "groupid";
}
void loadNewGroup()
{
GROUP group = new GROUP();
cbRemoveGroup.DataSource = group.GetListGroup();
cbRemoveGroup.DisplayMember = "name";
cbRemoveGroup.ValueMember = "groupid";
}
void loadChucVu()
{
GROUP gr = new GROUP();
cbChucVu.DataSource = gr.GetListGroup();
cbChucVu.DisplayMember = "name";
cbChucVu.ValueMember = "name";
}
