/// <summary>
/// In forms constructor the not necessarily labels and tetxboxes are hiding
/// from the form. Then the combobox for ratings(CmbSelect) is filling
/// from the rating(rating) table.
/// </summary>
public EditReservationForm()
{
InitializeComponent();
LblBusiness.Hide();
LblDate.Hide();
LblPerson.Hide();
LblUsername.Hide();
CmbBusiness.Hide();
CmbUsername.Hide();
BtnEdit.Hide();
TbxPerson.Hide();
DtpDate.Hide();
CmbSelect.DataSource = DCom.GetData("SELECT *, CONCAT(Username, ', ', Rating_Value) AS NAME FROM ratings");
CmbSelect.DisplayMember = "NAME";
CmbSelect.ValueMember = "ID";
}