/// <summary>
/// Populates the type of the item.
/// </summary>
private void PopulateItemType()
{
try
{
List <ItemType> itemTypes = BillingManager.GetBillingType();
ddlItemType.DataTextField = "Name";
ddlItemType.DataValueField = "Id";
ddlItemType.DataSource = itemTypes;
ddlItemType.DataBind();
ddlItemType.Items.Insert(0, new ListItem("Select...", "-1"));
}
catch (Exception ex)
{
this.showErrorMessage(ref ex);
}
}