/// <summary>
 /// Deprecated Method for adding a new object to the BillingCategories EntitySet. Consider using the .Add method of the associated ObjectSet&lt;T&gt; property instead.
 /// </summary>
 public void AddToBillingCategories(BillingCategory billingCategory)
 {
     base.AddObject("BillingCategories", billingCategory);
 }
 /// <summary>
 /// Create a new BillingCategory object.
 /// </summary>
 /// <param name="billingCategoryID">Initial value of the BillingCategoryID property.</param>
 /// <param name="billingCategoryDescription">Initial value of the BillingCategoryDescription property.</param>
 /// <param name="billingCategoryTaxable">Initial value of the BillingCategoryTaxable property.</param>
 public static BillingCategory CreateBillingCategory(global::System.Int16 billingCategoryID, global::System.String billingCategoryDescription, global::System.Boolean billingCategoryTaxable)
 {
     BillingCategory billingCategory = new BillingCategory();
     billingCategory.BillingCategoryID = billingCategoryID;
     billingCategory.BillingCategoryDescription = billingCategoryDescription;
     billingCategory.BillingCategoryTaxable = billingCategoryTaxable;
     return billingCategory;
 }