public DataAccessLayer()
        {
            adpCategories = new NorthwindDataSetTableAdapters.CategoriesTableAdapter();
            tblCategories = new NorthwindDataSet.CategoriesDataTable();

            adpSuppliers = new NorthwindDataSetTableAdapters.SuppliersTableAdapter();
            tblSuppliers = new NorthwindDataSet.SuppliersDataTable();

            adpProducts = new NorthwindDataSetTableAdapters.ProductsTableAdapter();
            tblProducts = new NorthwindDataSet.ProductsDataTable();
        }
 public List <BusinessLogicLayer> GetAllSuppliers()
 {
     tblSuppliers = adpSuppliers.GetSuppliers();
     if (tblSuppliers.Count > 0)
     {
         listSuppliers = new List <BusinessLogicLayer>();
         foreach (var row in tblSuppliers)
         {
             BusinessLogicLayer supplier = new BusinessLogicLayer();
             supplier.Id   = row.SupplierID;
             supplier.Name = row.CompanyName;
             listSuppliers.Add(supplier);
         }
     }
     return(listSuppliers);
 }
 public virtual NorthwindDataSet.SuppliersDataTable GetData() {
     this.Adapter.SelectCommand = this.CommandCollection[0];
     NorthwindDataSet.SuppliersDataTable dataTable = new NorthwindDataSet.SuppliersDataTable();
     this.Adapter.Fill(dataTable);
     return dataTable;
 }