Пример #1
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 public Product_SupplierDataAccess(POSDataContext context)
 {
     this.context = context;
 }
Пример #2
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 public ProductDataAccess(POSDataContext context)
 {
     this.context = context;
 }
Пример #3
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 public SaleDataAccess(POSDataContext context)
 {
     this.context = context;
 }