Вызов хранимой процедуры, используя Button

ALTER PROCEDURE [dbo].[SUM]
    @PriceID INT
AS
BEGIN
    DECLARE 
    @NOD INT,
    @DC INT,
    @Precent INT,
    @Amount INT;
 
    SELECT RentalCars.RentID,
        NumberOfDays, 
        Auto.AutoID, 
        DailyCost, 
        DiscountSystem.DiscountID, 
        Precent, 
        Price.PriceID, 
        Price
    FROM RentalCars
    INNER JOIN Auto ON RentalCars.AutoID=Auto.AutoID
    INNER JOIN DiscountSystem ON RentalCars.DiscountID=DiscountSystem.DiscountID
    INNER JOIN Price ON RentalCars.PriceID=Price.PriceID
    WHERE Price.PriceID = @PriceID
 
    SELECT @NOD=NumberOfDays FROM RentalCars 
    WHERE PriceID = @PriceID
 
    SELECT @DC=DailyCost FROM RentalCars 
    FULL JOIN Auto ON RentalCars.AutoID=Auto.AutoID
    WHERE PriceID = @PriceID
 
    SELECT  @Precent=Precent FROM RentalCars 
    FULL JOIN DiscountSystem ON RentalCars.DiscountID=DiscountSystem.DiscountID
    WHERE PriceID = @PriceID
 
    SELECT @Amount = SUM(Amount)
    FROM RentalFines
    INNER JOIN FineSystem ON RentalFines.FineID=FineSystem.FineID
    WHERE RentID = @PriceID
 
    UPDATE price SET price = (@NOD*@DC)-(((@NOD*@DC)/100)*@Precent)+(@Amount)
    WHERE PriceID = @PriceID
END