IF EXISTS( SELECT * FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = 'ProductDetail' AND  COLUMN_NAME = 'Tarikh')
begin
	alter table dbo.ProductDetail ALTER COLUMN Tarikh	int null 
end;
IF EXISTS( SELECT * FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = 'ProductDetail' AND  COLUMN_NAME = 'CodeKarbar')
begin
	alter table dbo.ProductDetail ALTER COLUMN CodeKarbar	int null 
end;
IF EXISTS( SELECT * FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = 'ProductDetail' AND  COLUMN_NAME = 'TarikhSabt')
begin
	alter table dbo.ProductDetail ALTER COLUMN TarikhSabt	int null 
end;
IF EXISTS( SELECT * FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = 'ProductDetail' AND  COLUMN_NAME = 'SaatSabt')
begin
	alter table dbo.ProductDetail ALTER COLUMN SaatSabt	smallint null 
end;
IF EXISTS( SELECT * FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = 'ProductDetail' AND  COLUMN_NAME = 'Pro_ID')
begin
	alter table dbo.ProductDetail ALTER COLUMN Pro_ID	int null 
end;
IF EXISTS( SELECT * FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = 'ProductDetail' AND  COLUMN_NAME = 'Saat')
begin
	alter table dbo.ProductDetail ALTER COLUMN Saat	int null 
end;
IF EXISTS( SELECT * FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = 'ProductDetail' AND  COLUMN_NAME = 'FC_ID')
begin
	alter table dbo.ProductDetail ALTER COLUMN FC_ID	int null 
end;
IF EXISTS( SELECT * FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = 'ProductDetail' AND  COLUMN_NAME = 'Pro_ID_VahedMali')
begin
	alter table dbo.ProductDetail ALTER COLUMN Pro_ID_VahedMali	int null 
end;


IF EXISTS( SELECT * FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = 'Product' AND  COLUMN_NAME = 'CodeKarbar')
begin
	alter table dbo.Product ALTER COLUMN CodeKarbar	int null 
end;
IF EXISTS( SELECT * FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = 'Product' AND  COLUMN_NAME = 'TarikhSabt')
begin
	alter table dbo.Product ALTER COLUMN TarikhSabt	int null 
end;
IF EXISTS( SELECT * FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = 'Product' AND  COLUMN_NAME = 'SaatSabt')
begin
	alter table dbo.Product ALTER COLUMN SaatSabt	smallint null 
end;