How to fix this error conversion failed when converting the nvarchar value 'xxxxxx' to data type int.

Question

1.00/5 (1 vote)

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SQL

alter proc SearchDrug
@Criterion nvarchar(50)
as
Select ID_Product as 'Drug ID'
	   ,Label_Product as 'Drug Name'
	   ,Expair_Date as ' Expair Date '
	   ,Qte_In_Stock  as 'Quantity'
	   , Price  as 'price'
	   ,DESCRIPTION_CAT as 'Company '
	    from Products
		inner join CATEGORIES
		on CATEGORIES.ID_CAT =PRODUCTS.ID_CAT
		where ID_Product+LABEL_PRODUCT+CONVERT(varchar,Expair_Date)+Qte_In_Stock
		+CONVERT(varchar,Price)+CONVERT(nvarchar,DESCRIPTION_CAT)
		 like '%' + @Criterion + '%'

What I have tried:

Conversion failed when converting the nvarchar value 'xxxxxx' to data type int.

Posted 23-Feb-16 23:17pm

NebroProg

Updated 23-Feb-16 23:32pm

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Manas_Kumar · Answer 1 · 2016-02-23T23:31:00

Use CONVERT() function for ID_Product column like :

SQL

Select ID_Product as 'Drug ID'
	   ,Label_Product as 'Drug Name'
	   ,Expair_Date as ' Expair Date '
	   ,Qte_In_Stock  as 'Quantity'
	   , Price  as 'price'
	   ,DESCRIPTION_CAT as 'Company '
	    from Products
		inner join CATEGORIES
		on CATEGORIES.ID_CAT =PRODUCTS.ID_CAT
		where CONVERT(varchar,ID_Product)+LABEL_PRODUCT+CONVERT(varchar,Expair_Date)+Qte_In_Stock
		+CONVERT(varchar,Price)+CONVERT(nvarchar,DESCRIPTION_CAT)
		 like '%' + @Criterion + '%'

Rob Branaghan · Answer 2 · 2016-02-23T23:32:00

Solution 2

I think your where statement needs to be

SQL

WHERE (ID_Product LIKE '%' + @Criterion + '%' ) 
OR (Label_Product LIKE '%' + @Criterion + '%' )
-- And so on.

Posted 23-Feb-16 23:32pm

Rob Branaghan