在 nopcommerce 4.3 中将 nvarchar 值 'abc' 转换为数据类型 int 时转换失败

Conversion failed when converting the nvarchar value 'abc' to data type int in nopcommerce 4.3

我想在管理产品列表中搜索 GTIN 选项。因此,为此我在 ProductLoadAllPaged 存储过程中提供了 GTIN 值。现在,当我当时从产品列表中搜索 GTIN 值时抛出数据表错误,并从控制台应用程序中获取消息

System.Data.SqlClient.SqlException (0x80131904): 将 nvarchar 值 'abc' 转换为数据类型 int 时转换失败。

这是存储过程添加的代码,

ALTER PROCEDURE [dbo].[ProductLoadAllPaged]
(
    @GTIN nvarchar(50) --AWAZ
)
AS
BEGIN
    .....
    
    --filter by vendor
    IF @VendorId > 0
    BEGIN
        SET @sql = @sql + '
        AND p.VendorId = ' + CAST(@VendorId AS nvarchar(max))
    END
    
    --AWAZ
    IF @GTIN is not null
    BEGIN
        SET @sql = @sql + '
        AND p.Gtin = ' +  @GTIN             
    END

    --filter by warehouse
    IF @WarehouseId > 0
    BEGIN
        --we should also ensure that 'ManageInventoryMethodId' is set to 'ManageStock' (1)
        --but we skip it in order to prevent hard-coded values (e.g. 1) and for better performance
        SET @sql = @sql + '
        AND  
            (
                (p.UseMultipleWarehouses = 0 AND
                    p.WarehouseId = ' + CAST(@WarehouseId AS nvarchar(max)) + ')
                OR
                (p.UseMultipleWarehouses > 0 AND
                    EXISTS (SELECT 1 FROM ProductWarehouseInventory [pwi]
                    WHERE [pwi].WarehouseId = ' + CAST(@WarehouseId AS nvarchar(max)) + ' AND [pwi].ProductId = p.Id))
            )'
    END
    
    .....
END

看来您需要更改这部分代码:

   --AWAZ
    IF @GTIN is not null
    BEGIN
        SET @sql = @sql + '
        AND p.Gtin like ''%' + @GTIN + '%'''            
    END