public async Task<Product> GetProductAsync(string productId)
{
    using (_db)
    {
        return await _db.QueryFirstOrDefaultAsync<Product>("usp_GetProduct", new { id = productId },
            commandType: CommandType.StoredProcedure);
    }
}

public async Task SetProductInactiveAsync(int productId)
{
    using (IDbConnection con = new SqlConnection("myConnectionString"))
    {
        await con.ExecuteAsync("SetProductInactive", new { id = productId }, 
            commandType: CommandType.StoredProcedure);
    }
}