Draw (Plot) Bar Chart using jQuery ChartJS Plugin in ASP.Net MVC

Im having problem in plotting the graph using data from database.

The graph was displayed but it does no plot correctly. x-axis should be the platform_family and y-axis should be percentage_platform.

Did i do the code correctly? 

[Authorize]
public ActionResult Index(EQMlist list)
{
    TempData.Keep();

    /*Current date and current time*/
    DateTime CurrentDay = DateTime.Today;

    /*Initializiation of current date and current hour*/
    //var dt1 =  CurrentDay;          

    // add days to current **DateTime**
    var addedDateTime = DateTime.Now.AddDays(7);
    DateTime dateTime = DateTime.Today;

    //Today's Sampling

    var dt1 = Convert.ToDateTime("2019-11-27");
    float todaySampling = (from b in db.Lists
                            join a in db.EQMlists on b.ST equals a.ST
                            where a.inspection_status == "PASS" && a.insert_date == dt1 && a.insert_date.Value.Year == dt1.Year && a.insert_date.Value.Month == dt1.Month && a.insert_date.Value.Day == dt1.Day && b.EQM_FLAG == "1"
                            select new EQMsample { ST = a.ST }).Count();
    ViewBag.today_sampling = todaySampling;

    //Total Sampling
    float total_sampling = db.Lists.Where(a => a.EQM_DATE.Value.Year == dt1.Year && a.EQM_DATE.Value.Month == dt1.Month && a.EQM_DATE.Value.Day == dt1.Day && a.EQM_FLAG == "1").Count();

    ViewBag.totalDailyEQM = total_sampling;

    //Percentages of the daily sampling 
    ViewBag.percentageTodaySampling = ((todaySampling * 100) / total_sampling).ToString("0.00");

    //by platform
    var platformName = (from a in db.EQMlists
                        where a.inspection_status == "PASS" && a.insert_date.Value.Year == dt1.Year && a.insert_date.Value.Month == dt1.Month && a.insert_date.Value.Day == dt1.Day
                        select new EQMsample { platform_family = a.platform_family }).Distinct().ToList();

    ViewBag.byplatform = platformName;

    //today list
    List<EQMsample> plName = db.EQMlists.Where(x => x.insert_date.Value.Year == dt1.Year && x.insert_date.Value.Month == dt1.Month && x.insert_date.Value.Day == dt1.Day && x.inspection_status == "PASS").Select(
                x => new EQMsample { platform_family = x.platform_family }).Distinct().ToList();
    ViewBag.platformSampling = plName;

    //count today platform
    float todayPlatform = (from b in db.Lists
                            join a in db.EQMlists on b.ST equals a.ST
                            where a.inspection_status == "PASS" && a.insert_date.Value.Year == dt1.Year
                            && a.insert_date.Value.Month == dt1.Month && a.insert_date.Value.Day == dt1.Day && b.EQM_FLAG == "1"
                            select new EQMsample { platform_family = a.platform_family }).Count();


    ViewBag.today_platform = todayPlatform;

    //total by platform
    var totalPlatform = (from b in db.Lists
                            join a in db.EQMlists on b.ST equals a.ST
                            where a.inspection_status == "PASS" && a.insert_date.Value.Year == dt1.Year && a.insert_date.Value.Month == dt1.Month
                            && a.insert_date.Value.Day == dt1.Day
                            select new EQMsample { ST = a.ST }).ToList();

    ViewBag.byplatform = totalPlatform;

    //percentage by platform
    ViewBag.percentagePlatform = ((todayPlatform * 100) / total_sampling).ToString("0.00");

    return View();
}

<script>
    var ctx1 = document.getElementById("lineChart").getContext('2d');
    var lineChart = new Chart(ctx1, {
        type: 'bar',
        data: {
            labels:  [
                        @foreach(var item in ViewBag.platformSampling)
                        {
                            @: '@(item.platform_family)',
                        }],
            datasets: [{
                label: '% Daily Sampling by Platform',
                backgroundColor: '#3EB9DC',
                data: [
 
 
                    @ViewBag.percentagePlatform]
            }]
 
        },
        options: {
            tooltips: {
                mode: 'index',
                intersect: false
            },
            responsive: true,
            scales: {
                xAxes: [{
                    stacked: true,
                }],
                yAxes: [{
                    stacked: true
                }]
            }
        }
    });
 
    var ctx2 = document.getElementById("lineChart1").getContext('2d');
    var lineChart = new Chart(ctx2, {
        type: 'bar',
        data: {
            labels: ["Basic,Cosmetic", "Extended"],
            datasets: [{
                label: ' % Overall EQM Sampling',
                backgroundColor: '#3EB9DC',
                data: [@ViewBag.percentageTodaySampling]
            }
            ]
 
        },
        options: {
            tooltips: {
                mode: 'index',
                intersect: false
            },
            responsive: true,
            scales: {
                xAxes: [{
                    stacked: true,
                }],
                yAxes: [{
                    stacked: true
                }]
            }
        }
    });
</script>

this is my model

public int id { get; set; }
public Nullable<System.DateTime> insert_date { get; set; }
public string ST { get; set; }
public Nullable<int> operator_ID { get; set; }
public Nullable<int> station_ID { get; set; }
public string platform_family { get; set; }
public string inspection_type { get; set; }
public string inspection_status { get; set; }
public string description { get; set; }