public static List<BloodSugarData> bsDatas = new List<BloodSugarData>
        {

            new BloodSugarData(0, "36703245432", date1, "morning", 4),
            new BloodSugarData(1, "36405555555", date2, "night", 12),

        };

        public static List<BloodSugarData> bsDatas = new List<BloodSugarData>
        {

            new BloodSugarData(0, "36703245432", date1, "morning", 4),
            new BloodSugarData(1, "36405555555", date2, "night", 12),

        };

        public IActionResult BSMeasurePageList()
        {
            return View(bsDatas);
        }

        public IActionResult BSMeasurePageList()
        {
            return View(bsDatas);
        }

@model List<BloodSugarData>


<table>
    <tr>
        <th> Id </th>
        <th> Phone </th>
        <th> Date </th>
        <th> Time of day </th>
        <th> Blood sugar (mg/dl)</th>
    </tr>

@{
    for (int i = 0; i < Model.Count; i++)
    {
        var item = Model[i];

        <tr>
            <td>@item.Id </td>
            <td>@item.userPhone </td>
            <td>@item.measureDate </td>
            <td>@item.timeOfDay </td>
            <td>@item.mgBloodSugar </td>

        </tr>
</table>
    }
} 

@model List<BloodSugarData>


<table>
    <tr>
        <th> Id </th>
        <th> Phone </th>
        <th> Date </th>
        <th> Time of day </th>
        <th> Blood sugar (mg/dl)</th>
    </tr>

@{
    for (int i = 0; i < Model.Count; i++)
    {
        var item = Model[i];

        <tr>
            <td>@item.Id </td>
            <td>@item.userPhone </td>
            <td>@item.measureDate </td>
            <td>@item.timeOfDay </td>
            <td>@item.mgBloodSugar </td>

        </tr>
</table>
    }
} 

public ActionResult BSDiagram()
        {
            return View();
        }

public ActionResult BSDiagram()
        {
            return View();
        }