Controller:

        public async Task<IActionResult> AddSheduleWithEmp(int DepartmentId, DateTime Start, DateTime End)
        {
            //set test data.
            DepartmentId = 1;
            Start = DateTime.Now;
            End = DateTime.Now.AddDays(3);

            //List<string> dates = Enumerable.Range(0, 1 + End.Subtract(Start).Days)
            //      .Select(i => Start.AddDays(i).ToString("dd-MM-yyyy"))
            //      .ToList();
             
            //use this list to populate the date, and use it to transfer the data from view to the controller.
            List<EmpShiftSelected> items = Enumerable.Range(0, 1 + End.Subtract(Start).Days)
                  .Select(i => new EmpShiftSelected() { Date = Start.AddDays(i).ToString("dd-MM-yyyy") })
                  .ToList();
             
            if (DepartmentId != 0)
            {
                //query database to populate the Dropdownlist.
                var Shifts = _dataRepository.Shifts().ToList();
                var model = _dataRepository.Employees().Where(x => x.DepartmentId == DepartmentId).ToList();
                //create a view model to populate the form.
                EmpShifts EmpShiftsView = new EmpShifts
                {
                    DepartmentID = DepartmentId,
                    Employees = model,
                    Shifts = Shifts,
                    //Dates = dates
                    EmpShiftSelected = items,
                };
                return View(EmpShiftsView);

            }
            return View();
        }

        [HttpPost]
        public async Task<IActionResult> AddSheduleWithEmp(EmpShifts model)
        {
            if (ModelState.IsValid)
            {
                var data = model;
            }
             
            return View();
        }

View :

@model WebApplication1.Models.EmpShifts

@{
    ViewData["Title"] = "AddSheduleWithEmp";
} 
<h1>AddSheduleWithEmp</h1> 
<div class="row">
    <div class="col-md-8">
        <form asp-action="AddSheduleWithEmp" class="form" method="post">
            @if (Model.EmpShiftSelected != null)
            {
                <table class="table table-striped">
                    <thead>
                        <tr> 
                            <th>Date</th>
                            <th>Emplyoee</th>
                            <th>Shift</th>
                            <th>Priorety</th> 
                        </tr>
                    </thead>
                    <tbody>
                        @for (int i = 0; i < Model.EmpShiftSelected.Count; i++)
                        { 
                            <tr>
                                <td>
                                    @Model.EmpShiftSelected[i].Date
                                    <input type="hidden" name="Model.EmpShiftSelected[@i].Date" value="@Model.EmpShiftSelected[i].Date" />
                                </td>
                                <td>
                                    <select class="form-select" name="Model.EmpShiftSelected[@i].EmployeeID" asp-items="@(new SelectList(Model.Employees,"ID","Name"))">
                                        <option>Please Select Employee</option>
                                    </select>
                                </td>
                                <td>
                                    <select class="form-select" name="Model.EmpShiftSelected[@i].ShiftsID" asp-items="@(new SelectList(Model.Shifts,"Id","Name"))">
                                    </select>
                                </td>
                                <td>
                                    <select>
                                        <option value="1st Oncall">1st Oncall</option>
                                        <option value="2nd Oncall">2nd Oncall</option>
                                        <option value="3rd Oncall">3rd Oncall</option>
                                    </select>
                                </td> 
                            </tr>
                        }
                    </tbody>
                </table>
                <div class="col-12">
                    <button type="submit" class="btn btn-primary mx-auto">Submit</button> 
                </div>
            }
        </form>
    </div>
</div>

<div>
    <a asp-action="Index">Back to List</a>
</div>

@section Scripts {
    @{await Html.RenderPartialAsync("_ValidationScriptsPartial");}
}