User-1355965324 posted
Please help. When I am trying to poppulate the data in the same view ina table it always show the error InvalidOperationException: The ViewData item that has the key 'WeatherLocation.LocationId' is of type 'System.Int32' but must be of type
'IEnumerable<SelectListItem>'..
In Post method it shows the error
InvalidOperationException: The ViewData item that has the key 'WeatherLocation.LocationId' is of type 'System.Int32' but must be of type 'IEnumerable<SelectListItem>'.
AspNetCore.Areas_Customer_Views_Forcast_Index.<ExecuteAsync>b__27_0() in Index.cshtml
+
@Html.DropDownListFor(m => m.WeatherLocation.LocationId, Model.Locations, "-Select a Location",
This error is coming when I poppulate the data on the table after I clicked the submit button and calling its post method. something error is coming in WeatherLocation please help
I am trying to list the record in the same view Index. It is working and the data is coming on the query but when I am trying to list the record on the index view from post method , it is showing some error on the drop down of location . Please help
controller
public async Task<IActionResult> Index()
{
IEnumerable<WeatherLocation> locList = _unitOfWork.Location.GetAll();
ViewBag.LocationName = _unitOfWork.Location.GetAll();
WeatherVM weatherVM = new WeatherVM()
{
Locations = locList.Select(i => new SelectListItem
{
Text = i.LocationName,
Value = i.LocationId.ToString()
}),
WeatherLocation = new WeatherLocation()
};
weatherVM.ForcastDate= DateTime.UtcNow.Date;
return View(weatherVM);
}
[HttpPost]
[ValidateAntiForgeryToken]
public async Task<IActionResult> Index(WeatherVM weatherVM)
{
IEnumerable<WeatherLocation> locList = _unitOfWork.Location.GetAll();
int locationId = weatherVM.WeatherLocation.LocationId;
var LocationObj = _unitOfWork.Location.
GetFirstOrDefault(l => l.LocationId == locationId);
string _location = weatherVM.LocationName;
string woied = LocationObj.Woeid;
string forcastDate = weatherVM.ForcastDate.ToString("yyyy/MM/dd", CultureInfo.InvariantCulture);
// DateTime.Today.ToString("dd/MM/yyyy", CultureInfo.InvariantCulture);
if (_location == "B")
{
woied = "44544";
}
var weatherList = await _weatherRepository.GetWeatherAsync(woied, forcastDate);
weatherVM.Weather = weatherList;
return View(weatherVM);
}
View
@model MetaWeather.ViewModels.WeatherVM
@{
ViewData["Title"] = "Index";
}
<h1>Forcast Weather </h1>
<form asp-controller="Forcast" asp-action="Index" method="post">
<div class="form-group">
<div class="row">
<div class="col-sm-2">
<label asp-for="Locations">Locations</label>
</div>
<div class="col-4">
<select class="form-control" asp-for="LocationName" data-role="select" selected="selected" data-parsley-errors-container="#errId17">
<option value="">-- Select --</option>
<option value="B">Belfast</option>
<option value="L">London</option>
<option value="O">Other</option>
</select><span asp-validation-for="LocationName" class="text-danger"></span>
</div>
</div>
</div>
<div class="form-group">
<div class="row">
<div class="col-sm-2">
<label asp-for="Locations">Locations</label>
</div>
<div class="col-4">
@Html.DropDownListFor(m => m.WeatherLocation.LocationId, Model.Locations, "-Select a Location",
new { @class = "form-control" })
</div>
</div>
</div>
<div class="form-group row">
<div class="col-sm-2">
<label asp-for="ForcastDate"></label>
</div>
<div class="col-4">
<input type='text' id="forcastDate" asp-for="ForcastDate" class="form-control" />
<span asp-validation-for="ForcastDate" class="text-danger"></span>
</div>
<br />
</div>
<div class="form-group row">
<div class="col-4 offset-4">
<button type="submit" class="btn btn-primary form-control">
View
</button>
</div>
</div>
<hr />
<table>
@if (Model.Weather == null)
{
<tr><td colspan="3" class="text-center">No Forcast Listed</td></tr>
}
else
{
<tr>
<th>ApplicableDate</th>
<th>WeatherStateName</th>
<th>WeatherStateAbbr</th>
<th>WindDirectionCompass</th>
<th>CreatedDate</th>
<th>MinTemp</th>
<th>MaxTemp</th>
<th>TheTemp</th>
<th>WindSpeed</th>
<th>windDirection</th>
<th>AirPressure</th>
<th>Humidity</th>
<th>Visibllity</th>
<th>Predictability</th>
<th></th>
</tr>
@foreach (var item in Model.Weather)
{
<tr>
<td>@String.Format("{0:dd/MM/yyyy}", item.applicable_date)</td>
<td>@item.weather_state_name</td>
</tr>
}
}
</table>
</form>
@section Scripts{
<script>
$(document).ready(function () {
$("#forcastDate").datepicker({ format: 'dd/mm/yyyy', date: new Date(1900, 01, 01), autoclose: true, todayBtn: 'linked' });
});
</script>
}
