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ModelBinding Issue with a Struct


ModelBinding Issue with a Struct

By : user2956819
Date : November 22 2020, 03:03 PM
This might help you I have a ViewModel which contains the following struct: , You need to create properties instead of fields like so:
code :
public struct PricesAndDiscounts
{
    public decimal FlatOff { get; set; }
    public int UnitPrice { get; set; }
    public decimal TotalDiscount { get; set; }
    public decimal TotalOptions { get; set; }
    public decimal TotalOrderPrice { get; set; }
}


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CultureInfo issue with Modelbinding double in asp.net-mvc(2)

CultureInfo issue with Modelbinding double in asp.net-mvc(2)


By : Mortosis
Date : March 29 2020, 07:55 AM
seems to work fine I'm not sure how far localisation goes with the default model binder (DefaultModelBinder), but you can easily create a binder yourself that can handle the culture specific parsing of the data, e.g, create a new class, let's call it the DoubleModelBinder, copypasta the following:
code :
public class DoubleModelBinder : IModelBinder
{
    /// <summary>
    /// Binds the value to the model.
    /// </summary>
    /// <param name="controllerContext">The current controller context.</param>
    /// <param name="bindingContext">The binding context.</param>
    /// <returns>The new model.</returns>
    public object BindModel(ControllerContext controllerContext, ModelBindingContext bindingContext)
    {
        var culture = GetUserCulture(controllerContext);

        string value = bindingContext.ValueProvider
                           .GetValue(bindingContext.ModelName)
                           .ConvertTo(typeof(string)) as string;

        double result = 0;
        double.TryParse(value, NumberStyles.Any, culture, out result);

        return result;
    }

    /// <summary>
    /// Gets the culture used for formatting, based on the user's input language.
    /// </summary>
    /// <param name="context">The controller context.</param>
    /// <returns>An instance of <see cref="CultureInfo" />.</returns>
    public CultureInfo GetUserCulture(ControllerContext context)
    {
        var request = context.HttpContext.Request;
        if (request.UserLanguages == null || request.UserLanguages.Length == 0)
            return CultureInfo.CurrentUICulture;

        return new CultureInfo(request.UserLanguages[0]);
    }
}
ModelBinder.Binders[typeof(Double)] = new DoubleModelBinder();
ASP.NET MVC3 ModelBinding Issue - Getting values of dropdowns into the model?

ASP.NET MVC3 ModelBinding Issue - Getting values of dropdowns into the model?


By : user3678581
Date : March 29 2020, 07:55 AM
seems to work fine Short Answer:
CountryId is not being populated because the DropDownlistFor is 'For' country => country.CodeId.
code :
Html.DropDownListFor(m => m.CountryId, new SelectList(ServiceLocatorFactory.GetCodeServiceLocator<Country>().GetAll(), "CodeId", "Description"), "Please Select")%>
public class AddressViewModel
{
  public int SelectedCountryId { get; set; }
}
<%: Html.DropDownListFor(m => m.SelectedCountryId, new SelectList(ServiceLocatorFactory.GetCodeServiceLocator<Country>().GetAll(), "CodeId", "Description"), "Please Select")%>
public ViewResult Save(AddressViewModel addressVM)
{
  var address = new Address() { Country = countriesStore.ById(addressVM.SelectedCountryId) };
  address.Save();

  ...
}
Modelbinding issue in Spring MVC and complex view model

Modelbinding issue in Spring MVC and complex view model


By : Prabhninder Sandhu
Date : March 29 2020, 07:55 AM
wish helps you Sounds like a binding issue. Have you tried using Spring's tag rather than ? It will automatically generate the checkbox attributes as well as a hidden field that Spring uses to determine whether the checkbox is 'on' or 'off'.
Also, you should use the the varStatus loop variable to keep track of the index.
code :
<ul>
<c:forEach var="item" items="${personViewModel.skillList}" varStatus="status">
    <form:checkbox path="skillList[${status.index}].skillSelected" id="chkSkill${item.skillId}"/>
    <label for="chkSkill${item.skillId}">${item.skillName}</label>   
</c:forEach>
</ul>
How to send a list of struct of struct over socket from client to server in C++ (serialization issue)?

How to send a list of struct of struct over socket from client to server in C++ (serialization issue)?


By : Hossam El Hasany
Date : March 29 2020, 07:55 AM
To fix the issue you can do I have 'manually' done something similar to what I suspect you want to do.
For the non-simple type (DataPktType) you might consider the following crude outline (if only to help get you started).
code :
struct SType{
  int Num;
  char Word[20];
  char sugg[20];

  virtual void store(ostream& os);
  virtual void restore(istream& is);
};


struct DataPktType
{
  list<SType> MyList;
  char filename[MAX_SIZE];
  int numslaves;

  virtual void store(ostream& os);
  virtual void restore(istream& is);
};
DataPktType::store(ostream& os)
{
   os << MyList.size(); // gotta know how many to extract later

   for (auto it = myList.begin(); myList.end(); it++)
   {
      it->store(os); // tell the SType to store itself at this point in the stream
   }

   os << filename;
   os << numslaves;
}
DataPktType::restore(istream& is)
{
   size_t listSize = 0;
   is >> listSize;  
   // input error checks

   for(size_t i=0; i<listSize; ++i)
   {
      SType listItem;

      listItem.restore(is); // assumes the list item contents are 'next' in the file

      MyList.push_back(listItem); // I don't use std::list often, 
      // there seems to be several choices for adding to a list
   }

   is >> filename;
   is >> numslaves;
}
Issue updating modelbinding radio button in AngularJS

Issue updating modelbinding radio button in AngularJS


By : Home Tuition Net
Date : March 29 2020, 07:55 AM
hop of those help? I guess your problem is the filter and the way you are approaching the correct answer identification, and also a misuse of the radio button binding.
Please take a look at the input[radio] documentation: https://docs.angularjs.org/api/ng/input/input%5Bradio%5D
code :
<input ng-model="$parent.selectedAnswer" name="Correct" type="radio" ng-value="answer" ng-click="setCorrectAnswer(answer.Id)" />
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