C#

Install-Package Newtonsoft.Json

MichaelC#Noob wrote:

I also found out, since posting this, that my call to nuget.exe results in the same problem.

Neither of those programs have viruses.

public Void MyMethod(string id)
{
 List<Product> _products = new List<Product>();
 List<Category> _categories = new List<Category>();
 
 _products = psc.FindAllProducts().ToList();//Returns a list of Products
 _categories = psc.FindAllCategories().ToList();//Returns a list of Categories
 
 ProductCategory selectedCategory = new ProductCategory();
 StringBuilder errors = new StringBuilder();
 
 try
 {
      var _productCategories = 
      from c in _categories join p in _products 
      on c.ID equals p.CategoryID 
      select new 
      {
         p.ID, p.Name, p.CategoryID, 
         _categoryID = c.ID, _categoryName = c.Name 
      };

      try
      {
        var selectedCat = _productCategories
        .Where(x => x._categoryID ==  Convert.ToInt32(id))
        .SingleOrDefault()._categoryName;
 
        foreach (var pc in _productCategories)
        {
          if (Convert.ToInt32(id) == pc.CategoryID)
          {
            selectedCategory.ProductID = pc.ID;
            selectedCategory.Name = pc.Name;
            selectedCategory.CategoryID = pc._categoryID;
            selectedCategory.CategoryName = pc._categoryName;
          }
        }                  
       }
       catch (Exception ex)
       {
           errors.Append(ex).AppendLine("<br> <br>");
       }
 }
 catch (Exception ex)
 {
    errors.Append(ex).AppendLine("<br"> <br>");
 } 
}

List<Product> _products = psc.FindAllProducts();
List<Category> _categories = psc.FindAllCategories();

var _productCategories = 
    from c in _categories
    join p in _products
    on c.ID equals p.CategoryID
    select new {
        p.ID, p.Name, p.Price,
        p.Quantity, p.CategoryID,
        _categoryID = c.ID,
        _categoryName = c.Name
    };

var selectedProductCategory = _productCategories.SingleOrDefault(x => x._categoryID.ToString() == id);
var selectedCat = selectedProductCategory == null ? null : selectedProductCategory._categoryName;

// Or, with C# 6:
var selectedCat = _productCategories.SingleOrDefault(x => x._categoryID.ToString() == id)?._categoryName;

// Or, to throw an exception if the category doesn't exist:
var selectedCat = _productCategories.Single(x => x._categoryID.ToString() == id)._categoryName;