problem about createinstance-Collection of common programming errors

• 
  Noah
  c# asp.net strongly-typed-dataset activator createinstance
  I am trying to create an instance of a typed dataset dynamically in my code at runtime. I have the type available to me, but when I try to do this:object obj = Activator.CreateInstance(Type.GetType(“TYPED DATASET TYPE HERE”));The problem is the type doesn’t seem to be valid according to the code when I try and run it. What could I be doing wrong here?
• 
  LeakyCode
  c# .net types activator createinstance
  I am using (a slightly extended version of) the following code in a factory-pattern style function:public class SingleItemNew : CheckoutContext{public BookingContext Data { get; set; }public SingleItemNew(BookingContext data){Data = data;}} public CheckoutContext findContext(BookingContext data) { Type contextType = Type.GetType(“CheckoutProcesses.” + data.Case.ToString());CheckoutContext output =Activator.CreateInstance(contextType, BindingFlags.CreateInstance, new[] { data }) as CheckoutContex
• 
  Clever Human
  .net reflection createinstance
  According to How the Runtime Locates Assemblies step 2 is Checking for Previously Referenced Assemblies. However, in the code below you can see that this is definitely not happening. In the first line, an assembly is loaded (which should make it a “previously referenced assembly” for all future calls.)However, a couple lines later when the code calls AppDomain.CurrentDomain.CreateInstance, the AssemblyResolve event is fired, indicating that the runtime is unable to locate the requested assembly.
• 
  Martin Reiner
  delphi dynamic delphi-xe2 createinstance tform
  is it possible to create and show TForm without having source files for it ? I want to create my forms at runtime and having the empty *.dfm and *.pas files seems to me useless.Thank you
• 
  Uwe Keim
  c# reflection casting createinstance
  How does one cast the return value from CreateInstance when the type is unknown?For example in this code:MethodInfo mInfo = typeof(MyType).GetMethod(MethodBase.GetCurrentMethod().Name); Object o = Activator.CreateInstance(mInfo.ReturnType);how do I cast my o to whatever mInfo.ReturnType contains?
• 
  Albin Sunnanbo
  c# activator createinstance
  on initialize a class by string variable in c#? I already found out how to create an class using a stringso what i already have is :Type type = Type.GetType(“project.start”); var class = Activator.CreateInstance(type);what i want to do is call a function on this class for example:class.foo();is this possible? and if it is how?
• 
  acordner
  com idispatch createinstance
  I am writing an application to interface with COM components and I have run into a problem when working with the Excel.Application component while running my application in the Visual Studio 10 IDE. I am getting a fatal Out of Memory error. Everything runs fine if I just run the EXE, but this severely limits my debugging capabilities. All other COM components I have accessed this way work fine, including both home-grown and commercially available components. Here is a console app that demonstrat
• 
  kamran ghiasvand
  nullpointerexception filenotfoundexception createinstance mjsip
  I am new to MjSip and i want to create an instance of SipProvider class. so I worte this little code but get some error:sip_provider = new SipProvider(“192.168.0.254”,5060);and here is error stack:java.io.FileNotFoundException: log\192.168.0.254.5060_events.log (The system cannot find the path specified) at java.io.FileOutputStream.open(Native Method) at java.io.FileOutputStream.<init>(Unknown Source) at java.io.FileOutputStream.<init>(Unknown Source) at org.zoolu.tools.Log.<init&

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