i keep getting this error message: Object reference not set to an instance of an object. private static void GetIPInfo(User user)
I have a simple email form written in ASP.NET with the logic in the codebehind file. It\'s all in C# (the logic that is...). Anyways, on page load I have the following:
In MyApp.something.BigObject I have a memory expensive object an开发者_JAVA百科d I like to do this var theObject = MyApp.something.BigObject;. My question is would that take up double the memory or no
private void anotherMethod() { 开发者_开发知识库DirectoryInfo d = new DirectoryInfo(\"D\\\\:\");
I am unable to understand how this works public void addToRule(Rule r) { if (!getRuleList().contains(r)) {
This question already has answers here: Closed 11 years ago. Possible Duplicate:开发者_开发问答 What is a NullReferenceException in .NET?
In C#开发者_开发技巧, when I have two object obj1, obj2 composed of a List<string> and I assign both of those objects to the same List<string> object.
I just happen to ponder of a OO concept which may sound quite trivial but I don\'t know why I find it quite confusing.
I have a VB.NET user control that is saving a PDF document and then displaying that in a WebBrowser control.The code looks like this:
I have developed my asp.net website in .NET 2.0 in other system where it is working fine. Now when I copied the asp.net website in my system and run it than I am getting the run time error:
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