i have 2 page i need to navigate mainpage.xaml to login.page xaml but it throws me Object reference not set to an instance of an object. inRoot.Children.Clear();...开发者_运维百科.
Forgive me for being a little naive perhaps, but it seems that System.Windows.Controls.DataVisualization.Charting has vanished from VS2010, and blend 4.I\'m trying to make a bar graph with a line over
I\'ve been playing around with C# console applications for about a year and I want to move on to creating GUI applications. I have never done any GUI development besides basic Java applicati开发者_高级
I have some entities created with LINQ-to-SQL. Six of these entities (representing values primarily in drop-down lists) implement an interface I\'ve called IValue. I did this because the UI layer is g
C#4.0 brings optional parameters, which I\'ve been waiting for for quite some time. However it seems that because only System types can be const, I cannot use any class/struct which I have created as
I have two overloaded methods, one with an optional parameter. void foo(string a){ } void foo(string a, int b = 0) { }
C# 4.0 introduced a new type called \'dynamic\'. It all sounds good, but what 开发者_运维问答would a programmer use it for?
I was wondering if anyone has had any luck getting a DynamicObject to serialize and work with WCF? Here’s my little test:
I don\'t understand why \'x\' below converts, but \'y\' and \'z\' do not. var li开发者_如何学Pythonst = new List<List<int>>();
I\'m having a little trouble understanding how I would use covariance and contravariance in the real world.
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