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c# Programming Glossary: you

Cross-thread operation not valid: Control accessed from a thread other than the thread it was created on

http://stackoverflow.com/questions/142003/cross-thread-operation-not-valid-control-accessed-from-a-thread-other-than-the

EDIT As per SilverHorse's update comment the solution you want then should look like UserContrl1_LOadDataMethod string.. name textbox1.text if name MyName do whatever Do your serious processing in the separate thread before you attempt.. Do your serious processing in the separate thread before you attempt to switch back to the control's thread. For example..

Create Excel (.XLS and .XLSX) file from C# [closed]

http://stackoverflow.com/questions/151005/create-excel-xls-and-xlsx-file-from-c-sharp

will work but it requires Excel to be on the machine you are using. Also the OLEDB method is intriguing but may not yield.. This looks to be a port of the PHP ExcelWriter that you mentioned above. It will not write to the new .xlsx format yet.. and easy to use. Plus it has a DataSetHelper that lets you use DataSets and DataTables to easily work with Excel data...

Dynamic LINQ OrderBy on IEnumerable<T>

http://stackoverflow.com/questions/41244/dynamic-linq-orderby-on-ienumerablet

in the VS2008 Examples for Dynamic LINQ that allows you to use a sql like string e.g. OrderBy Name Age DESC for ordering... this oldie... To do this without the dynamic LINQ library you just need the code as below. This covers most common scenarios.. nested properties. To get it working with IEnumerable T you could add some wrapper methods that go via AsQueryable but the..

Why are mutable structs evil?

http://stackoverflow.com/questions/441309/why-are-mutable-structs-evil

means they are copied when they are passed around. So if you change a copy you are changing only that copy not the original.. when they are passed around. So if you change a copy you are changing only that copy not the original and not any other.. and not any other copies which might be around. If your struct is immutable then all automatic copies resulting from..

What's the difference between String and string?

http://stackoverflow.com/questions/7074/whats-the-difference-between-string-and-string

I think it's generally recommended to use string any time you're referring to an object. e.g. string place world Likewise.. I think it's generally recommended to use String if you need to refer specifically to the class. e.g. string greet String.Format..

Random number generator only generating one random number

http://stackoverflow.com/questions/767999/random-number-generator-only-generating-one-random-number

c# random share improve this question Every time you do new Random it is initialized using the clock. This means.. using the clock. This means that in a tight loop you get the same value lots of times. You should keep a single Random.. If we do that at the same time from multiple threads you could argue we've just made the outcome even more random but..

Deep cloning objects in C#

http://stackoverflow.com/questions/78536/deep-cloning-objects-in-c-sharp

it in our stuff. As mentioned elsewhere it does require your objects to be serializable. using System using System.IO using.. stream The idea is that it serializes your object and then deserializes it into a fresh object. The benefit.. deserializes it into a fresh object. The benefit is that you don't have to concern yourself about cloning everything when..

Create Excel (.XLS and .XLSX) file from C# [closed]

http://stackoverflow.com/questions/151005/create-excel-xls-and-xlsx-file-from-c-sharp

Excel Writer c# .net excel share improve this question You can use a library called ExcelLibrary. It's a free open source.. adding support in the future for newer 2007 2010 formats. You can also use EPPlus which works only for Excel 2007 2010 format.. ds Creating the Excel file is as easy as that. You can also manually create Excel files but the above functionality..

When do you use the “this” keyword? [closed]

http://stackoverflow.com/questions/23250/when-do-you-use-the-this-keyword

on the current instance To cast itself to another type You can avoid the first usage by declaring getter and setter for..

Deserialize JSON into C# dynamic object?

http://stackoverflow.com/questions/3142495/deserialize-json-into-c-sharp-dynamic-object

object arrayList.Cast object return result #endregion You can use it like this string json ... var serializer new JavaScriptSerializer.. the JSON string which I found useful for debugging. You can drop the two methods out if you don't want them as they..

WebBrowser Control in a new thread

http://stackoverflow.com/questions/4269800/webbrowser-control-in-a-new-thread

multithreading web browser share improve this question You have to create an STA thread that pumps a message loop. That's.. environment for an ActiveX component like WebBrowser. You won't get the DocumentCompleted event otherwise. Some sample..

Protect .NET code from reverse engineering?

http://stackoverflow.com/questions/506282/protect-net-code-from-reverse-engineering

reverse engineering share improve this question You can't. There are steps you can take to make it a little more.. license code can be undone with a single byte patch. You just need to accept that there is a very real chance people..

Use of Application.DoEvents()

http://stackoverflow.com/questions/5181777/use-of-application-doevents

And doesn't. Which is why you shouldn't use DoEvents . You should use threads. Even though they hand you a complete arsenal..

Proper use of the IDisposable interface

http://stackoverflow.com/questions/538060/proper-use-of-the-idisposable-interface

In C# you don't explicitly override the Finalize method. You write a method that looks like a C destructor and the compiler.. subtle bug Keep reading But there's a bug in that code. You see the garbage collector runs on a background thread you don't.. the last call to Dispose you'll try to dispose them again You'll notice in my code I was careful to remove references to objects..

Random number generator only generating one random number

http://stackoverflow.com/questions/767999/random-number-generator-only-generating-one-random-number

that in a tight loop you get the same value lots of times. You should keep a single Random instance and keep using Next on..

What does the [Flags] Enum Attribute mean in C#?

http://stackoverflow.com/questions/8447/what-does-the-flags-enum-attribute-mean-in-c

name of the flag enumerated constant whose value is zero. You cannot use the None enumerated constant in a bitwise AND operation.. determine whether any bits in the numeric value are set. You can find more info about the flags attribute and its usage at..

How can I detect the encoding/codepage of a text file

http://stackoverflow.com/questions/90838/how-can-i-detect-the-encoding-codepage-of-a-text-file

text encoding globalization share improve this question You can't detect the codepage you need to be told it. You can analyse.. You can't detect the codepage you need to be told it. You can analyse the bytes and guess it but that can give some bizarre.. to have a string without knowing what encoding it uses. You can no longer stick your head in the sand and pretend that plain..