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c# Programming Glossary: andCreate Excel (.XLS and .XLSX) file from C# [closed] http://stackoverflow.com/questions/151005/create-excel-xls-and-xlsx-file-from-c-sharp Excel .XLS and .XLSX file from C# closed How can I create an Excel Spreadsheet.. don't have to add any third party dependencies to my code and I would like to avoid using Excel directly to create the file.. file using OLE Automation. The .CSV file solution is easy and is the current way I am handling this but I would like to control..
How to properly clean up Excel interop objects http://stackoverflow.com/questions/158706/how-to-properly-clean-up-excel-interop-objects I'm using the Excel interop in C# ApplicationClass and have placed the following code in my finally clause while System.Runtime.InteropServices.Marshal.ReleaseComObject.. get released by my code because I wasn't aware of it and was the cause why Excel was not unloaded. I found the solution..
http://stackoverflow.com/questions/441309/why-are-mutable-structs-evil this question . What's the actual problem with mutability and structs c# struct immutability mutable share improve this.. a copy you are changing only that copy not the original and not any other copies which might be around. If your struct is..
Random number generator only generating one random number http://stackoverflow.com/questions/767999/random-number-generator-only-generating-one-random-number number generator only generating one random number I have.. number generator only generating one random number I have the following function Function to get random.. number I have the following function Function to get random number public static int RandomNumber int min int max Random..
When to Use Static Classes in C# http://stackoverflow.com/questions/241339/when-to-use-static-classes-in-c-sharp cannot be defined through interfaces for logic reasons. And since we can't override static methods static classes are useless.. of a much more maintainable solution in the future. And finally if you want to avoid creating instances simply create..
http://stackoverflow.com/questions/271440/c-sharp-captured-variable-in-loop int i 0 i 10 i Just one variable foreach string x in foo And again despite how it reads out loud See section 7.14.4.2 of..
How to Deserialize XML document http://stackoverflow.com/questions/364253/how-to-deserialize-xml-document CarCollection serializer.Deserialize reader reader.Close And the slightly tweaked xml I needed to add a new element to wrap..
http://stackoverflow.com/questions/472906/net-string-to-byte-array-c-sharp simply to get what bytes the string has been stored in . And of course to be able to re construct the string from the bytes...
http://stackoverflow.com/questions/5181777/use-of-application-doevents yourself in the foot if you don't do it right. Easily. And doing it right requires knowing exactly what it does which in.. paint messages it delivers everything else as well. And there's a set of notifications that cause trouble. They come.. Of course no programmer ever actually likes doing this. And doesn't. Which is why you shouldn't use DoEvents . You should..
http://stackoverflow.com/questions/521298/when-to-use-struct-in-c lifetime from Add to Remove Clear or garbage collection And ... 4. Both structs store TKey and TValue which we all know..
Proper use of the IDisposable interface http://stackoverflow.com/questions/538060/proper-use-of-the-idisposable-interface Win32.DestroyHandle this.gdiCursorBitmapStreamFileHandle And you're done. Except you can do better. What if your object has.. this.frameBufferImage.Dispose this.frameBufferImage null And all is good except you can do better What if the person forgot.. this.frameBufferImage.Dispose this.frameBufferImage null And you change your implementation of the IDisposable.Dipose method..
What is the best workaround for the WCF client `using` block issue? http://stackoverflow.com/questions/573872/what-is-the-best-workaround-for-the-wcf-client-using-block-issue throw Compared to the using block I think that's ugly. And a lot of code to write each time you need a client. Luckily..
Difference between Property and Field in C# 3.0+ http://stackoverflow.com/questions/653536/difference-between-property-and-field-in-c-sharp-3-0 the other reason is that it's simply not good OO design. And if you don't have a very good reason for doing it always choose..
http://stackoverflow.com/questions/78536/deep-cloning-objects-in-c-sharp Create and fill a new object myObject newObj myObj.Clone And then make changes to the new object that are not reflected in.. about cloning everything when an object gets too complex. And with the use of extension methods also from the originally referenced..
What does the [Flags] Enum Attribute mean in C#? http://stackoverflow.com/questions/8447/what-does-the-flags-enum-attribute-mean-in-c Hey this is the same as MyColor.Green The None 0 value And regarding use 0 in you enumeration quoting from msdn Flags public..
http://stackoverflow.com/questions/898828/c-sharp-finalize-dispose-pattern C# 2008 I have been working on this for a while now. And I am still confused about some issues. My questions below I.. about the source code Here I have not added the finalizer. And normally the finalizer will be called by the GC and the finalizer..
LINQ to SQL - Left Outer Join with multiple join conditions http://stackoverflow.com/questions/1122942/linq-to-sql-left-outer-join-with-multiple-join-conditions period as p LEFT OUTER JOIN facts AS f ON p.id f.periodid AND f.otherid 17 WHERE p.companyid 100 I have seen the typical implementation.. but am unsure how to introduce the other join condition AND f.otherid 17 EDIT Why is the AND f.otherid 17 condition part.. the other join condition AND f.otherid 17 EDIT Why is the AND f.otherid 17 condition part of the JOIN instead of in the WHERE..
ObservableCollection that also monitors changes on the elements in collection http://stackoverflow.com/questions/269073/observablecollection-that-also-monitors-changes-on-the-elements-in-collection characteristics Sends event if collection is changed AND sends event if any of the elements in the collection sends a..
http://stackoverflow.com/questions/380595/multimap-in-net THIS SOFTWARE IS PROVIDED BY SOLUTIONS DESIGN ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES INCLUDING BUT NOT LIMITED.. NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT.. DATA OR PROFITS OR BUSINESS INTERRUPTION HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY WHETHER IN CONTRACT STRICT LIABILITY..
Combining two expressions (Expression<Func<T, bool>>) http://stackoverflow.com/questions/457316/combining-two-expressions-expressionfunct-bool of type Expression Func T bool and I want to take to OR AND or NOT of these and get a new expression of the same type Expression.. not work Expression Func T bool andExpression expr AND expr2 c# linq lambda expressions share improve this question..
Show Console in Windows Application? http://stackoverflow.com/questions/472282/show-console-in-windows-application started me from an existing console. else no console AND we're in console mode ... create a new console. AllocConsole.. @ hello. It looks like you double clicked me to start AND you want console mode. Here's a new console. Console.WriteLine..
How to check if a number is a power of 2 http://stackoverflow.com/questions/600293/how-to-check-if-a-number-is-a-power-of-2 and bool. For integral types computes the logical bitwise AND of its operands. For bool operands computes the logical AND.. of its operands. For bool operands computes the logical AND of its operands that is the result is true if and only if both..
Parameterized Query for MySQL with C# http://stackoverflow.com/questions/652978/parameterized-query-for-mysql-with-c-sharp String readCommand SELECT LEVEL FROM USERS WHERE VAL_1 AND VAL_@ public bool read string id level 1 MySqlCommand m new.. SELECT LEVEL FROM USERS WHERE VAL_1 @param_val_1 AND VAL_2 @param_val_2 public bool read string id level 1 MySqlCommand..
How to build a query string for a URL in C#? http://stackoverflow.com/questions/829080/how-to-build-a-query-string-for-a-url-in-c similar things I've usually been interested in serialising AND deserialising so my suggestion is to build a NameValueCollection..
What does the [Flags] Enum Attribute mean in C#? http://stackoverflow.com/questions/8447/what-does-the-flags-enum-attribute-mean-in-c So when you retreive the value you are actually bitwise AND'ing the values myProperties.AllowedColors 00001110 MyColor.Green.. You cannot use the None enumerated constant in a bitwise AND operation to test for a flag because the result is always zero...
.NET Events for Process executable start http://stackoverflow.com/questions/848618/net-events-for-process-executable-start WITHIN 10 WHERE TargetInstance ISA 'Win32_Process' AND TargetInstance.Name ' processName ' The dot in the scope means.. WITHIN 10 WHERE TargetInstance ISA 'Win32_Process' AND TargetInstance.Name ' processName ' The dot in the scope means..
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