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c# Programming Glossary: ofCreate Excel (.XLS and .XLSX) file from C# [closed] http://stackoverflow.com/questions/151005/create-excel-xls-and-xlsx-file-from-c-sharp requirement on the file. I am currently looking at a port of the PEAR PHP library Excel Writer that will allow some pretty.. in the Excel_97 compatible format that all modern versions of Excel support. The PEAR Excel Writer is here PEAR Excel Writer.. posted on Google Code ExcelLibrary This looks to be a port of the PHP ExcelWriter that you mentioned above. It will not write..
How to properly clean up Excel interop objects http://stackoverflow.com/questions/158706/how-to-properly-clean-up-excel-interop-objects GC.Collect GC.WaitForPendingFinalizers Although this kind of works the Excel.exe process is still in the background even.. to ensure interop objects are properly disposed of. c# excel interop com interop share improve this question.. COM objects. I guess you're invoking at least one member of a COM object without assigning it to a variable. For me it was..
http://stackoverflow.com/questions/441309/why-are-mutable-structs-evil you have to consciously do it by creating a new instance of the struct with the modified data. not a copy share improve..
Random number generator only generating one random number http://stackoverflow.com/questions/767999/random-number-generator-only-generating-one-random-number I put a breakpoint two lines below that code all members of the mac array have equal value. Why does that happen c# random.. means that in a tight loop you get the same value lots of times. You should keep a single Random instance and keep using.. here Basically Next is going to change the internal state of the Random instance. If we do that at the same time from multiple..
http://stackoverflow.com/questions/78536/deep-cloning-objects-in-c-sharp that are not reflected in the original object. I don't often need this functionality so when it's been necessary I've.. the feeling that there is a better or more elegant way of handling the situation. How can I clone or deep copy an object.. Provides a method for performing a deep copy of an object. Binary Serialization is used to perform the copy...
Get property value from string using reflection in C# http://stackoverflow.com/questions/1196991/get-property-value-from-string-using-reflection-in-c-sharp src.GetType .GetProperty propName .GetValue src null Of course you will want to add validation and whatnot but that..
When should I use a List vs a LinkedList http://stackoverflow.com/questions/169973/when-should-i-use-a-list-vs-a-linkedlist a List vs a LinkedList When is it better to use a List Of T vs a LinkedList Of T c# .net vb.net data structures linked.. When is it better to use a List Of T vs a LinkedList Of T c# .net vb.net data structures linked list share improve..
Dependency Inject (DI) “friendly” library http://stackoverflow.com/questions/2045904/dependency-inject-di-friendly-library that will have several different high level functions. Of course those high level functions will be implemented using..
When to Use Static Classes in C# http://stackoverflow.com/questions/241339/when-to-use-static-classes-in-c-sharp just returns new MyClass Only a Sith deals in absolutes Of course there are exceptions to my dislike of static methods...
How is Generic Covariance & Contra-variance Implemented in C# 4.0? http://stackoverflow.com/questions/245607/how-is-generic-covariance-contra-variance-implemented-in-c-sharp-4-0 to be fine when it's presented with a string instead. Of course C# 2 already has covariance and contravariance of delegates..
workarounds for nameof() operator in C#: typesafe databinding http://stackoverflow.com/questions/301809/workarounds-for-nameof-operator-in-c-typesafe-databinding
http://stackoverflow.com/questions/410026/proper-use-of-yield-return and I've never been confident that I'm using it correctly. Of the following two pieces of code which is the preferred and..
Regarding IE9 WebBrowser control http://stackoverflow.com/questions/4612255/regarding-ie9-webbrowser-control rendering mode inside the page by changing the doctype. Of course to change the browser mode you have to set your registry..
How do I make a textbox that only accepts numbers? http://stackoverflow.com/questions/463299/how-do-i-make-a-textbox-that-only-accepts-numbers NumericUpDown does the filtering for you which is nice. Of course it also gives your users the ability to hit the up and.. point if e.KeyChar '.' sender as TextBox .Text.IndexOf '.' 1 e.Handled true You can remove the check for '.' and..
http://stackoverflow.com/questions/5181777/use-of-application-doevents to false is a quick and efficient way to avoid problems. Of course no programmer ever actually likes doing this. And doesn't...
Extension method and dynamic object in c# http://stackoverflow.com/questions/5311465/extension-method-and-dynamic-object-in-c-sharp dList list Console.WriteLine Enumerable.First dList Of course that may or may not be useful. If you could give more..
http://stackoverflow.com/questions/536636/write-array-to-excel-range Excel.Range range wsh.get_Range c1 c2 range.Value arr Of course you do not need to use an intermediate DataTable like..
How would you count occurrences of a string within a string? http://stackoverflow.com/questions/541954/how-would-you-count-occurrences-of-a-string-within-a-string term I'm searching for so you can assume that... EDIT II Of course for strings where length 1 string haystack once upon..
In C#, why can't a List<string> object be stored in a List<object> variable http://stackoverflow.com/questions/6557/in-c-why-cant-a-liststring-object-be-stored-in-a-listobject-variable string to System.Collections.Generic.List object Of course you can do it by pulling everything out of the string..
.NET XML serialization gotchas? [closed] http://stackoverflow.com/questions/67959/net-xml-serialization-gotchas you don't want to include the Unicode Byte Order Mark . Of course the ways to use or not use the BOM are almost the same..
When should I use double instead of decimal? http://stackoverflow.com/questions/803225/when-should-i-use-double-instead-of-decimal operations such as those found in modeling software. Of course doubles should not be used when precision is required..
Understanding events and event handlers in C# http://stackoverflow.com/questions/803242/understanding-events-and-event-handlers-in-c-sharp pointers to the methods to call when the event is raised. Of course we need to know what arguments to pass to a method to..
Difference Between Equals and == http://stackoverflow.com/questions/971954/difference-between-equals-and compilation time type that overload resolution depends on. Of course if a is null then you'll get a NullReferenceException..
Why is Multiple Inheritance not allowed in Java or C#? http://stackoverflow.com/questions/995255/why-is-multiple-inheritance-not-allowed-in-java-or-c don't want this concept presumably VB.NET for example . Of course that's the business we are in as a common language runtime..
C# Get property value without creating instance? http://stackoverflow.com/questions/11162652/c-sharp-get-property-value-without-creating-instance IS FOR FUN ONLY. USING IT WILL INCUR WAILING AND GNASHING OF TEETH. using System using System.Reflection.Emit public class..
In C#, why can't i test if a event handler is null anywhere outside of the class that it's defined? http://stackoverflow.com/questions/1246116/in-c-why-cant-i-test-if-a-event-handler-is-null-anywhere-outside-of-the-class void OnSomeEvent EventArgs e CANONICAL WAY TO TEST EVENT. OF COURSE THIS WORKS. if SomeEvent null SomeEvent this e public..
Using the instance version of CreateMap and Map with a WCF service? http://stackoverflow.com/questions/1668962/using-the-instance-version-of-createmap-and-map-with-a-wcf-service I would really appreciat any help. EDITED AN EXAMPLE OF WHAT I HAVE Basically all mapping is working as it should as..
avoiding null reference exceptions http://stackoverflow.com/questions/1943465/avoiding-null-reference-exceptions it out and see for yourself. RESEARCH ON THE PREVALENCE OF NULL REFERENCE ERRORS There has been some debate in this thread..
http://stackoverflow.com/questions/2629720/debug-windows-service that might suggest I look at a template . EDIT 2 NONE OF THESE ARE WORKING Everytime I try something I get some message..
http://stackoverflow.com/questions/380595/multimap-in-net or other materials provided with the distribution. THIS SOFTWARE IS PROVIDED BY SOLUTIONS DESIGN ``AS IS'' AND ANY EXPRESS.. INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED... DAMAGES INCLUDING BUT NOT LIMITED TO PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES LOSS OF USE DATA OR PROFITS OR..
http://stackoverflow.com/questions/541466/oracleparameter-and-in-clause type in your database CREATE TYPE t_varchar2 AS TABLE OF VARCHAR2 4000 Create a collection parameter OracleParameter..
What are some resources I can use to learn profiling/optimizing? http://stackoverflow.com/questions/550109/what-are-some-resources-i-can-use-to-learn-profiling-optimizing do I start what books blogs articels can I read I do know OF the .net profilers like ANTS profiler and so on but I have no..
Count total rows of gridview with pagination http://stackoverflow.com/questions/5788329/count-total-rows-of-gridview-with-pagination CANDIDATE S ARE ELIGIBLE FOR THE POST OF vacanyList.SelectedItem.Text.ToUpper . sendMailBtn.Visible true.. .Rows.Count.ToString CANDIDATE S ARE ELIGIBLE FOR THE POST OF vacanyList.SelectedItem.Text.ToUpper . appForVacGrid.PageIndex..
problem using Oracle parameters in SELECT IN http://stackoverflow.com/questions/6155146/problem-using-oracle-parameters-in-select-in type e.g. for NUMBER CREATE TYPE number_table AS TABLE OF NUMBER When you create the parameter for the query declare it..
using various types in a using statement (C#) http://stackoverflow.com/questions/966086/using-various-types-in-a-using-statement-c why does it accept multiple objects ONLY IF THEY ARE OF THE SAME TYPE I don't get it since all they need to be is IDisposable...
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