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Software Development direction: How the IndexOf () method of a string array is not availablePublic double[,] Getloaddata (string[] strarr){double[,] S = new double[16, 8];foreach (String str in Strarr){Strarr.indexof ()//In the auto prompt, the

Common class libraries. NET in the stringCharacteristics of strings 1. immutability Because the string is immutable, each time the string is modified, a separate copy of the string is created (a copy of the string is copied).  The change is

1. Converting a string of decimal numbers to a string of hexadecimal numbersDecimal Turn binaryConsole.WriteLine ("Decimal 166 binary representation:" +convert.tostring (166, 2));Decimal Turn octalConsole.WriteLine ("Octal Representation of decimal

Rewrite requirement 1: Change the character array str to the character pointer p to dynamically open up storage spaceRewrite requirement 2: Increase the number of statistics keywords function void countkeywords ()Rewrite requirement 3: Add

The project uses Bootstrap, so you don't have to write too much CSS, save a lot of things.But this business system needs a lot of input, each table has more than 100 fields, each page requires a large number of forms.It is also a headache to write

---------------because the encryption of the decryption all need to use the key all in the encryption after the key and encryption code will be stored in the databaseUnique encryption methodpublic static string Weijiamiguid (string texts){String

  This article mainly introduces the use of ASP.net string segmentation function, the need for friends can refer to the following Let's take a look at a simple example but its array length is 25 instead of 3. The following approach is to first

public void Downfile (string guid) { var filetransfer = new Filetransfer (); var directorypath = Path.Combine (Initinfo.config_garbagepath, "FileImport", GUID); Filetransfer.chunktransfer

Copy Code code as follows: public static bool DownloadFile (HttpContext HttpContext, String FilePath, long speed) { BOOL ret = true; Try { #region--Verify: HttpMethod, the requested file exists Switch

1. Take the length of the stringString str= "China";int len=str.length;2, string converted to bit code GetBytesByte[] Bytstr=system. Text.Encoding.Default.GetBytes (str);3. String Miss Home StringBuilder ()System.Text.StringBuilder sb=new System.

Source: Whim-Blog Park What this article covers: 1: Own making Pop3helper The handling of the letter format has trouble 2: Use the ready-made POP3 class LumiSoft.Net.POP3.Client; There are two ways of handling 3: Use IMAP to receive mail Function

Read CSV file: In many systems, you need to read the CSV file, I also encountered in a previous project to read the data in the CSV file to the DataTable for processing, the following code It's a method I wrote about importing data from a CSV file

Original: MVC validation 03-Custom validation rules, forbidden to enter certain valuesThis article continues to experience custom validation rules, where the requirement is to disallow the entry of certain values. This article is related to the

To do a program today, select the option from the CheckBoxList into the database, and then to read the data from the database and also to correspond to the corresponding options up, stored in the database is very simple, with a circular deposit on

1. Separated by string: Using System.Text.RegularExpressions;String str= "AAAJSBBBJSCCC";String[] Sarray=regex.split (str, "JS", regexoptions.ignorecase);foreach (String i in Sarray) Response.Write (i.tostring () + "");Output results:AaaBbbCcc 2.

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asp.net| function | speed | download Output hard disk file, provide downloadInput parameter _request:page.request object, _response:page.response object, _filename: Download filename, _fullpath: Download path with filename, _speed number of bytes

asp.net| function | download/output hard disk file, provide download Input parameter _request:page.request object, _response:page.response object, _filename: Download filename, _fullpath: Download path with filename, _speed number of bytes allowed

asp.net|xml| data In order to reduce access to the database, the foreground page usually reads only the XML file, but when updating the database, you need to update the XML file at the same time, add a good one, but delete it, The following program

C # development Wpf/silverlight animation and games series Tutorials (Game Course): (14) Wizard control turned out! ① In the previous section, we achieved a map traction movement, while still leaving behind a small tail: how can the protagonist and