split new char

This article is only a cottage test products, ideas for reference only. -------------------------------------------------------------------------------- Principle Introduction:Index establishment The directory structure partition scheme is also

In the process of coding, we often need to handle some strings. For example, some splitting of strings, substitution of characters in strings, and clipping, for example, the need to convert strings into transitions, formatting constraints, and so on.

Copy CodeThe code is as follows: Class ExchangeRate { Private Const string _baseurl = "web address"; Public Const string CurrencyCode = "currency type to ' delimited";//currency type Public Hashtable GetValues () { Hashtable Htreturn = new

Interactive again to the weekend, with so little of their own time, so the last did not make up the part of the whole, the body of the fifth article to the time, in fact, has been sent out, now to be issued is to honor what I said in the preface,

Access to | server//Hopefully through this article, you can write your own email client program in C # This is a follow up to my SMTP example which shows how to access your POP3 server. This is the program connects and logs in to your POP3 server,

The functionality to be implemented is as follows: because we want to test the data from the input box, our connection string is not written to die in the application. Let me explain in more detail below.First, we need to find the

Using Npoi to export Excel tables Basically, I find it very rare to export Excel forms and prompt them to download.The simple code is as follows1 //MVC projects can pass multiple IDs with comma-separated strings2 PublicActionResult

usingSystem;usingSystem.Collections.Generic;usingSystem.Linq;usingSystem.Text;usingSystem.Data.SqlClient;usingSystem.IO;namespace_03 importing Data {classProgram {Static voidMain (string[] args) { stringstr ="Data source=xy-pc;initial

Originally wrote this program is the boss's request to solve the "update the spatial data in Oracle because the WKT string is too long to error" This problem, the previous update is to insert an SQL statement in the program to update, due to some

First, sqlite operation, direct code, very simple://Create a database fileString Datasource=application.startuppath + "\\test.db";System.Data.SQLite.SQLiteConnection.CreateFile (DataSource);Connecting to a databaseSystem.Data.SQLite.SQLiteConnection

Now you can complete the deletion function. Currently, only one row can be selected for a Grid, that is, only one row can be deleted at a time, which is not convenient. Therefore, you need to set it to use the check box and allow multiple selections.

ASP string Segmentation function UsageLet's start with a simple example.But its array length is 25, not 3. The following method is to first replace "[111cn.net]" with a special character, such as $, in accordance with this character to perform

C # basic knowledge in ASP. NET, (Asp.net, as a development framework, is now widely used. In addition to front-end html, css, JavaScript, and other backend most important language support, it is still C #, below we will summarize the basic

C # basic knowledge in ASP. NET, C # basic knowledge in ASP. NET (Asp.net, as a development framework, is now widely used. In addition to front-end html, css, JavaScript, and other backend most important language support, it is still C #, below we

C # Image taking and saving watermark photos, Because I have been working in colleges and universities and involved in enrollment, I have to collect student images during enrollment, so I wrote an image collection tool by hand. Image Acquisition

Compared with the notin and max methods, the two top methods of mssqlaccesstop paging method can pass in an SQL statement to generate paging SQL statements, and can also be sorted by multiple fields. However, they also have advantages and

[MVC5] Permission + role, mvc5 permission role1. Set the User Role in Ticket In the Ticket permission, set the user role (separated by commas ). List roles = new List (); if (isAdmin) {roles. add ("Admin");} roles. add ("Guest");

Asp.net core mvc permission control: assigning permissions and mvc permission Control The previous article introduced how to implement permission control, that is, when accessing a controller or method, the current user must have specific

1. How to convert a decimal number string into a hexadecimal number string in C #Decimal Turn binaryConsole.WriteLine ("Decimal 166 binary representation:" +convert.tostring (166, 2));Decimal Turn octalConsole.WriteLine ("Octal Representation of

C # Is a new language launched by Microsoft with VS.net. As an emerging language, it has strong C ++ and RAD features such as VB. Moreover, Microsoft launched C # mainly to combat Sun's Java. Everyone knows the powerful functions of Java, especially