catch return

Recently, the company to expand the market unusually fast, weeks and so on to open dozens of sets of systems, although the system name is not the same, but the contents of similar. Because of the time constraints, many of the system to open

One is a page conversion class, which is implemented by static function Changfile () to convert dynamic pages to static pages. Copy Code code as follows: Using System; Using System.Data; Using System.Configuration; Using System.Web;

Error | Error handling | design Errhdleventlogclass: This class is the concrete implementation class that writes error information to the system log, which inherits from Abstracthandleclass. Users can customize the error-handling method by

Use socket to simulate http requests and socket to simulate requests Using System; using System. collections. generic; using System. linq; using System. net; using System. net. sockets; using System. text; using System. threading. tasks; class

$ (document). Ready (function () {$ ('#uploadify'). Uploadify ({onuploadsuccess:function (file, Returndata, response) {vardata = eval ('('+ Returndata +')'); if(Response = =true&& data. Success = ='true') {

Analyzes the DependencyResolver component of ASP. net mvc, I. Preface DependencyResolver is an important component in MVC. It can be seen from its name that it is responsible for parsing dependent objects. It can be said that it is an IOC container

Understand the DependencyResolver component of ASP. net mvc, I. Preface DependencyResolver is an important component in MVC. It can be seen from its name that it is responsible for parsing dependent objects. It can be said that it is an IOC

Preparations before the interview --- C # knowledge Review ---- 01, After the year, I was ready to find a new job. Although I had a good job in my hand, I had to move the tree to death and move people to work. We cannot keep living in a trap for a

[C # source code sharing] the client sends "small files" to the server through TCP communication, Source code (excluding the source code of the communication framework, please download the source code of the communication framework separately) In

18 critical errors in Web development and 18 critical errors in web Development In the past few years, I have the opportunity to participate in some interesting projects and develop, upgrade, restructure, and develop new functions

Obtain images of http and ftp addresses, Obtain the thumbnail and original image of the corresponding image based on the http and ftp image addresses. Public class GetBitmapImageClass {public BitmapSource GetImageHttp (string url, int width) {var

C # determine whether an external executable program has been opened (open if not ), # Region finds the relevant exe through the current Code Execution path and determines whether the startup is enabled Based on processes. Length Private bool

In SqlServer, an Image data type is used to store images up to 2 GB in size and convert the images to binary format! The disadvantage is that it occupies a lot of data storage space. However, it is much easier to read and store images for the

In WebForm, getting the value of the submitted form is generally the way of request.form["Title". In MVC, the model binding mechanism is provided. It's easier to get the parameters in the form or URL in the background.First, the basic model

Private Bitmap Zoomimage (Bitmap Bitmap, int destheight, int destwidth) { Try { System.Drawing.Image sourimage = bitmap; int width = 0, height = 0; //Proportional scaling int sourwidth = sourimage.width; int sourheight = sourimage.

When encountering HTTPS websites, C # HTTP requests are always reported as SSL connection errors. Later, after searching, we found a solution:. NET 2.0 requires the introduction of a third-party component:BouncyCastle.dll, This is an example I wrote:

1. Simple conversion of the hexadecimal value of the communication protocolBinary goto DecimalConsole.WriteLine ("Decimal Representation of binary 111101:" +convert.toint32 ("111101", 2));Octal goto DecimalConsole.WriteLine ("Decimal Representation

Using System;Using System. IO;Using System. Security. Cryptography;Namespace Vavic{/// /// Security summary./// Public class Security{Const string KEY_64 = "VavicApp ";Const string IV_64 = "VavicApp"; // note that it is 8 characters long and

Public static bool IsExist (string uri){HttpWebRequest req = null;HttpWebResponse res = null;Try{Req = (HttpWebRequest) WebRequest. Create (uri );Req. Method = "HEAD ";Req. Time out = 100;Res = (HttpWebResponse) req. GetResponse ();Return (res.

Asp tutorial. net mssql Stored Procedure output parameter call Simplest syntax Create proc pAsSelect * from tb Concepts, advantages, and syntax of SQL stored procedures Before learning the program process, let's first understand what a stored