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(" not occupied! "); 29} Method 2: FileStream 1 public static bool IsFileInUse (string fileName) 2 {3 bool inUse = true; 4 5 FileStream fs = null; 6 try 7 {8 9 fs = new FileStream (fileName, FileMode. open, FileAccess. read, 10 11 FileShare. none); 12 13 inUse = false; 14} 15 catch 16 {17} 18 finally 19 {20 if (fs! = Null) 21 22 fs. Close (); 23} 24 return inUse; // true indicates that it is in use, false indicates that 25 is not used} Project code section (

Detailed usage of Web. config in ASP. NET configuration file, asp. netweb. config This article describes the usage of the ASP. NET configuration file Web. config for your reference. The specific analysis is as follows: 1. Understand the Web. config file Web. config is an XML

The configuration file, for the program itself, is the foundation and the basis, its essence is an XML file, for configuration file operations, starting from. NET 2.0, is very convenient, providing System [. WEB]. Configuration the namespace of this management function, to use it, you need to add a reference to System.

?! This is not the name of the resource? Try the following code:Assembly A = assembly. getexecutingassembly ();// Bitmap B = new Bitmap (A. getmanifestresourcestream ("csharpresources.clock01.bmp "));// Picturebox1.image = B;String [] resourcenames = A. getmanifestresourcenames ();Foreach (string name in resourcesnames){Console. writeline (name );} Run it. In the output box of the debugging environment, you can see: The original resource name is csharpresources.res.clock01.bmp !, Modify the Cod

First, we can see that in both 1.1 and 2.0, each aspx file of the website created with VS corresponds to a cs file (or other language such as vb ). the class in the cs file is generally the same as the file name. If you encounter a keyword, it will automatically add '_' befo

1. Understand the Web. config file Web. config is an XML text file used to store ASP. NET Web application configuration information (for example, the most common settings ASP. NET Web application authentication method), which can appear in every directory of the application. After you create a Web application using

1. Understand the Web. config file The Web. config file is an XML text file used to store ASP. NET web applications. Program Configuration information (for example, the most common setting of ASP. NET web application authentication method), it can appear in every directory

ASP. NET 2.0 small experience in uploading multiple files To upload any number of files, click the button to add a file upload box, which was previously viewed on the network hard disk. Javascript: I know how to add any file upload control. The problem is that the HTML control is added. I don't know how to get files from the server. So Google searched for "ASP.

1. Understand the Web. config fileWeb. config is an XML text file used to store ASP. NET Web application configuration information (for example, the most common settings ASP. NET Web application authentication method), which can appear in every directory of the application. After you create a Web application using VB.

1. Understand the Web. config fileThe Web. config file is an XML text file used to store configuration information of ASP. NET Web applications (for example, the most common setting of ASP. NET Web application identity) Authentication method), which can appear in every directory of the application. After you create a W

Start an associated application open a special file Zlyperson (original) The original is C #, I changed it to VB. But not in time to test. If you find any problems, please tell them. This short article shows how to start an application associated with a particular file to open a special file without having to know the

Start the associated application and open the special file zlyperson (original)The original Article is C #. I changed it to VB, but it was not ready for testing. If you find any problems, please let me know.This short article demonstrates how to start an application associated with a special file to open a special file

In. net, the file class and Directory class are the two most important classes. Understanding them will greatly facilitate the implementation of subsequent functions. System. Io. File and system. Io. fileinfo In the process of designing and implementing a "Network hard disk", a large amount of content related to file s

==/dissolve/70/gravity/ Center "style=" height:auto;vertical-align:middle;border:0px;margin:0px auto; "/>2.3. Renaming filesFor uploaded files We can modify their names, right-select the file that needs to modify the filename, select "Rename" as shown in:650) this.width=650; "Src=" http://img.blog.csdn.net/20170819110409496?watermark/2/text/ ahr0cdovl2jsb2cuy3nkbi5uzxqvy2hpbmfodxlvbmc=/font/5a6l5l2t/fontsize/400/fill/i0jbqkfcma==/dissolve/70/gravity/

ASP. NET file composition (reproduced in Owen's BLOG), asp. netowenI. Extension: Ii. Special folders: The aspnet website generally consists of files and folders. Aspx/cshtml: front-end page. The difference is that the compilation engine is different. The latter is introduced in ASP.net MVC3.. Dll: compiled assembly. Css: style sheet. Js: script file. Config: c

userdata property was assigned// A Pipe delimited string of role names.String [2] rolesRoles [0] = "one"Roles [1] = "two"// Create an identity objectFormsidentity id = new formsidentity (authticket );// This principal will flow throughout the request.Genericprincipal principal = new genericprincipal (ID, roles );// Attach the new principal object to the current httpcontext objectContext. User = principal;}Protected void application_error (Object sender, eventargs e ){Response. Write ("error enc

ASP. NET configuration file Web. config, asp. netweb. configI. Understand Web. config File Web. config is an XML text file used to store ASP. NET Web application configuration information (for example, the most common settings ASP. NET