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When a new window is opened for download, You need to close it after download.One is effective for small files:System. Io. fileinfo file = new system. Io. fileinfo ("f :\\ MP3 \ MP3 \ do not cry my most loved ones ");Response. Clear ();Response.

Today, a friend from csdn sent a text message asking me how to write a file into an image. After learning C #, I wrote another tool like this. For example, the company cannot carry the source code; it can carry images; the only thing to do is to

Method 1:  Static bool isnumeric (string Str) { If (STR = NULL | Str. Length = 0) Return false; Foreach (char C in Str) { If (! Char. isnumber (c )) { Return false; } } Return true; }   Method 2:Private bool isnumeric (string S) { Char ch0 = '0

Use the net use command to copy files on a remote machine.For example, to copy the file of machine B to machine A through machine A, you need to add the user permission of machine A to the machine B folder. Public static bool Ping (string remotehost)

  Using system;Using system. Collections. Generic;Using system. text; Namespace ABC. Factory{Public class bllfactory{/// /// Create an instance/// /// /// /// Public static t createinstant (string typename){T ret = default (t );Try{String dd =

I did not say anything. I got it from the Internet, Reference from: http://aliketen.cnblogs.com/articles/363650.html The Code is as follows:Private void Export (system. Web. UI. webcontrols. DataGrid DG, string filename, string

As needed, I want to map a database file to a memory ing file. After the ing, I will get the first address of the ing file, Code As follows: Void cmdbdlg: onmapfile () { // Open File Hfile =: createfile ("E: \ table1.dbf", generic_read |

Asp.net determines whether the input text is a numberSolution 1:/** // /// Name: isnumberic/// Function: determines whether the input is a number./// Parameter: String otext: Source Text/// Return value: bool true: false: No/// Public bool

Library. Function Persist Security info indicates whether to save the password after the database connection is successful Typeof (string) = string. GetType () to obtain a type DT. acceptchanges (); Submit changes The timespan time

// Default key vector Private   Static   Byte [] Keys = { 0x12 , 0x34 , 0x56 , 0x78 , 0x90 , 0xab , 0xcd , 0xef }; ///   /// DES encrypted string ///   ///   String

Using system;Using system. IO;Using system. diagnostics; Public static bool Ping (string remotehost){Bool flag = false;Process proc = new process ();Try{Proc. startinfo. filename = "cmd.exe ";Proc. startinfo. useshellexecute = false;Proc. startinfo.

Normal File Download: Code Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->   ///   /// Output the file to the browser ///   ///   Page. Request ///   Page. Response

Recently I checked the method of remote database backup on the Internet, which seems quite troublesome. However, this module must be added to the project, so only one module can be created. Finally, two solutions are summarized: The first solution

Because work requires us to generate encryption in php and then decrypt the Password accepted in asp.net. Below I find a reversible encryption algorithm that can be shared by PHP and asp.net C, for more information, see. Php Encryption Algorithm

I recently worked on a c # winform project and encountered a problem in determining whether the network is connected normally. Later, we found the following methods for your reference.1. method 1Using System;Using System. Collections. Generic;Using

[Csharp]/// /// Set the startup of the program/// Or cancel startup/// /// enable or disable startup. /// name of the program in the registry /// path of the Startup Program /// enabled or disabled Public static bool runWhenStart (bool started,

Data access layer (Development Process implementation code) Posted By vasair at 11:18:00 In application design, database access is very important. We usually need to centralize database access to ensure good encapsulation and

A friend at the front-end time needs to send some pictures to me, all of which are big pictures. Considering the speed limit, I don't know what tools to use. Write a small tool for capturing and compressing pictures for entertainment.1. By

// Default key vector private static byte [] Keys = {0x12, 0x34, 0x56, 0x78, 0x90, 0xAB, 0xCD, 0xEF }; ////// DES encrypted string //////String to be encrypted///Encryption key, which must be 8 bits/// The encrypted string is returned

Copy codeThe Code is as follows: string t = DateTime. Now. Ticks. ToString (); T = cipher ey. DESEncrypt (t, cipher ey. Cipher eystr );String [] strid = new string [t. Length]; //For (int I = 0; I {Strid [I] = t. Substring (I, 1 );}String s =