catch system

In previous Web applications, uploading files was a very troublesome task. Now, with. NET, File Upload becomes easy. The following example implements the Multifile upload function. You can dynamically add input forms. There is no limit on the number

We often encounter the problem of batch upload and upload all files in a directory to the server. So how can we solve such problems? Previously, the technology generally used ActiveX and other methods. Here I use SharpZlib to implement it. I heard

The final result is as follows:The core code is as follows:Code in aspx:Copy codeThe Code is as follows: Javascript is called to add or delete files. The Code is as follows:Copy codeThe Code is as follows: The background responds to the

Example: When you click the Button1 button, the data is inserted into the database.Copy codeThe Code is as follows:Using System;Using System. Collections. Generic;Using System. Linq;Using System. Web;Using System. Web. UI;Using System. Web. UI.

Copy codeThe Code is as follows:# Region upload files to databases and serversPublic void FN_UpFiles (){// Traverse the File form ElementHttpFileCollection files = HttpContext. Current. Request. Files;Try{For (int iFile = 0; iFile {// Check the file

I remember when I heard people say that the Administrator Login check in ASP. NET is all about using the stored procedure, so it won't create a universal password or "--" so that the user can log on to the background. At that time, it was easy to

Using system;Using system. Data;Using system. Data. sqlclient;Using Microsoft. Win32;Using system. reflection;Using system. IO;Using system. Web;Using system. Web. sessionstate;Using system. Web. UI;Using system. runtime. interopservices;Using

1. Create the Word template file person. Dot2. Create a web application and add Microsoft. Office. InterOP. Word reference.3. Related sample code======================================1. Create the Word template file person. DotUse bookmarks to mark

Aspx: Registration Border = "0"> Add a new user name email gender Date of Birth photo Aspx. CS:Using system;Using system. IO;Using system. collections;Using system. componentmodel;Using system. Data;Using system. Data. sqlclient;Using

It's a bit strange to bind oledbdataadapter to the DataGrid under winform: Let's take a look at it. I 've used it for one night and it's not easy to write. Sorry. Of course, with such a binding method, we can also inherit the DataGrid bound to

Using system;Using system. Windows. forms;Using system. xml;Using system. Globalization; Namespace treesample{/// /// Summary description for treefunctions./// Public class treefunctions{Public treefunctions (){// Add constructor logic

1. Create a call project and a class project to be tested. First, design the test class and function, and compile and generate the corresponding class name. dll file. Copy it to the bin directory of the calling project.   2. Create a winform in the

Before performing the join operation, check that the database can be connected. Try{// Use oledb to connect to the database and the SYS. Basic information tableIworkspacefactory pworkspacefactory = new oledbworkspacefactory ();Ipropertyset ppropset

// Display the image saved in SQL Server in picturePrivate void listbox1_selectedindexchanged (Object sender, system. eventargs E){Byte [] buffbyte = NULL;String comm = @ "select IMG from Table1 where id =" + this. listbox1.selectedvalue;This.

For program programming in Vista/win7, we usually pay attention to two issues: "Does my program really have administrator permissions ?", "How does my program implement permission switching ?".These two problems have been bothering me for a long

MSMQ can improve applications in Distributed Processing Program Stable and concurrent performance. The following is a simple MSMQ class used in the project. Generally, during data synchronization, you can use MSMQ to implement a synchronization

Address: http://www.cnblogs.com/ILoveSleep/archive/2013/06/11/3132085.html   WCF is a good thing! It is easy to use, has powerful functions, and has a large scalability. However, there is also a flaw in the concept of WCF: How can I close the

Fileup. ASPX page 1 2 3 4 5 Multifile upload 6 13 14 15 16 17 multi-File Upload 18 19 20 21 22 23 24 25 26 width = "500px" borderstyle = "NONE" bordercolor = "white"> 27     //************************************** ************************

Code Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/--> Protected   Void Button#click ( Object Sender, eventargs E){ Int Startindex = 1 ; Int Pagesize =

/**/ /**/ /**/ ///   /// Generate a thumbnail ///   ///   Source image path (physical path) ///   Thumbnail path (physical path) ///   Thumbnail width ///   Thumbnail height ///   How to