catch system

In winform, you sometimes need to open another application.ProgramOr files, such as opening a browser, opening a Word document, opening a folder, and printing a file. This article describes how to use C # To open a new process in winform to complete

The new delegate class is defined as follows: Public class delegateex{// Declare a delegatePublic Delegate void calculatedelegate (int32 X, int32 y ); // Delegate association method 1-implement addition-note that the values of return

Sendmail. aspx sendmail recipient: Display = "dynamic" forecolor = "black"> Validationexpression = "\ W + ([-+.] \ W +) * @ \ W + ([-.] \ W + )*\. \ W + ([-.] \ W +) * "forecolor =" black "> CC: BCC: topic: Display = "dynamic"

Using system;Using system. Collections. Generic;Using system. text;Using system. IO;Using system. directoryservices; Using icsharpcode. sharpziplib. Zip;Using icsharpcode. sharpziplib. gzip;Using icsharpcode. sharpziplib. checksums; Public class

  // Upload Protected void button#click (Object sender, eventargs E){If (fileupload1.hasfile){String filecontenttype = fileupload1.postedfile. contenttype;If (filecontenttype = "image/BMP" | filecontenttype = "image/GIF" | filecontenttype =

Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/--> ///   /// Download files ///   ///   Download address ///   ///   Download address ///  

Windows Phone 8 supports custom screen lock background images and Application Notification reminders at the bottom of the screen, this is a very eye-catching new feature. Although many applications have already made a feature, I am still here to

Address: http://www.csdn.com.cn/html/040531/200441448014540.html I needed to compress and decompress the file while working on the project, so I downloaded it from the http://www.icsharpcode.net.Source code for compression and decompression, but

How to handle exceptions As a developer, you should feel the advantages of constructing a structured exception handling mechanism through try, catch, and finally blocks .. The. NET Framework provides a large number of exception handling levels to

1 Stored Procedure: Create procedure c_pf_getrecordfrompage@ Tblname varchar (255), -- table name@ Fldname varchar (255), -- field name@ Pagesize Int = 10, -- page size@ Pageindex Int = 1, -- page number@ Iscount bit = 0, -- returns the total

In Asp.net, when an operation needs to be completed directly in the background, you can consider adding a general applicationProgram. It is easy to use, for example: 1'. First add a gridview1 and add a general handler named handler. ashx; 2. Add

In the past few days, I have to upload two identical images with different sizes. I used two controls to upload images separately; A colleague (zendic [http://www.z-endic.info/]) said it seems to be able to generate a small picture for a large

About the C # Chinese cut in e.net at a.m., Author: Forum Organizing responsibility Editor:> ghost The following is a reference clip:Using system;Using system. Collections. Generic;Using system. text; Using analyzer = Lucene. net.

/// /// Execute the SQL statement with a stored procedure parameter. /// /// SQL statement /// parameter content. For example, a field is in a complex format. Article With special symbols, you can add them in this way /// Number of affected

Started to think you want to build Windowsidentity = windowsidentity. getcurrent (); Genericprincipal = new genericprincipal (genericidentity, roles ); Set httpcontext. Current. User to the one constructed above. However, an error occurred while

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

You need to upload multiple files in the project. The uploaded files are stored on the disk files and the file-related information is stored in the database. The final result is as follows:   The core code is as follows: Code in aspx:

In the past, it was not easy to obtain Chinese Characters in pinyin. Many practices were to use the gb2312 code to obtain Chinese Characters in pinyin order, but there were few gb2312 character sets, many Chinese characters in the more comprehensive

During the AE development process, some objects must be temporarily stored, such as element, layer, map, and symbol. arcengine provides methods for serializing objects to save this information. All serializable objects support the ipersiststream

/*************************************** ****************** * Function: Use the C # program to call the Windows Notepad program for editing.* A text file named test.txt.** In the entire program, system. Diagnostics. process. Start (Info)* Is a