catch system

Alter proc [DBO]. [p_page] (@ Tablename varchar (8000), -- required@ Selectfields varchar (8000) = '*',@ Andwhere varchar (4000), -- only write conditions such as and 1 = 1 without where@ Orderbyfields varchar (100), -- must use row_number () over

  This article introduces the P2P programming method and implementation mechanism under C # through a program. Although this program in this article is not very useful, it intuitively provides some basic knowledge and concepts of P2P (point-to-point)

Sqlconnection Cs;Cs = new sqlconnection (m_strconnectionstring );Sqltransaction dbtransaction = NULL;String p_strreturnmessage = "";Int p_export utput = 0; Try{# Region populate ParametersSystem. Data. sqlclient. sqlparameter [] arparams = new

# Region traversal XML file call method xmlfileallnodes (server. mappath ("treeout. xml "),"") /// /// Add the temporary level of the topic /// Int xmlfileallnodescloumnlvtemp = 0; /// /// Temporary ID of the added topic/// Int

Complete Project (source code): http://download.csdn.net/detail/zhujinghao09/5313666 Program functions: Server: PC Language C # Button to enable serversocket Private void btnstartserver_click (Object sender, eventargs e) {string strip = tbip. text; /

Upload. aspx ================ Multifile upload Multifile upload Width = "500px" borderstyle = "NONE" bordercolor = "white"> ============================== Upload. aspx. CS ======================== Using system;Using system. Data;Using system.

I wrote a mail sending class: Public class sendmail{Private Static string m_username;Private Static string m_password;Private Static string m_hostname; Static string returnmsg = ""; Public static void newmailserver (string user, string PWD, string

Some parameters need to be saved to files during system creation, The format is as follows:   Username = Tom; sex = male; age = 50;   It is troublesome to get the username value. I wrote a method myself. Put these values in dictionary, and all

Method 1: Front-end code:  Code Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/--> { %>">     Background code:  Code Code highlighting produced by Actipro CodeHighlighter

String straa = ReadFile (file. FullName, FileAccess. Read, FileShare. None );   Private string ReadFile (string strFilePath, FileAccess fileAccess, FileShare fileShare){Try{FileStream fs = new FileStream (strFilePath, FileMode. Open, fileAccess,

SqlConnection // connection string SqlCommand // the object for executing SQL commands SqlDataReader // read records from the database Note that you must disable DataReader even if you disable SqlConnection. Otherwise, an error will occur when you

For the image uploading in the food module, I mainly added the upload Image Display Section. Here, I separated the image uploading from the information storage. I mainly used the label control and added two labels, A button is used for uploading, an

/// /// Execute multiple SQL statements to implement database transactions./// sql2000 database/// Multiple SQL statements Public static void ExecuteSqlTran (List SQLStringList){Using (SqlConnection conn = new SqlConnection (SqlHelper. ConString )

Recently, three-party State synchronization is required for projects, that is, PDM, CAD, and instant messaging tools, because these tools are not developed in one language. So how to do this is troublesome. The database-based monitoring is

Protected void button#click (object sender, EventArgs e) ...{ System. Net. Mail. MailMessage message = new System. Net. Mail. MailMessage (); // Recipient Message. To. Add (txtMailAddress. Text ); // CC Foreach (string mailAddress in txtCopyAddress.

      // Save the Image to the Image field of SQL Server Private void button2_Click_1 (object sender, System. EventArgs e) { String pathName; If (this. openFileDialog1.ShowDialog () = System. Windows. Forms. DialogResult. OK) { PathName = this.

Create an SQL Server database 1. Create a Visual C #. Net windows application. 2. Place a button on form1. Change the name attribute of the button to btncreatedatabase, and the text attribute to create database. 3. Use the using statement for the

Methods for reading XML documents: Using system;Using system. xml; Namespace readxml{Class class1{Static void main (string [] ARGs){// Create an xmltextreader Class Object and call the read method to read the objectXmltextreader textreader = new

::: i7land multi-File Upload program with no components: multi-File Upload to ensure the security of servers and websites, upload is prohibited. com or. DLL file, but allows you to upload any GIF, JPG, SwF, ASP, aspx, htm, HTML, JS, CSS, and

Basic WebServices knowledge 1. supplement related to survival Under normal circumstances, the server creates a new WebService object each time WebMethod is called, even if the client uses the same proxy object to call WebMethod multiple times. Once