net connection pool monitoring

,idisposable class. Because the DbConnection class is an abstract base class, it cannot be instantiated. The DbConnection class encapsulates a number of important methods and properties, and I'll cover several important methods and properties in detail below.2. Several methods that must be mastered open: ConnectionString . > Open the database connection using the settings specified by ConnectionString. dispose: Component . > release all

when the implementation of an access monitoring. This example is fully qualified for application development.ImprovedExample 3 above has already provided very good code, that can make some specification improvement. In fact, in the past experience is possible, first of all we understand. NET has two threads, one that we often use and the other is the IO thread. In fact, with some test tools you can see tha

Introduction to ADO. NET object Connection, Command, DataReader, DataAdapter, DataSet, and DataTable in Winform Development, The ADO. NET technology mainly includes six objects, including Connection, Command, DataReader, DataAdapter, DataSet, and able. The following describes these six objects:(1) The main function of

as an example) protected voidBtlogin_click (Objectsender, EventArgs e) {db db=NewDB (); stringstrUserName = This. Textusername. Text.trim ();//Gets the user name and password enteredstringstrpassword = This. Textpassword. Text.trim (); SqlDataReader Dr=db.redr ("SELECT * from UserInfo where username= '"+strusername+"' and password= '"+strpassword+"'");//Select Dr in the database. Read ();Dr Object read Data setif(Dr. HasRows) {session["username"] = Dr. GetValue (1); session["role"] = Dr.

)Note: This item is empty on the Oracle server side, otherwise the monitoring service cannot start, Plsql Developer Connection exception.(2) New ld_library_path:%oracle_home% (If Linux)(3) New tns_admin:%oracle_home% (here is the listening settings, should be the Tnsnames.ora directory, I set the G:\oracle\product\10.2.0\db_1\NETWORK\ADMIN, Of course, you can also copy the configured Tnsnames.ora files to t

- - //String conn = configurationmanager.appsettings["Con"]. ToString (); + + //SqlConnection SCT = new SqlConnection (conn); - - #endregion + + #regionConnect SQL function Three A A //String conn = configurationmanager.connectionstrings["Consql"]. ConnectionString; at at //SqlConnection SCT = new SqlConnection (conn); - - #endregion - -SqlCommand SCM =NewSqlCommand (); - -Scm.

Label:Debugging a student information management system today, after the start of the system, always error when logging on the case that there is a problem, take the error message to find ways to solve the problem, and finally suspect that the database configuration and configuration file mismatch, Found in their own database is not sqlexpress, but only my own computer name of one, The configuration file for the original linked database is like this, According to the circumstances of their own

connections supported by IIS 7In the Hkey_local_machine\system\currentcontrolset\services\http\parameters section, change the default number of connections to 5000 to 100000.In addition, for large concurrent processing of databases, see the following information:Http://msdn.microsoft.com/zh-cn/library/aa0416cz.aspxhttp://blog.csdn.net/fhzh520/article/details/7757830http://blog.csdn.net/truong/article/details/8929438Http://www.cnblogs.com/chuncn/archive/2009/04/21/1440233.htmlhttp://www.baidu.co