... Listing 7.1: MYSQLCONNECTION.CS /* MySqlConnection.cs illustrates howto use a SqlConnection object toconnectto a SQLServerdatabase */ using System; using System.Data; using ... " ;server= localhost ;database= Northwind;uid=sa;pwd=sa"; // create a SqlConnection object toconnectto the // database, passing the connection string to the constructor SqlConnection mySqlConnection ... mySqlConnection = Using a SqlConnection Object toConnectto a SQLServerDatabase You create a SqlConnection object using the SqlConnection() constructor. This constructor is overloaded, meaning that...
... Closed The Connection is closed. Connecting The Connection is establishing access to the database. Executing The Connection is running a command. Fetching The Connection is retrieving information ... Closed to Open Calling mySqlConnection.Close() mySqlConnection State has changed from Open to Closed The InfoMessage Event The InfoMessage event fires when the database returns a warning or information ... produce information and error messages using the SQLServer PRINT or RAISERROR statements, which are described in Chapter 4, "Introduction to Transact- SQL Programming." The following InfoMessageHandler()...
... using System.Text; using System.IO; [ Team LiB ] Recipe 8.11 Using a Single Stored Procedure to Update Multiple Changes to a SQL Server Database Problem You need to update a SQLServer ... updateButton_Click(object sender, System.EventArgs e) { StringBuilder sb; StringWriter sw; // Create a connection and command for the update stored procedure. SqlConnection conn = new SqlConnection( ... SqlConnection conn = new SqlConnection( ConfigurationSettings.AppSettings[" ;Sql_ ConnectString"]); SqlCommand cmd = new SqlCommand( ); cmd.Connection = conn; ...
... existing ASP. NET pagesusing partial-page updates.This chapter gave you a high-level overview of the main ASP. NET AJAX server controlsand how they work. There is another group of ASP. NET AJAX server ... this functionality,dissecting them to understand how you can program similar applications of your own in ASP. NET AJAX.CHAPTER 5 ■INTRODUCING SERVER CONTROLS IN ASP. NET AJAX108828-8 CH05.qxd ... packaged in the Futures CTP builds of ASP. NET AJAX,which should surface in future releases of ASP. NET AJAX.Using ASP. NET AJAX server controls is the easiest and quickest path to implementingAJAX...
... introduced you to the ASP. NET AJAX server controls and showed you howto use them. In this chapter, you’ll look at two small ASP. NET AJAX applications and dissect them to see how they work. In ... Tasks with three fields as shown in Figure 6.10.CHAPTER 6 ■USING SERVER CONTROLS IN ASP. NET AJAX 125828-8 CH06.qxd 9/28/07 4:46 PM Page 125Using Server Controls in ASP. NET AJAXThis chapter ... reusing your existing skills in ASP. NET and lowers the learning curve drastically.CHAPTER 6 ■USING SERVER CONTROLS IN ASP. NET AJAX 129828-8 CH06.qxd 9/28/07 4:46 PM Page 129Figure 6-5. Editing...
... Specifying Locking Hints in a SQLServerDatabase Problem You need to pessimistically lock rows in an underlying SQLServer database. Solution Use SQLServer locking hints from ADO .NET. The sample ... that can be used to monitor lock activity. For more information about database locks, using locking hints, or monitoring database locks, see Microsoft SQLServer Books Online. [ Team LiB ] ... managed internally by database software. A locking hint can be specified with SELECT, INSERT, DELETE, and UPDATE statements to instruct SQLServer as to the type of lock to use. You can use locking...
... managed internally by database software. A locking hint can be specified with SELECT, INSERT, DELETE, and UPDATE statements to instruct SQLServer as to the type of lock to use. You can use locking ... • The SQLServer Profiler can be used to monitor and record locking information. • The Windows Performance Monitor has a SQLServer Locks Object counter that can be used to monitor lock ... For more information about database locks, using locking hints, or monitoring database locks, see Microsoft SQLServer Books Online. [ Team LiB ] SERIALIZABLE Use the same locking as a...
... System™ XT Server. Database sql file Microsoft SQLServer opn_mssql .sql My SQL opn_mysql .sql Oracle opn_oracle .sql How to create a Microsoft SQLServerdatabase for the OPN System™ XT Server? ... Connecting to MySQL database When you connectto the MySQL database using the Aqua Data Studio, you need to enter the required information in the screen shown below: Name: OPNMySQL ... / database is created via the opn_mysql .sql script) How to create a Microsoft SQLServerdatabase for the OPN System™ XT Server? 2 2. Open the opn_mssql .sql file in a text editor....
... trong SQLServer ta có các loại Integer như : tinyint, smallint, int, bigint. Trong đó kích thước từng loại tương ứng là 1,2,4,8 bytes. Nghĩa là loại smallint tương đương với Integer và loại int ... (SQL) Server nào đó là ta nói đến một Instance của SQLServer 2000, thông thường đó là Default Instance. Một Instance của SQLServer 2000 có 4 system databases và một hay nhiều user database. ... Một SQLServer Database Hầu như mọi thứ trong SQLServer được tổ chức thành những objects ví dụ như tables, views, stored procedures, indexes, constraints Những system objects trong SQL Server...
... trong SQLServer ta có các loại Integer như : tinyint, smallint,int, bigint. Trong đó kích thước từng loại tương ứng là 1,2,4,8 bytes. Nghĩa là loạismallint tương đương với Integer và loại int ... ta nói đến một Instance của SQL Server 2000, thông thường đó là Default Instance. Một Instance của SQLServer 2000có 4 system databases và một hay nhiều user database. Các system databases bao ... một user database được tạo ra thì SQLServer sẽ copy to n bộ cácsystem objects (tables, stored procedures ) từ Model database sang database mới vừa tạo. • Msdb : Database này được SQL Server...
... After connecting to the server, the DetachDB method is called. Then the GetSQLDatabases routine is called to refresh the database list. Listing 7.27 frmHowTo7_5.vb: Detaching a SQLServerDatabase ... LoadSQLServers(Me.lstSQLServers) End Sub 6. On the lstSQLServers list box, add the code in Listing 7.25 to the SelectedIndexChanged event. This routine toggles the btnDetach button, depending ... LoadSQLServers routine, check out step 4 in that How- To. Listing 7.24 frmHowTo7_5.vb: Calling the Routine That Loads Available SQL Servers into a List Box Private Sub frmHowTo7_5_Load(ByVal sender As System.Object,...
... Creating a New SQLServerDatabase Problem You need to create a new databasein your SQL Server. Solution Use the CREATE DATABASE statement. The sample code executes the DDL statement—using ... object to create a new database named MyDatabase inSQL Server. The C# code is shown in Example 10-7. Example 10-7. File: CreateServerDatabaseForm.cs // Namespaces, variables, and constants using ... CREATE DATABASE statement, the DROP DATABASE statement, or DDL, see Microsoft SQLServer Books Online. The solution for Oracle databases and other databases is similar to that shown for SQL Server...
... make a database useful. to create a new database, it does give you an idea of where you can see various databases in your system. Now you will learn howto create a databasein VS .NET. 1. ... Create Database dialog box from within the Server Explorer in two ways. The first way is to right-click on the Data Connections node and choose Create New SQLServer Database. The second way is to ... right-click on the SQL Server instance to which you want to add the database- in this case, SHADRACH2-and then choose New Database. Although both methods open the Create Database dialog box,...
... examination of the LoadSQLServers routine, check out step 4 in that How- To. Listing 7.8 frmHowTo7_2.vb: Calling the Routine That Loads Available SQL Servers into a List Box Private Sub frmHowTo7_2_Load(ByVal ... Dim oDevice As SQLDMO.BackupDevice ' Log on to the SQL Server. Dim osvr As SQLDMO.SQLServer = New SQLDMO.SQLServer() osvr.LoginSecure = True osvr .Connect( strSQLServer) lstBackupDevices.Items.Clear() ... ' Create a connection to the server Dim osvr As New SQLDMO.SQLServer() osvr.LoginSecure = True button to have information about the backup displayed in the text box at the bottom of the...