how to connect sql server database in vb net 2010

... Listing 7.1: MYSQLCONNECTION.CS /* MySqlConnection.cs illustrates how to use a SqlConnection object to connect to a SQL Server database */ using System; using System.Data; using ... " ;server= localhost ;database= Northwind;uid=sa;pwd=sa"; // create a SqlConnection object to connect to the // database, passing the connection string to the constructor SqlConnection mySqlConnection ... mySqlConnection = Using a SqlConnection Object to Connect to a SQL Server Database You create a SqlConnection object using the SqlConnection() constructor. This constructor is overloaded, meaning that...

Ngày tải lên: 07/11/2013, 10:15

... 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 SQL Server PRINT or RAISERROR statements, which are described in Chapter 4 , "Introduction to Transact- SQL Programming." The following InfoMessageHandler()...

Ngày tải lên: 14/12/2013, 13:15

... 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 SQL Server ... 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; ...

Ngày tải lên: 21/01/2014, 11:20

Ngày tải lên: 29/03/2014, 16:20

Ngày tải lên: 03/11/2014, 15:41

Ngày tải lên: 29/04/2014, 14:45

... Specifying Locking Hints in a SQL Server Database Problem You need to pessimistically lock rows in an underlying SQL Server database. Solution Use SQL Server 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 SQL Server Books Online. [ Team LiB ] ... managed internally by database software. A locking hint can be specified with SELECT, INSERT, DELETE, and UPDATE statements to instruct SQL Server as to the type of lock to use. You can use locking...

Ngày tải lên: 17/10/2013, 20:15

... managed internally by database software. A locking hint can be specified with SELECT, INSERT, DELETE, and UPDATE statements to instruct SQL Server as to the type of lock to use. You can use locking ... ã The SQL Server Profiler can be used to monitor and record locking information. ã The Windows Performance Monitor has a SQL Server 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 SQL Server Books Online. [ Team LiB ] SERIALIZABLE Use the same locking as a...

Ngày tải lên: 14/12/2013, 18:16

... System™ XT Server. Database sql file Microsoft SQL Server opn_mssql .sql My SQL opn_mysql .sql Oracle opn_oracle .sql How to create a Microsoft SQL Server database for the OPN System™ XT Server? ... Connecting to MySQL database When you connect to 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 SQL Server database for the OPN System™ XT Server? 2 2. Open the opn_mssql .sql file in a text editor....

Ngày tải lên: 20/12/2013, 23:15

... trong SQL Server 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 ... một (SQL) Server nào đó là ta nói đến một Instance của SQL Server 2000, thông thường đó là Default Instance. Một Instance của SQL Server 2000 có 4 system databases và mt hay nhiu user database. ... Một SQL Server Database Hầu như mọi thứ trong SQL Server được tổ chức thành những objects ví dụ như tables, views, stored procedures, indexes, constraints Những system objects trong SQL Server...

Ngày tải lên: 25/08/2012, 09:00

... một user database được tạo ra thì SQL Server sẽ copy to n bộ các system objects (tables, stored procedures ) từ Model database sang database mi va to. ã Msdb : Database này được SQL Server Agent ... trong SQL Server 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 ... Implement a SQL Server Database 3.1. Cấu Trúc Của SQL Server Như đã trình bày ở các bài trước một trong những đặc điểm của SQL Server 2000 là Multiple-Instance nên khi nói đến một (SQL) Server nào...

Ngày tải lên: 06/10/2013, 17:20

Ngày tải lên: 11/12/2013, 23:51

... leads salespeople to act pushy (for example, pressing a customer to "act now" in order to get a low price) or to be too accommodating (appealing to a customer’s interest in getting his or ... customer satisfaction increased from 80% to 88% ● Professional manner increased from 81% to 96% ● Ability to understand customer needs increased from 79% to 90% ©TRAINIQUE LTD AND THINK TRAINING ... sufficient time to enable their investment in training and development to "pay off." Introducing ongoing reinforcement programs will help accelerate the benefits gained from the training and...

Ngày tải lên: 20/12/2013, 19:15

... 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 SQL Server Database ... 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, ... depending on whether a SQL Server and database has been selected. It then calls GetSQLDatabases, described in step 6 of How- To 7.1. Listing 7.25 frmHowTo7_5 .vb: Populating the lstDatabases List Boxes...

Ngày tải lên: 24/12/2013, 06:17

... Creating a New SQL Server Database Problem You need to create a new database in 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 in SQL 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 SQL Server Books Online. The solution for Oracle databases and other databases is similar to that shown for SQL Server...

Ngày tải lên: 21/01/2014, 11:20

... 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 how to create a database in 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 SQL Server 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,...

Ngày tải lên: 21/01/2014, 12:20

... 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...

Ngày tải lên: 21/01/2014, 12:20

... from a SQL Server Database Problem You need to programmatically define constraints in a DataSet and retrieve constraint information defined in a SQL Server database. Solution Use the INFORMATION_SCHEMA ... SqlDataAdapter(GETFOREIGNKEYCONSTRAINTS, ConfigurationSettings.AppSettings[" ;Sql_ ConnectString"]); else if (checkRadioButton.Checked) da = new SqlDataAdapter(GETCHECKCONSTRAINTS, ConfigurationSettings.AppSettings[" ;Sql_ ConnectString"]); ... still available. The INFORMATION_SCHEMA views conform to the SQL- 92 Standard. Information schema views are defined within each database in a schema named INFORMATION_SCHEMA. To access the views,...

Ngày tải lên: 26/01/2014, 10:20

... examination of the LoadSQLServers routine, check out step 4 in How- To 7.1. Listing 7.14 frmHowTo7_3 .vb: Calling the Routine That Loads Available SQL Servers into a List Box Private Sub frmHowTo7_3_Load(ByVal ... found in the SQLDMO.SQLDMO_RESTORE_TYPE namespace and are SQLDMORestore _Database, SQLDMORestore_Files, SQLDMORestore_Log. Database This property allows you to specify the database name to restore ... Restore a SQL Server Database Sometimes the user needs to restore a database, and again, it is nice if he doesn't have to go to Enterprise Manager to accomplish this task. This How- To...

Ngày tải lên: 26/01/2014, 11:20

Ngày tải lên: 06/03/2014, 23:21