... translates JDBC calls into the network protocols that are used by SQL databases. To work with other databases, you need to install the database server and the JDBC driver. Connecting to DatabasesYou ... represents a connection to a database. You need to set up a separate connection to each database on your database server that you want to use. You can use the database connection node to do the following:■Check ... connected.■Open or close a connection to the database by right-clicking the node and choosing Connect or Disconnect. Chapter 7 Connectingto Databases 63CHAPTER7 Connecting to DatabasesThis section...
... is best to change it to no. Also, anyOS X clients connectingto the FreeNAS via NFS willissue a few warnings about needing usernames andpasswords. When Map all users to root is set to no,this ... a new directory within the current remotedirectory. Chapter 4. Connectingto the FreeNASThe strength of the FreeNAS server is that so manydifferent operating systems can connect to it and ... needs to be set to 8.If you are unsure what the value of the netmask is,then go to Interfaces: LAN and see the IP Addressfield. You need to set the drop down box in theServices: NFS page to...
... is configured to prevent users of the web site from viewing the contents of the web.configfile—this is the default configuration. Other ways to impersonate a user from an ASP ... requires permissions to access the share that contains the database file and folders. The user account must be recognized by the Access computer. For a domain user account, add it to the permissions ... permission to access the computer in the local security policy. These permissions are assigned within the Security Settings \Local Policies\User Rights Assignment node in the Local Security Policy tool....
... it? One way would be to pay your ISP to do it for you. Youdon’tneed to do that: it’seasy enough to do yourself on the World-Wide Web.You mustbe connected to the Internet to perform these steps. ... yourself to that country.Ifyou move to, say,Holland, you would have to change to dunham.nl—a situation only fractionally better than being bound to an ISP.The same considerations apply to dunham.tx.us,ofcourse.Your ... 4711@flybynight.net,and Flybynight goesbroke, or you decide to change to a different ISP,your mail address is gone, and you have to explain that to everybody who might want to contact you. If, on the other hand,...
... 1.2 Connectingto a Microsoft Excel Workbook Problem You want to access data stored in a Microsoft Excel workbook. Solution Use the OLE DB Jet provider to create, access, and modify data stored ... the default view of the table is bound to a data grid on the form. Update Button.Click Uses the DataAdapter created in the Form.Load event handler to update the Excel workbook with the programmatic ... data You can use the INSERT command, either static or parameterized, to insert data into a worksheet or range: INSERT INTO [MySheet$] (Field1, Field2, Field3) VALUES ('testdata',...
... need to understand what a SQL Server or MSDE named instance is and how to connect to one. The sample code contains a single event handler: Connect Button.Click Creates and opens a connection to ... [ Team LiB ] Recipe 1.7 Connectingto a Named Instance of SQL Server or Microsoft Data Engine (MSDE) Problem You want to connect to a named instance of a SQL Server or Microsoft ... cannot automatically discover the port number of a named instance of SQL Server listening on a port other than the default 1433. To connect to a named instance of SQL Server listening on a custom...
... id=username;password=password Connecting to Access and Oracle Databases In this section you'll see examples of connectingto both an Access and an Oracle database. To interact with either of ... allows you to connect to a database over a network. You'll need to speak with your DBA to get the Oracle Net service name. ã username Specifies the name of the database user you want to connect ... the previous line of code) to the constructor: OleDbConnection myOleDbConnection = new 01eDbConnection(connectionString); Listing 1.2 illustrates how to connect to the Northwind Access database...
... users to have distinct levels of access or permissions. Anyone with the password has unrestricted access to the database. The Set Database command from the Tools Security menu is used to set ... } resultTextBox.Text = result.ToString( ); } Discussion A Microsoft Access database password requires that users enter a password to obtain access to the database and database objects. ... in addition to those defined by ADO.NET. To open a database secured by a Microsoft Access database password, use the Jet OLEDB:Database Password attribute in the connection string to specify...
... [ Team LiB ] [ Team LiB ] Recipe 1.4 Connectingto a Secured Access Database Problem You want to connect to a Microsoft Access database that has been secured with user-level ... in addition to those defined by ADO.NET. To open a database secured by Microsoft Access user-level security, use the Jet OLEDB:System Database attribute in the connection string to specify the ... the connection string to specify the path and filename of the workgroup information file or system database. The sample code contains a single event handler: Connect Button.Click Creates and...
... Team LiB ] Recipe 1.19 Connectingto a Text File Problem You want to use ADO.NET to access data stored in a text file. Solution Use the OLE DB Jet provider to access data in a text file. ... // . . . // Create the data adapter to retrieve all rows from text file. The MaxScanRows option indicates how many rows should be scanned to automatically determine column type. A value ... default view of the table to the grid. categoriesDataGrid.DataSource = dt.DefaultView; Discussion The Jet OLE DB provider can read records from and insert records into a text file data source....
... Recipe 1.1 Connectingto an ODBC Data Source Problem You want to access your data source using an ODBC provider from your .NET application. Solution Use the ODBC .NET data provider to access ... Connect Button.Click Creates an OdbcDataAdapter and uses it to fill a DataTable with the Category table from the Northwind sample database. The default view of the table is bound to a data ... System.Configuration; using System.Data; using System.Data.Odbc; // . . . private void connectButton_Click(object sender, System.EventArgs e) { // Create the DataAdapter. String sqlSelect...
... (ADDRESS_LIST = [ Team LiB ] Recipe 1.9 Connectingto an Oracle Database Problem You want to connect to an Oracle database. Solution You can connect to an Oracle database using either the ... TNSNAMES.ORA Oracle uses a configuration file named TNSNAMES.ORA to locate the Oracle database and determine how to connect to it based on the Data Source or Database attribute in the connection ... "ConnectionState = " + conn.State; } } private void oleDbButton_Click(object sender, System.EventArgs e) { // Connect to Oracle using OLE DB .NET data provider. OleDbConnection conn...
... Recipe 1.10 Connectingto Exchange or Outlook Problem You want to use ADO.NET to extract data from Microsoft Outlook or Microsoft Exchange. Solution Use the OLE DB Jet provider to access Exchange ... Displays a form that allows the user to specify the mailbox name and mail profile to connect to. Connect Button.Click Creates and opens a connection to Outlook or Exchange data using the ... Identifier of Outlook 9.0, the path to store temporary system tables. With an Identifier of Exchange 4.0, the path and filename to a Microsoft Access database in which to store temporary system tables....
... Connectingto SQL Server Using Integrated Security from ASP.NET Problem You want to coordinate Windows security accounts between an ASP.NET application and SQL Server. Solution Connect to ... Connect to SQL Server from ASP.NET using Windows Authentication in SQL Server. Discussion Connecting to a SQL Server database provides two different authentication modes: Windows Authentication ... users are on the same domain so that their credentials are available to IIS. The following areas of the application need to be configured: ã Configure the ASP.NET application so that Integrated...
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