connecting to a microsoft access database with asp net c

... Team LiB ] [ Team LiB ] Recipe 1.4 Connecting to a Secured Access Database Problem You want to connect to a Microsoft Access database that has been secured with user-level security and ... database. The sample code contains a single event handler: Connect Button.Click Creates and opens a connection to a Microsoft Access database secured with user- level security and a workgroup ... 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 path and filename of...

Ngày tải lên: 24/12/2013, 05:15

... DB provider to access Microsoft Excel as a data source. The Jet database engine can access other database file formats through Indexed Sequential Access Method (ISAM) drivers specified in the ... fill a DataSet using a DataAdapter or to create a DataReader. For example: SELECT * FROM [MySheet$] Update data The UPDATE command, either static or parameterized, can update data in a worksheet ... Team LiB ] Recipe 1.2 Connecting to 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, ...

Ngày tải lên: 14/12/2013, 18:16

... several provider-specific connection string attributes 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 ... access to the database and database objects. This is also known as share-level security. A password does not allow groups or 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 up a database password. The OLE DB provider for Microsoft Jet has several...

Ngày tải lên: 24/12/2013, 05:15

... 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 Connecting to 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 Data Engine ... ConfigurationSettings.AppSettings["Sql_Msde_ConnectString"]); Manager and Query Analyzer are also shared. The System.Data.SqlClient class cannot automatically discover the port number of a named instance of SQL Server...

Ngày tải lên: 14/12/2013, 18:16

Ngày tải lên: 31/03/2014, 16:20

... included, and you can use .NET 2.0, 3.0, or 3.5, as well as regular View- State and store temporary states. ASP. NET Cache can be used to cache widget data. This approach is far better than what you ... know about widgets, which are called Web Parts in SharePoint and ASP. NET 2.0. Specifically, an Ajax-powered web portal is a web portal that uses Ajax technologies to create richer experiences ... all of the tabs are on the same ASP. NET page. So, when you click on a tab, it’s a regular ASP. NET asynchronous postback to the ASP. NET page. Now you are loading the widgets on the new tab, not on...

Ngày tải lên: 15/11/2012, 14:24

... a language such as C+ + or Visual Basic. When added to a web page, it provides a specific piece of client-side functionality, such as a bar chart, timer, client authentication, or database access. ... but it can do graphics and perform network and threading functions. Javascript is much easier to learn than Java. It is designed to create small, efficient, applications that can do many things, ... want our users to be able to view our ASP. NET source code, so we would usually leave this checkbox unchecked for any directory that contains ASP. NET pages. By default, all directories created...

Ngày tải lên: 06/11/2013, 00:15

... Opening and closing a database connection is a relatively time-consuming process. For this reason, ADO .NET automatically stores database connections in a pool. Connection pooling offers a great ... object to connect to the // database, passing the connection string to the constructor SqlConnection mySqlConnection = Using a SqlConnection Object to Connect to a SQL Server Database You ... Opening and Closing a Database Connection Once you've created your Connection object and set its ConnectionString property to the appropriate details for your database connection, you can open...

Ngày tải lên: 07/11/2013, 10:15

... the Connection and reopen it. Closed The Connection is closed. Connecting The Connection is establishing access to the database. Executing The Connection is running a command. Fetching The Connection ... StateChange event of the mySqlConnection object: // open mySqlConnection mySqlConnection.Open(); // create a SqlCommand object SqlCommand mySqlCommand = mySqlConnection.CreateCommand(); ... StateChangeEventArgs class. The following example defines a method named StateChangeHandler to handle the StateChange event. You'll notice that the second parameter to this method is a StateChangeEventArgs...

Ngày tải lên: 14/12/2013, 13:15

... provider can read records from and insert records into a text file data source. The Jet database engine can access other database file formats through Indexed Sequential Access Method (ISAM) drivers ... 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. The sample code creates an OleDbDataAdapter that uses the ... System.Data; using System.Data.OleDb; // . . . // Create the data adapter to retrieve all rows from text file. The MaxScanRows option indicates how many rows should be scanned to automatically...

Ngày tải lên: 24/12/2013, 05:15

... { CreateAccessDatabase(fileName); MessageBox.Show(" ;Microsoft Access database " + fileName + " created.", "Create Access Database& quot;, MessageBoxButtons.OK, ... handler and a single method: Button.Click Allows the user to specify the filename for the new Access database and then calls the CreateAccessDatabase( ) method in the sample to create the database. ... [ Team LiB ] Recipe 10.6 Creating a New Access Database Problem You need to create a new Microsoft Access database. Solution Use ActiveX Database Objects Extensions (ADOX) from .NET through...

Ngày tải lên: 24/12/2013, 05:15

Ngày tải lên: 21/01/2014, 11:20

Ngày tải lên: 18/02/2014, 13:20

Ngày tải lên: 22/06/2014, 22:20

Ngày tải lên: 03/07/2014, 16:08

Ngày tải lên: 09/08/2014, 01:21

Ngày tải lên: 24/10/2014, 10:51

... here is a common ADO .NET interface similar to our example earlier in this chapter. We start with connecting to our RealWorld database and gathered data from the SalesAnalysis table. After that, ... PM Page 185 Table 5-4. Report Characteristics Characteristics Value R eport title S ales Profit Analysis Company title A1 Financial Services Inc. Print date Yes Data source SalesAnalysis C olumns ... of NetIncome class. As y ou can see, it is creating a generic collection of NetIncome objects. Data for each country is loaded with details for all three columns ( Country, CurrentYear, and LastYear)....

Ngày tải lên: 05/10/2013, 08:48

... access to information about a loaded class, and provide a way to invoke security checks. It also includes classes that encapsulate exceptions, and other helpful functionality such as data access, ... System.Data.SQL namespace to read data from a SQL Server database. The root namespace for the .NET Framework is the System namespace. Data ADO .NET is the next generation of ActiveX Data Object (ADO) ... in detail. After discussing the main features of ASP, ask students to compare it with ASP and come up with a comprehensive list of differences between ASP and ASP. NET. ASP ASP .NET .asp files...

Ngày tải lên: 23/10/2013, 00:15