connecting to a microsoft access database with asp net

... 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

... Create a SQL SELECT statement referencing a worksheet or a range in an Excel workbook and execute the statement to fill a DataSet using a DataAdapter or to create a DataReader. For example: ... INSERT INTO [MySheet$] (Field1, Field2, Field3) VALUES ('testdata', 1.234, '09/28/1979'); Retrieve data Use either a DataAdapter or a DataReader to retrieve data from an Excel ... 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 Extended Properties attribute...

Ngày tải lên: 14/12/2013, 18:16

... result.ToString( ); } Discussion A Microsoft Access database password requires that users enter a password to obtain access to the database and database objects. This is also known as share-level ... 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 the password. This ... 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...

Ngày tải lên: 24/12/2013, 05:15

... 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 listening on a port other than ... [ 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 ... 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...

Ngày tải lên: 14/12/2013, 18:16

Ngày tải lên: 31/03/2014, 16:20

... Widget. User UserSetting Pages Widget instances Widget Inherits hashas has Building a Web 2.0 Portal with ASP. NET 3.5 Praise for Building a Web 2.0 Portal with ASP. NET 3.5 “Omar and his collaborators have applied their awesome talents ... Widgets | 17 Update Panels UpdatePanel s allow you to update any part of the Start page asynchronously and give any web site an Ajax look-and-feel. However, UpdatePanel s are a significant drag on the page. ... 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

... Getting Started With ASP. NET 11 What is a Web Server? A web server is a piece of software that manages web pages and makes them available to 'client' browsers – via a local network ... <applet> tags that are used to add Java applets to a web page. These tags tell the browser to download a Java file from a server and execute it with the Java Virtual Machine built into the browser. ... permissions to Scripts Only means that users can also access any script-based pages, such as ASP. NET pages. So if the user requests an ASP. NET page that's contained in this directory, the...

Ngày tải lên: 06/11/2013, 00:15

... reason, ADO .NET automatically stores database connections in a pool. Connection pooling offers a great performance improvement because you don't have to wait for a brand new connection to the ... database to be established when there's a suitable connection already available. When you close a connection, that connection isn't actually closed; instead, your connection is marked ... System.Data; using System.Data.SqlClient; class ConnectionPooling { public static void Main() { // create a SqlConnection object to connect to the database, // setting max pool size to...

Ngày tải lên: 07/11/2013, 10:15

... 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 ... request to the database; two examples of states are open and closed. You use the Connection object's State property to get the current state of the connection to the database. The State property ... SqlConnection("server=localhost ;database= Northwind;uid=sa;pwd=sa"); // monitor the StateChange event using the StateChangeHandler() method mySqlConnection.StateChange += new StateChangeEventHandler(StateChangeHandler);...

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 ... provider to access data in a text file. The sample code creates an OleDbDataAdapter that uses the Jet OLE DB provider to load the contents of the text file Categories.txt, shown in Example 1-13 , ... 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 of 0 indicates that all rows...

Ngày tải lên: 24/12/2013, 05:15

... 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. CreateAccessDatabase( ... [ 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 ... ADOX through COM interop to create the new Access database having the specified filename. The C# code is shown in Example 10-6 . Example 10-6. File: CreateAccessDatabaseForm.cs // Namespaces,...

Ngày tải lên: 24/12/2013, 05:15

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Ngày tải lên: 24/10/2014, 10:51

... postback trips to the server makes it popular among many developers. You can learn more on ASP. NET AJAX here: http://ajax .asp. net/ . An ASP. NET web site needs Internet Information Services (IIS) as ... D efault.aspx page after adding the controls Step 1: Creating the D ata Tables As this is two reports in one project, we need two separate data tables: we need one data table to store data related ... We start with connecting to our RealWorld database and gathered data from the SalesAnalysis table. After that, we bind the data to the reporting engine. Building the Project The process to build...

Ngày tải lên: 05/10/2013, 08:48

... about the main features of ASP. NET, and learn how to add server-side script to an ASP. NET page. 4 Module 1: Working with ASP. NET BETA MATERIALS FOR MICROSOFT CERTIFIED TRAINER PREPARATION ... features 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 ... EventArgs) txtName.Value = 'value from database End Sub Sub Page_Load(s As Object, e As EventArgs) txtName.Value = 'value from database End Sub Sub Page_Unload(s As Object, e As EventArgs) MyApp.LogPageComplete() End...

Ngày tải lên: 23/10/2013, 00:15