connecting to a mysql database using asp net

... 10:47 AM Page 239 226 CHAPTER 10 ■ BUILDING A SAMPLE APPLICATION USING ASP. NET AJAX Figure 10-1. An ASP. NET AJAX-based stock application Understanding the Application Architecture The application ... creating a new ASP. NET AJAX-enabled web site. Create the basic lay- out of the application along with the corresponding TabContainer and TabPanel controls from the ASP. NET AJAX Control Toolkit. ... 17–23 ASP. NET AJAX. See also ASP. NET AJAX client libraries architecture, 25–29 Extensions, 28–29 JSON, 28 Microsoft AJAX Library, 26–27 financial research application, 225–256 application architecture,...

Ngày tải lên: 05/10/2013, 10:20

... 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

... 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 ... 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 file using ... 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 ... 1-2 . Example 1-2. File: ExcelForm.cs // Namespaces, Variables, and Constants using System; using System.Configuration; using System.Data; private OleDbDataAdapter da; private DataTable...

Ngày tải lên: 14/12/2013, 18:16

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

Ngày tải lên: 14/12/2013, 18:16

... 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 ... Namespaces, variables, and constants using System; using System.Configuration; using System.Windows.Forms; using System.Data; using System.Data.OleDb; // . . . // Create the data adapter ... 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

... to an Oracle database. Solution You can connect to an Oracle database using either the Oracle .NET data provider or the OLE DB .NET data provider. The sample code contains two event handlers: ... Oracle Button.Click Creates and opens a connection to an Oracle database using the Oracle .NET data provider. Information about the database is displayed from the properties of the OracleConnection ... .NET data provider should be used primarily as a bridge from applications that already use ODBC. Use a native Oracle .NET data provider where practical. TNSNAMES.ORA Oracle uses a configuration...

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Ngày tải lên: 02/07/2014, 00:20

... so that their credentials are available to IIS. The following areas of the application need to be configured: • Configure the ASP. NET application so that Integrated Windows Authentication ... [ Team LiB ] Recipe 1.8 Connecting to SQL Server Using Integrated Security from ASP. NET Problem You want to coordinate Windows security accounts between an ASP. NET application and SQL ... 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...

Ngày tải lên: 24/12/2013, 05:15

Ngày tải lên: 20/08/2013, 15:08

... 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 ... 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 System.Data.SqlClient; ... 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...

Ngày tải lên: 07/11/2013, 10:15

... computers. For a user account local to the IIS computer, create a duplicate account on the Access computer with the same name and password. Grant the user account Log on Locally and Access this ... 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 ... that the TEMP and TMP environment variables are properly configured. Configure the Access server On the Access computer, the user account that is used to access the database requires Read,...

Ngày tải lên: 07/11/2013, 13:15

... free to experiment with the Server Explorer-that's the best way to learn. Once you've connected to the database, you can view things such as the tables. You can also retrieve and ... clicking the Show Diagram button in the toolbar and selecting columns from the table, as shown in Figure 3.29 . As you can see, I've selected the ContactName, CompanyName, and CustomerID columns ... tables. You can drill down to the tables in the database by clicking the Add icon in the tree in Server Explorer, and you can retrieve the rows from a table by clicking the right mouse button...

Ngày tải lên: 14/12/2013, 13:15

... SqlConnection("server=localhost ;database= Northwind;uid=sa;pwd=sa"); // monitor the StateChange event using the StateChangeHandler() method mySqlConnection.StateChange += new StateChangeEventHandler(StateChangeHandler); ... 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 ... /* StateChange.cs illustrates how to use the StateChange event */ using System; using System.Data; using System.Data.SqlClient; class StateChange { // define the StateChangeHandler()...

Ngày tải lên: 14/12/2013, 13:15

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