connecting to a database in asp net using c

Connecting to an Access Databasefrom ASP.NET

... folder containing the database files. The user account requires permissions to access the share that contains the database file and folders. The user account must be recognized by the Access computer. ... a domain user account, add it to the permissions list on both computers. For a user account local to the IIS computer, create a duplicate account on the Access computer with the same name and ... and password. Grant the user account Log on Locally and Access this Computer from the Network permission to access the computer in the local security policy. These permissions are assigned...

4-Tier Architecture in ASP.NET with C#

Danh mục: Kỹ thuật lập trình

... to work with. Next step is to create Data Access Layer. Data Access Layer [DAL - PersonDAL.cs]The way you created BO folder inside App_Code folder, create another folder named DAL. Create a ... We will create a separate pages to insert these records (default.aspx) into database and list,update,delete records (list.aspx) from database. In this application we will have following 4-Tiers ... Access Layer. Business Access Layer [BAL - PersonBAL.cs] Again, right click App_Code folder and add a new folder named BAL. Create a new class file inside it and name it as PersonBAL.cs. Write...

Using Server Controls in ASP.NET AJAX

Danh mục: Kỹ thuật lập trình

... fast changing data, for instance, a page thatdisplays the major financial indices in the U.S. capital markets: Dow Jones Industrial Aver-age (DJIA), NASDAQ, and S&P500. One approach is to ... application is to showcase a good scenario for using ASP. NET AJAX server controls and not to build a practical market data reporting application. As such, the initial values for the three indices ... larger andmore sophisticated apps that need logical and physical separation of the data tier thathas complex data objects and a data access layer.SummaryThe ToDo List application is an excellent...

Module 5: Using Trace in ASP.NET Pages

Danh mục: Chứng chỉ quốc tế

... http://localhost/myapplication/trace.axd to access the trace statistics for that application. Topic Objective To explain how application-level trace works. Lead -in In addition to exposing a generalized trace facility ... Topic Objective To introduce the lab. Lead -in In this lab, you will enable and disable tracing for an ASP. NET page. You will also add custom trace messages to an ASP. NET page and a ... topic on how to trace into a component. When talking about tracing into a component, tell them about why it is useful to be able to trace into a component. ! Application-Level Trace ASP. NET...

Tài liệu Connecting to a Password-Protected Access Database ppt

Danh mục: Kỹ thuật lập trình

... 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 ... obtain 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 ... 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...

Tài liệu Connecting to a Secured Access Database pptx

Danh mục: Kỹ thuật lập trình

... 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...

Introducing Server Controls in ASP.NET AJAX

Danh mục: Kỹ thuật lập trình

... PublicKeyToken=31bf3856ad364e35"validate="false"/></httpHandlers>Programming with the ScriptManagerAs a core component of ASP. NET AJAX, the ScriptManagercontrol has much functionality,including the capability to communicate with ASP. NET authentication ... server controls that are available to ASP. NET AJAX programmers. It walked you through using the ScriptManagercontrol, which is at theheart of ASP. NET AJAX. This control takes care of managing ... controls are packaged in the Futures CTP builds of ASP. NET AJAX,which should surface in future releases of ASP. NET AJAX. Using ASP. NET AJAX server controls is the easiest and quickest path to...

Displaying an Image from a Database in a Web Forms Control

Danh mục: Quản trị mạng

... need to display an image from a database column in an ASP. NET control. Solution Fill an ASP. NET Image control from a database field by pointing the ImageUrl property of an Image control to a ... retrieve the required image from the database and retrieve the image using a DataReader. A DataTable or DataSet filled using a DataAdapter can also be used. 3. Set the ContentType property of ... Discussion Rendering an image from a database in a Web Forms Image control is easy to do, but not straightforward. Fortunately, it is much simpler with ASP. NET than it was in ASP. Two web pages...

Displaying an Image from a Database in a Windows Forms Control

Danh mục: Quản trị mạng

... within the data source, such as a row in a DataTable. The BindingContext class is used to instantiate a BindingManagerBase object and either a CurrencyManager or PropertyManager object is returned ... returned depending on the type of data source: • The CurrencyManager class inherits from the BindingManagerBase class and maintains a pointer for the current item in a data source that implements ... Database in a Windows Forms Control Problem You need to display an image from a database in a Windows Forms control. Solution Read the image into a byte array and load it directly into a PictureBox...

Tài liệu Connecting to a Microsoft Excel Workbook ppt

Danh mục: Kỹ thuật lập trình

... 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 ... 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 Extended ... either a DataAdapter or a DataReader to retrieve data from an Excel workbook. Create a SQL SELECT statement referencing a worksheet or a range in an Excel workbook and execute the statement to...

Tài liệu Connecting to a Named Instance of SQL Server or Microsoft Data Engine (MSDE) docx

Danh mục: Kỹ thuật lập trình

... 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 ... File: ConnectNamedInstanceForm.cs // Namespaces, variables, and constants using System; using System.Configuration; using System.Windows.Forms; using System.Text; using System.Data.SqlClient;...

Tài liệu Connecting to a Text File pptx

Danh mục: Kỹ thuật lập trình

... 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 ... many rows should be scanned to automatically determine column type. A value of 0 indicates that all rows should be scanned. The ColN entries specify the name, width, and data type for each column....