using ado to access data

Module 4: Using ADO to Access XML Data

Ngày tải lên : 22/10/2013, 16:15

... Module 4: Using ADO to Access XML Data Using ADO to Retrieve Data Topic Objective To describe scenarios where ADO can be used to retrieve XML data ADO Lead-in ADO is the standard data access API ... Using ADO to Access XML Data 31 Best Practices Topic Objective To identify best practices for using ADO to retrieve XML data Lead-in Keep in mind the following best practices when using ADO to ... 22 Module 4: Using ADO to Access XML Data Using ADO and XML on an ASP-Based Web Site Topic Objective To introduce the topics in this section Lead-in ADO can be used to retrieve XML data for a Web...

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Module 3: Using ADO.NET to Access Data

Ngày tải lên : 27/10/2013, 07:15

... Module 3: Using ADO. NET to Access Data Using DataViews Topic Objective To explain the role of DataViews in accessing data from a database by using DataSets Lead-in To access data from a DataSet, ... ONLY 10 Module 3: Using ADO. NET to Access Data Connecting to a Data Source Topic Objective To describe how to connect to a data source by using ADO. NET Lead-in Connecting to a data source is the ... 12 Module 3: Using ADO. NET to Access Data # Accessing Data With DataSets Topic Objective To introduce the topics included in the section ! Using DataSets to Read Data Lead-in ! Storing Multiple...

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Module 5: Using HTTP to Access XML Data

Ngày tải lên : 04/11/2013, 13:15

... “virtual root” both refer to an IIS virtual directory 2 Module 5: Using HTTP to Access XML Data Enabling HTTP Access to SQL Databases Topic Objective To introduce the topics in this section Lead-in ... 5: Using HTTP to Access XML Data Web sites Many Web sites are used primarily to publish data Allowing access to a SQL Server database through a virtual directory makes it possible to publish data ... 2000 data sources You will also learn how to use a Uniform Resource Locator (URL) query to test a virtual directory Module 5: Using HTTP to Access XML Data Publishing SQL Server Data over HTTP Topic...

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Tài liệu Module 9: Using XML to Exchange Data pptx

Ngày tải lên : 21/12/2013, 19:15

... intended to contain data Their presence is sufficient to convey meaning, as shown in the following example: 10 Module 9: Using XML to Exchange Data The ... observed when using XML to exchange data ix THIS PAGE INTENTIONALLY LEFT BLANK Module 9: Using XML to Exchange Data # Overview ! Introduction to XML ! Validating XML Documents ! Using the Document ... the following example: to this syntax > Module 9: Using XML to Exchange Data XML Syntax (continued) ! Attributes ...

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Tài liệu Using XPath to Query Data in a DataSet doc

Ngày tải lên : 26/01/2014, 10:20

... the topics "Guidelines for Using XPath Queries" and "Using XPath Queries." In NET, the DataSet is synchronized with the XmlDataDocument As a result, in some cases XML services can be used to access ... access the XmlDataDocument to perform certain functionality more conveniently than could be accomplished using the DataSet directly To execute an XPath query against the contents of a DataSet, call ... DataSet ds; // private void XPathQueryForm_Load(object sender, System.EventArgs e) { ds = new DataSet("Orders_OrderDetails"); SqlDataAdapter da; // Fill the Order table and add it to the DataSet...

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Using a DataGrid Control to Access a Database

Ngày tải lên : 07/11/2013, 10:15

... Close button to close the Data Adapter Preview dialog box Next, you need to create a DataSet object You use a DataSet object to a store local copy of the information stored in the database A DataSet ... your DataSet to be displayed in your DataGrid To set the DataSource property, you perform the following steps: Click your DataGrid object and set the DataSource property to dataSet11.Customers ... DataSet object named dataSet11 to your form Next, you'll need to set the DataSource property of your DataGrid to your DataSet object This sets the source of the data for your DataGrid, allowing...

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Using LINQ to DataSet

Ngày tải lên : 03/10/2013, 00:20

... alternatives to LINQ to DataSet LINQ to Entities, discussed in Chapter 19, Using LINQ to Entities,” can process external data without the need to load full tables into memory Querying with LINQ to DataSet: ... LINQ to DataSet, using ADO. NET DataTable objects in LINQ queries is identical to using standard collection objects The first step involves converting a data table to its enumerable equivalent using ... valid data before you make the query When dealing Chapter 18 Using LINQ to DataSet 309 with data from external sources, you must bring any data you plan to include in a LINQ query into the...

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Connecting to an Access Databasefrom ASP.NET

Ngày tải lên : 07/11/2013, 13:15

... configured Configure the Access server On the Access computer, the user account that is used to access the database requires Read, Write, Execute, and Change permissions on the database file The user ... 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 ... article Q248187 The Microsoft Jet engine uses the TEMP folder on the IIS computer that is accessing the Access database The user identity requires NTFS (Windows NT File System) fullcontrol permissions...

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Tài liệu Module 3: Accessing Exchange 2000 Data by Using ADO 2.5 doc

Ngày tải lên : 11/12/2013, 14:15

... Exchange 2000 Data by Using ADO 2.5 # Using ADO 2.5 to Access Exchange 2000 Data Topic Objective To list the topics related to using ADO 2.5 to access Exchange 2000 data ! Standard ADO 2.5 Objects ... Data by Using ADO 2.5 21 # Using SQL Queries to Access Exchange 2000 Data Topic Objective To list the topics related to using SQL queries to access Exchange 2000 data Lead-in The Web Storage System ... strm.WriteText txtOrder Module 3: Accessing Exchange 2000 Data by Using ADO 2.5 15 # Building URLs to Access Resources Topic Objective To list the topics related to building URLs to access resources ! Using...

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Tài liệu Using Transaction Isolation Levels to Protect Data doc

Ngày tải lên : 14/12/2013, 18:16

... with Orders DataTable dt = new DataTable( ); da.Fill(dt); // Bind the default view of the table to the grid dataGrid.DataSource = dt.DefaultView; cancelButton.Enabled = true; dataGrid.ReadOnly = ... SqlCommand(sqlText, conn, tran); // Create a DataAdapter to retrieve all Orders SqlDataAdapter da = new SqlDataAdapter(cmd); // Define a CommandBuilder for the DataAdapter SqlCommandBuilder cb = new ... dataGrid.ReadOnly = false; } private void cancelButton_Click(object sender, System.EventArgs e) { cancelButton.Enabled = false; dataGrid.ReadOnly = true; // Roll back the transaction and close...

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Tài liệu Connecting to Access and Oracle Databases docx

Ngày tải lên : 24/12/2013, 01:17

... from an Access database Listing 1.2: OLEDBCONNECTIONACCESS.CS /* OleDbConnectionAccess.cs illustrates how to use an OleDbConnection object to connect to an Access database */ using System; using ... you to connect to a database over a network You'll need to speak with your DBA to get the Oracle Net service name username Specifies the name of the database user you want to connect to the database ... how to connect to the Northwind Access database using an OleDbConnection object and retrieve a row from the Customers table Notice that you use an OleDbCommand and OleDbDataReader object to run...

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Tài liệu Connecting to a Password-Protected Access Database ppt

Ngày tải lên : 24/12/2013, 05:15

... 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 the ... permissions Anyone with the password has unrestricted access to the database The Set Database command from the Tools database password Security menu is used to set up a The OLE DB provider for Microsoft ... enter a password to 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...

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Tài liệu Connecting to a Secured Access Database pptx

Ngày tải lên : 24/12/2013, 05:15

... attributes 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 ... addition to the database or MDB file This file contains the user and group information for the secured database while the actual permissions are stored in the database file When you connect to a ... secured Jet database, the user ID and password are validated [ Team LiB ] against the values in the MDW file The permissions are obtained from the MDB file To connect, the location of both the database...

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Tài liệu Using ADO.NET Databases docx

Ngày tải lên : 24/12/2013, 09:16

... you to select the data source and data provider to use The data source specifies the type of database you want to use, and the data provider specifies how you will connect to the database Some data ... new value automatically Understanding DataSets, DataTables, and TableAdapters The ADO. NET object model uses DataSets to cache data retrieved from a database An application that defines DataSet objects ... Windows account name to connect to the database, and is the recommended way to log on to SQL Server Select the Northwind database, and then click OK You are returned to the Data Source Configuration...

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