loading data into a database

Ngày tải lên: 23/03/2014, 00:20

... Site ! Retrieving Data from a Database ! Lab 1.1: Retrieving Data from a Database ! Demonstration: Creating a Details Results Page ! Lab 1.2: Creating a Details Results Page ! Review Data- driven Web ... display data on Web pages and create a Web database application. In order to use the information in a database on your pages, you need to create a database connection. FrontPage helps you establish ... the database to the current Web and establishing a connection with a database by using the Database Results Wizard. The procedure for displaying data from a database by specifying the rows and...

Ngày tải lên: 11/12/2013, 14:15

Ngày tải lên: 21/12/2013, 19:15

Ngày tải lên: 21/12/2013, 19:15

Ngày tải lên: 24/12/2013, 05:15

... interop. While the data can be loaded into a DataSet in this way, there is no way to reconcile the changes made to the data in the DataSet with the data source underlying the ADO object. This ... DataTable dt = new DataTable("Orders"); (new OleDbDataAdapter( )).Fill(dt, rs); conn.Close( ); // Bind the default view of the dt to the grid. dataGrid.DataSource = dt.DefaultView; ... dt.DefaultView; Discussion One of the overloads of the OLE DB .NET DataAdapter.Fill( ) method accepts an ADO Recordset or Record object. The COM component that returns an ADO Recordset or Record object...

Ngày tải lên: 14/12/2013, 18:16

Ngày tải lên: 23/03/2014, 12:20

... Fatema Hasan Mahatma Gandhi Mission’s Medical College, Aurangabad, Maharastra, India, 431003  Correspondence to: Hunaid Hasan or Tasneem Fatema Hasan, “Ezzi Manzil”, CTS No. 3910, Near Bombay Mercantile ... 3910, Near Bombay Mercantile Bank, Beside Amodi Complex, City Chowk, Juna Bazaar, Aurangabad, Maharashtra, India 431001. Email: hunaidhasan@hotmail.com or zainabhasan52@hotmail.com. Phone: +91-240-234-8673/ ... Medicine, Mahatma Gandhi Mission’s Medical College) • Dr. Ashfaque Ansari (Lecturer, Ear Nose Throat, Mahatma Gandhi Mission’s Medical College) • Ms. Maria Boulanger (Manager, Regulatory Op- erations,...

Ngày tải lên: 26/10/2012, 09:57

Ngày tải lên: 20/08/2013, 15:08

... string expression. Add the DataColumn to the parent DataTable. Generate a DataTable from a DataView Create the original DataTable. Create a new DataView instance, passing the DataTable object to ... the DataRowView instance. Creating a DataView To create a DataView from a DataTable, pass the table to the DataView constructor. C# DataView someView = new DataView(someTable); Visual Basic Dim ... } Dwonloaded from: iDATA.ws Chapter 6 Turning Data into Information 99 To overcome these issues, ADO.NET includes the DataView class. As with the DataTable class, each DataView exposes a set of DataRow...

Ngày tải lên: 03/10/2013, 00:20

... // Sample data that might come from a database // displayed according to culture set by user. dateLabel.Text = DateTime.Now.ToString("D"); shortDateLabel.Text = DateTime.Now.ToString("d"); ... variables, and constants using System; using System.Threading; using System.Globalization; using System .Data; using System .Data. SqlClient; // This value would normally be retrieved from a ... client rather than the server. Solution Use client culture and encoding to return data to the client formatted according to the client's localization settings rather than the server's...

Ngày tải lên: 28/10/2013, 18:15

... required tasks: 1. Create a web page that outputs a binary stream containing the image from the database. 2. Create a SQL statement to retrieve the required image from the database and retrieve ... 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 web page ... the image using a DataReader. A DataTable or DataSet filled using a DataAdapter can also be used. 3. Set the ContentType property of the HttpResponse object to the MIME type of the image in...

Ngày tải lên: 28/10/2013, 18:15

... System .Data; using System .Data. SqlClient; private DataSet ds; private SqlDataAdapter da; private BindingManagerBase bm; // . . . private void DisplayDatabaseImageForm_Load(object ... 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 control with a MemoryStream. The sample code contains ... handlers: Form.Load Sets up the sample by filling a DataTable within a DataSet with the Employees table from the Northwind sample database. The EmployeeID, LastName, and FirstName fields are...

Ngày tải lên: 28/10/2013, 18:15

... Basic ApplicationASP Page Other Applications OLE DB ADO ODBC Simple Data Provider Mainframe Data Non Relational Data A database is a collection of data stored in a tabular form. A database ... Exercise 3 Accessing data from a database In this exercise, you will create an ASP file to access data from a database. ! Access data from a database 1. Open a new page. 2. Use the ... as a Web page that appears in their browser. Note that in this example, data is accessed from a database to display to the user. However, you can also write data to a database. Database- access...

Ngày tải lên: 05/11/2013, 12:15

... push changes made in a DataSet to the database in Chapter 11. You can drag a table from a SQL Server database onto your form and have the SqlConnection and SqlDataAdapter objects created in one ... create a DataSet object. You use a DataSet object to a store local copy of the information stored in the database. A DataSet object can represent database structures such as tables, rows, and ... with a DataGrid Next, you'll add a SqlConnection object and a SqlDataAdapter object to your form. Note You use a SqlConnection object to connect to a SQL Server database, and a SqlDataAdapter...

Ngày tải lên: 07/11/2013, 10:15

... Design Databases course description. Overview of Data Modeling and Database Design 8Ć9 Database Design Designing a relational database system involves converting a model into a workable software ... define basic types of data relationships. D Define a relational database and its components. D Read an entity relationship model. D Translate an entity relationship model into a relational database ... identifier. Third normal form (3NF) No non-UID attribute can be dependent upon another non-UID attribute. Overview of Data Modeling and Database Design 8Ć29 Designing the Database The database design stage produces...

Ngày tải lên: 10/12/2013, 17:15

... applications that are typically used in Internet applications, such as automatic registration of users, and creating and managing e-mail accounts. You can also install CDO for Exchange Management ... Transport Protocol (NNTP), and use standardized data- access formats, such as OLE DB and ActiveX ® Data Objects (ADO). By using CDO, you can build complete messaging, calendar, and contact ... from a Calendar folder are as follows: 1. Open the Calendar folder by using an ADO database (ADODB) record. 2. Open an ADODB Recordset containing the items in the Calendar folder. 3. Use a SELECT...

Ngày tải lên: 11/12/2013, 14:15

... 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 modify rows in the tables. You can drill ... 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 ... 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 on the table in the tree and...

Ngày tải lên: 14/12/2013, 13:15

... it again. The DataSet in this case is referred to as a disconnected DataSet as it doesn't maintain an active connection to the database. Disconnected DataSet objects act as a data cache ... time. Instead, a better approach is to connect to the database, fetch the data into a DataSet object, and then disconnect again. The user can browse the data in the DataSet and make any changes ... in applications. You can modify the data in the DataSet, and later reopen the connection and send the changes back to the database. You can manually open a connection to a database by creating...

Ngày tải lên: 15/12/2013, 00:15

... Overview of Data Modeling and Database Design 8 Overview of Data Modeling and Database Design 8Ć5 Overview When you create a database, you need to carefully consider its components. For assistance with ... qualifies an entity. Relationship A named association between entities showing optionality or degree. Overview of Data Modeling and Database Design 8Ć29 Designing the Database The database design stage ... process and relational database concepts, and define normalization. You also translate an entity relationship model into a relational database design. At the end of this lesson, you should be able...

Ngày tải lên: 21/12/2013, 06:17