creating a distributed database application using datasetdata

... controls that work with data in a database and build a user interface You’ll display the database in a grid and add a few commands and a navigation bar Creating the grid and navigation bar To create ... added to make it work Creating a CLX database application 11 Displaying a title and an image Displaying a title and an image You can add a company title and an image to make your application look ... application Other database applications have a similar architecture The user interface includes data-aware controls such as a grid so that users can edit and post data to the database The data access...

Ngày tải lên: 16/04/2014, 11:16

... basic database application uses a dataset to access information from the database In dbExpress applications, you use a unidirectional dataset A unidirectional dataset reads data from the database ... 12 an image to an application 12 an Update Now button to an application 11 unidirectional dataset component applying edits to database 11 database applications accessing to overview database sample, ... to make it work Creating a database application using the Delphi IDE 11 Displaying a title and an image Displaying a title and an image You can add a company title and an image to make your application...

Ngày tải lên: 16/04/2014, 11:13

... mechanism takes care of marshaling and unmarshaling parameter objects using object serialization RMI and object serialization are tightly integrated into the Java framework and extend Java features ... create break plan add breaks open break plan assign teacher to break unassign teacher print break plan look at statistics [another action] [last action] close break plan Figure 4: Activity Diagram ... sequence diagram can be seen as a trace of the activity diagram's state machine 14 plan editor : Plan Editor system start break planner application present break statistics window present break plan...

Ngày tải lên: 19/04/2014, 17:02

... graphical applications—for example, the TextBox, Label, and Button classes o The namespace Visual Studio 2005 has used the name of the project as the name of the toplevel namespace: namespace ... you, as I will now demonstrate In a Windows Forms application, Visual Studio 2005 actually generates a potentially large amount of code This code performs operations such as creating and displaying ... the application /// [STAThread] static void Main() { Application. EnableVisualStyles(); Application. Run(new Form1()); } } } You can ignore most of this code However, the key statement...

Ngày tải lên: 24/12/2013, 09:16

... V $DATABASE • Database guard level is set to ALL by broker automatically on the logical standby database • Database guard level applies to all users except SYS 7-5 Copyright © 2006, Oracle All ... reserved Preparing to Create a Logical Standby Database Perform the following steps on the primary database before creating a logical standby database: Check for unsupported data types Be aware of ... Database with Enterprise Manager Click “Add Standby Database. ” - 17 Copyright © 2006, Oracle All rights reserved Using the Add Standby Database Wizard Select “Create a new logical standby database. ”...

Ngày tải lên: 09/12/2013, 16:15

... example, if you wanted to access a database, you would open the database connection in the Page_Load() method The OnInit() and InitializeComponent() methods are placed within #region and #endregion ... sun.\n" + "Arise, fair sun, and kill the envious moon,\n" + "Who is already sick and pale with grief,\n" + "That thou her maid art far more fair than she"; Note If you're a Shakespeare fan, you'll recognize ... AutoEventWireUp attribute indicates whether the ASP.NET framework automatically calls the Page_Init() and Page_Load() event handler methods These methods are defined in the WebForm1.aspx.cs; you'll learn...

Ngày tải lên: 21/01/2014, 07:20

... 14 // 15 InitializeComponent(); 16 17 // call the Fill() method of sqlDataAdapter1 18 // to populate dataSet11 with a DataTable named 19 // Customers 20 sqlDataAdapter1.Fill(dataSet11, "Customers"); ... data stored in dataView1 to dataGrid1 and allows dataGrid1 to access any data stored in dataView1 Figure 13.2: Setting the Properties of dataGrid1 Select View ➣ Code and set the Form1() ... "Customers"); 21 } Compile and run your form by pressing Ctrl+F5 Figure 13.3 shows the running form Notice that the information in the form comes from the DataView you created Figure 13.3: The running...

Ngày tải lên: 20/08/2013, 16:48

... 10:47 AM Page 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 ... history, and Bollinger band analytic charts Let’s start by creating a new ASP.NET AJAX-enabled web site Create the basic layout of the application along with the corresponding TabContainer and TabPanel ... financial research application, 225–256 application architecture, 226–228 applying ASP.NET AJAX, 253–255 charts and analytics pane, 241–253 analytics graph, 249–253 TabPanel, 248–249 ZedGraph...

Ngày tải lên: 05/10/2013, 10:20

... for a password, enter class If “class” does not work, ask the instructor for assistance Router>enable At the privileged EXEC mode, enter the command erase startup-config Router#erase startup-config ... type of router as well as how many interfaces the router has There is no way to effectively list all of the combinations of configurations for each router class What is provided are the identifiers ... ISDN BRI interface The string in parenthesis is the legal abbreviation that can be used in IOS command to represent the interface 4-4 CCNA 2: Routers and Routing Basics v 3.0 - Lab 4.1.4 Copyright...

Ngày tải lên: 04/11/2013, 16:15

... Select command for the modaLookupData data adapter The data table called dtData is then filled and set as the data source for dgTableData Listing 8.10 frmHowTo8_2.vb: Populating the DataGrid Control ... Update the data adapter and data table to reflect the new data, ' and reassign the data source of the data grid modaLookupData = New OleDb.OleDbDataAdapter("Select * From " & Me.lstLookupTables.Text, ... the data grid ' saves a bunch of hassles trying to track the data table directly dtFromGrid = CType(dgTableData.DataSource, DataTable) ' Commands necessary to actually post back to server modaLookupData.Update(dtFromGrid)...

Ngày tải lên: 14/12/2013, 20:16

... Access database " + fileName + " created.", "Create Access Database" , MessageBoxButtons.OK, MessageBoxIcon.Information); } catch (System.Exception ex) { MessageBox.Show("Could not create database ... @"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + fileName + ";"; // Use ADOX to create the Access database ADOX.Catalog cat = new ADOX.Catalog( ); try { cat.Create(connectString); } finally { cat = null; } } Discussion ADO ... the objects in a database You can use ADOX from NET through COM interop to create a new Microsoft Access database Use the Create( ) method of the ADOX.Catalog object, passing a connection string...

Ngày tải lên: 24/12/2013, 05:15

... CustomerID, CompanyName, and ContactName columns using Query Builder, as shown in Figure 8.3 Figure 8.3: Adding the CustomerID, CompanyName, and ContactName columns to the query using Query Builder ... CompanyName, and ContactName columns from the Customers table You'll construct this SELECT statement using Query Builder To get started, click the ellipsis button to the right of the CommandText ... continue The CommandText property of your SqlCommand object is then set to the SELECT statement you created in Query Builder Note Save your MyDataReader project by selecting File ➣ Save All You'll...

Ngày tải lên: 21/01/2014, 07:20

... security reasons, not enable the Allow Saving Password check box If you did, your password would be stored in the actual code, and anyone could get your password from the code Leave Allow Saving Password ... the SQL Server Northwind database is set to data source=localhost;initial catalog=Northwind;persist security info=False; user id=sa;pwd=sa;workstation id=JMPRICE-DT1;packet size=4096 Note The ... Entering the advanced connection details You can also click the All tab to view and edit all the values for the connection, as shown in Figure 7.5 To edit a value, you click Edit Value Figure...

Ngày tải lên: 21/01/2014, 07:20

... This link allows you to re-enter the Wizard to configure your DataAdapter Generate Dataset This link allows you to generate a DataSet object using the information set for your DataAdapter You'll ... UPDATE, and DELETE statements along with the table mappings Figure 10.12 shows the final dialog box for the Data Adapter Configuration Wizard Figure 10.12: Final dialog box for the Data Adapter ... for the sqlDataAdapter1 object When you're ready, select File ➣ Save All Note Don't bother running your project yet because you'll add a DataSet that will be populated using your DataAdapter in...

Ngày tải lên: 21/01/2014, 07:20

... sqlDataAdapter1.Fill(dataSet11, "Products"); sqlConnection1.Close(); System.Data.DataTable myDataTable = dataSet11.Tables["Products"]; foreach (System.Data.DataRow myDataRow in myDataTable.Rows) ... DataSet object in the tray Your next step is to set the Form1_Load() method of your form as follows: private void Form1_Load(object sender, System.EventArgs e) { sqlConnection1.Open(); sqlDataAdapter1.Fill(dataSet11, ... myDataTable.Rows) { listView1.Items.Add(myDataRow["ProductID"].ToString()); listView1.Items.Add(myDataRow["ProductName"].ToString()); listView1.Items.Add(myDataRow["UnitPrice"].ToString()); } }...

Ngày tải lên: 21/01/2014, 07:20

... 14 // 15 InitializeComponent(); 16 17 // call the Fill() method of sqlDataAdapter1 18 // to populate dataSet11 with a DataTable named 19 // Customers 20 sqlDataAdapter1.Fill(dataSet11, "Customers"); ... data stored in dataView1 to dataGrid1 and allows dataGrid1 to access any data stored in dataView1 Figure 13.2: Setting the Properties of dataGrid1 Select View ➣ Code and set the Form1() ... "Customers"); 21 } Compile and run your form by pressing Ctrl+F5 Figure 13.3 shows the running form Notice that the information in the form comes from the DataView you created Figure 13.3: The running...

Ngày tải lên: 21/01/2014, 07:20

... DataView(Cart); 25 ShoppingCart.DataSource = CartView; 26 ShoppingCart.DataBind(); 27 28 if (!this.IsPostBack) 29 { 30 // populate dataSet11 with the rows from the Products DataTable 31 sqlDataAdapter1.Fill(dataSet11, ... Open DataGridWebApplication by selecting File ➣ Open ➣ Project, double-click the Data-GridWebApplication folder, and double-click the DataGridWebApplication.sln file Open the WebForm1.aspx file ... creates a DataTable to store the shopping cart, and that this DataTable is stored in the Session object: private void Page_Load(object sender, System.EventArgs e) { 10 // Put user code to initialize...

Ngày tải lên: 21/01/2014, 07:20

... defined using DDL The solution executes a DDL CREATE DATABASE statement to create a new database on a SQL Server You can programmatically drop the database by using the DROP DATABASE statement in a ... statements generally require DBA permissions to execute Database Management Language (DML) Used to manipulate—select, insert, update, and delete—data in the database objects Database objects are ... statement in a similar way To drop the database created in the previous example, use the following code: DROP DATABASE MyDatabase The DROP DATABASE statement will fail if the database is in use; therefore,...

Ngày tải lên: 21/01/2014, 11:20

... command If you have a number of tables in a DataSet that you want to create in a database, you can iterate through the collection of DataRelation objects for the DataSet and use the ALTER TABLE ... "[sql_variant]"; break; } return sqlType; } Discussion The solution dynamically constructs a Data Definition Language (DDL) statement to create a table in a SQL Server database from the schema of a ... ConfigurationSettings.AppSettings["Sql_ConnectString"]); MessageBox.Show("Table " + TABLENAME + " created.", "Create DataTable from schema.", MessageBoxButtons.OK, MessageBoxIcon.Information); } private void CreateTableFromSchema(DataTable dt,...

Ngày tải lên: 21/01/2014, 11:20