creating a compositedata object using compositedatasupport

... 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 ... 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 ... 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...

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 ... example, you can set your method to private void sqlConnection1_StateChange( object sender, System.Data.StateChangeEventArgs e) { Console.WriteLine( "State has changed from "+ e.OriginalState + "to ... 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...

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 ... SqlDataAdapter object in the tray Warning You need to set the Connection property of the SelectCommand in your sqlDataAdapter1 object to your Connection object before the DataAdapter can access ... 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

... 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

... that the ForeignKeyConstraint is added to ordersDT using the Add() method Note To successfully add a ForeignKeyConstraint to a DataTable, each DataColumn value in the child DataTable must have ... must have a matching DataColumn value in the parent DataTable The next example retrieves the constraint just added to ordersDT and displays its properties: myFKC = (ForeignKeyConstraint) ordersDT.Constraints["ForeignKeyConstraintCustomersOrders"]; ... (DataColumn relatedDataColumn in myFKC.RelatedColumns) { Console.WriteLine(""+ relatedDataColumn); } Console.WriteLine("myFKC.RelatedTable = " + myFKC.RelatedTable); Console.WriteLine("myFKC.Table...

Ngày tải lên: 21/01/2014, 07:20

... learn how to create a SqlCommand object using the CreateCommand() method of a SqlConnection object Creating a SqlCommand Object Using the CreateCommand() Method Rather than creating a SqlCommand ... CompanyName, ContactName, Address " + "FROM Customers " + "ORDER BY CustomerID"; You can also pass the command and the Connection object to the constructor in one step when creating a Command object ... Indicates the name of a table, for which all rows and columns are to be retrieved Note: SqlCommand objects don't support TableDirect You have to use an object of one of the other Command classes...

Ngày tải lên: 21/01/2014, 07:20

... contains the background graphics The Ball layer contains the basketball graphic, which is a movie clip instance appropriately named basketball_mc We'll be looking at this instance's timeline in a ... contains three layers: Shadow, Graphic, and Sound The Shadow and Graphic layers contain a couple of tweens to emulate the look and movement of a bouncing basketball The Sound layer simply contains ... that bouncing ball Open basketball1.fla in the Lesson17/Assets folder This file contains six layers—Background, Ball, Ball Score, Score Fields, Watermark, and Actions: o o The Background layer...

Ngày tải lên: 21/01/2014, 13:20

... successfully add a UniqueConstraint to the DataColumn of a DataTable, the DataColumn value in each DataRow object in the DataTable must be unique The final example retrieves the constraint just added ... DataSet myDataSet = new DataSet(); mySqlConnection.Open(); mySqlDataAdapter.Fill(myDataSet); mySqlConnection.Close(); myDataSet.Tables["Table"].TableName = "Customers"; myDataSet.Tables["Table1"].TableName ... myDataSet.Tables["Table1"].TableName = "Orders"; DataTable customersDT = myDataSet.Tables["Customers"]; DataTable ordersDT = myDataSet.Tables["Orders"]; The following example creates a UniqueConstraint object on...

Ngày tải lên: 26/01/2014, 07:20

... cheked and on V-ray shadows parameters check Transparent shadows and area shadow Use a plane for the scene and assign a white color to this It looks fine, but not really :) The glass need something ... Image Sampler(Antialising), turn of the Adaptive subdivision For the glass materials use this settings: and for the liquid this For the lighting I have used an Omni light, V-ray shadows cheked and ... for Max as I know), and adjust the thickness of the object how you like Now to make the special for of the glass we need to cut a little of the top, using booleans We will use a box like so: And...

Ngày tải lên: 01/04/2014, 17:32

... 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 ... 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 the interface for the application: ... 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

... components to a form 3, 13 images to an application 11 menus to an application 13 objects to a form standard actions to an application toolbars to an application 16 applications, compiling and debugging ... status bar that can hold persistent text The Panels property is a zero-based array so that you can access each panel you create based on its unique index value By default, the first panel has a value ... Component palette that make it easy to program menus, toolbars, dialog boxes, and many other visual and nonvisual program elements The text editor application requires an editing area, a status bar for...

Ngày tải lên: 16/04/2014, 11:15

... true) parentDataTableName and childDataTableName are the names of the parent and child DataTable objects parentDataColumnNames and childDataColumnNames contain the names of the DataColumn objects ... DataRelation(string dataRelationName, DataColumn[] parentDataColumns, DataColumn[] childDataColumns) DataRelation(string dataRelationName, DataColumn parentDataColumn, DataColumn childDataColumn, bool createConstraints) ... createConstraints) DataRelation(string dataRelationName, DataColumn[] parentDataColumns, DataColumn[] childDataColumns, bool createConstraints) DataRelation(string dataRelationName, string parentDataTableName,...

Ngày tải lên: 26/01/2014, 07:20

... mySqlCommand.CommandText = "SELECT CustomerID, CompanyName, Country " + "FROM Customers"; SqlDataAdapter mySqlDataAdapter = new SqlDataAdapter(); mySqlDataAdapter.SelectCommand = mySqlCommand; DataSet ... 13.1: USINGDATAVIEW.CS /* UsingDataView.cs illustrates the use of a DataView object to filter and sort rows */ using System; using System.Data; using System.Data.SqlClient; class UsingDataView ... customersDV.RowStateFilter = rowStateFilter; A DataView stores rows as DataRowView objects, and the rows are read from the DataRow objects stored in the underlying DataTable The following example uses a foreach...

Ngày tải lên: 26/01/2014, 07:20

... SqlDataAdapter mySqlDataAdapter = new SqlDataAdapter(); mySqlDataAdapter.SelectCommand = mySqlCommand; DataSet myDataSet = new DataSet(); mySqlConnection.Open(); mySqlDataAdapter.Fill(myDataSet, ... UsingDataViewManager.cs illustrates the use of a DataViewManager object */ using System; using System.Data; using System.Data.SqlClient; class UsingDataViewManager { public static void Main() ... mySqlConnection.Close(); DataTable customersDT = myDataSet.Tables["Customers"]; // create a DataViewManager object named myDVM DataViewManager myDVM = new DataViewManager(myDataSet); // set the Sort and RowFilter...

Ngày tải lên: 26/01/2014, 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

... SqlDataReader object to a string Also notice you include the namespace when referencing the SqlDataReader class: you use System.Data.SqlClient SqlDataReader when creating the SqlDataReader object ... System.Data.SqlClient.SqlDataReader mySqlDataReader = sqlCommand1.ExecuteReader(); while (mySqlDataReader.Read()) { listView1.Items.Add(mySqlDataReader["CustomerID"].ToString()); listView1.Items.Add(mySqlDataReader["CompanyName"].ToString()); ... opens the database connection, creates a SqlDataReader object, and uses it to read the rows from the result set returned by the SqlCommand object Each column of the result set is then added to...

Ngày tải lên: 07/11/2013, 10:15

... Server database */ using System; using System.Data; using System.Data.SqlClient; class MySqlConnection { public static void Main() { // formulate a string containing the details of the // database ... 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 to ... documentation.) You've now seen how to create a Connection object using program statements You'll see how to create a Connection object visually using Visual Studio NET later in the "Creating a Connection...

Ngày tải lên: 07/11/2013, 10:15

... 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