Visual Basic NET at Work Building 10 Enterprise Projects phần 5 doc

... created between you and the HTML you’re generating by the ASP .NET Framework. ASP .NET Framework maintains state for you. Do you ever have to post to the server to apply validation logic to a data ... a DataView object that exposes all of the columns of the table. You can programmatically create other DataView objects to bind objects to a subset of the columns in your DataTables. The DataVi...

Ngày tải lên: 14/08/2014, 01:20

... time that the data has been changed in the database, we refresh the data in the DataSet so that we have an accurate representation of what’s been done to it. This operation has been encapsulated ... so that our own code knows we’re creating a new record (used later when we save the data). Lastly, we update the application’s status line to indicate that a new record was successfully created ....

Ngày tải lên: 14/08/2014, 01:20

... of the DataList declaration. We will also have an EditItemTemplate element as a child of the DataList element. We’ll take a look at that later. Here’s the ItemTemplate: <ItemTemplate> <div ... for the data grid. The DropDownList control supports two additional properties that are specific to data binding operations, DataTextField and DataValueField. The first is the value that will...

Ngày tải lên: 14/08/2014, 01:20

... in: Screen.Width Pretty easy? Try it in Visual Basic .NET. There is no screen object in Visual Basic .NET. Simply looking it up was not an option. After digging through the .NET Framework documentation, the answer ... Everything Else 292 Basic XML Syntax 293 XML Schemas 2 95 XML Namespaces 303 The XML Designer 3 05 Creating a Schema 306 Let’s Start the Project 3 15 The Data Gen...

Ngày tải lên: 14/08/2014, 01:20

... installation was made with it. It was an indicator of an ama- teur attempt at installation and did not look professional. The Visual Studio .NET Installer tools not only create installations that ... organize them into folders that will also be created when the installation runs. Take a look at Figure 5. 2 to see what it looks like. 164 Project 5 and create clients that successfully...

Ngày tải lên: 14/08/2014, 01:20

... Generator. This program will generate an XSD schema to match an existing database that can be distributed to users of the data to make sure that the data is correct. It will also communicate the ... on the form, Generate Toy Data and Generate Toy Schema, are used to generate XML and XSD files that follow a specific SQL select statement. The last option, Generate Other Data, allows the user .....

Ngày tải lên: 14/08/2014, 01:20

... more work than automatic pagination. To Paginate or Not to Paginate Usually you will want to stick with automatic pagination and use it when it is appro- priate. For example, you could create ... the configuration file, which I’ll cover in detail later. Forms Authentication and Authorization Forms authentication and authorization are ideal for Web sites and Web applications that are open ....

Ngày tải lên: 14/08/2014, 01:20

... in the Microsoft .NET Framework and Visual Basic .NET. Each project looked at a specific technique. This project will bring several of them together to create a solution that just about any com- pany ... application to a server that has IIS 5. 0 and the Mobile Internet Toolkit SDK installed and also has an Internet connection. Let’s Start the Project Finally we arrive at the project...

Ngày tải lên: 14/08/2014, 01:20

... 91– 95 data binding Mobile Internet Toolkit, 386–390 Visual Basic .NET methods, 55 56 Visual Studio .NET tools, 47 55 DataBindings collection, Binding object, 55 56 DataForm wizard, 47–49 Data ... object ADO .NET, 56 data navigation, 69–71 Binding object, 55 56 Boolean properties, 14 BoundColumn declarations, 252 bug reporting client forms, 103 –1 15 debugging, 1 15 116 fr...

Ngày tải lên: 14/08/2014, 01:20

... sdrData As SqlDataReader Dim sb As New StringBuilder Dim strColor As String Dim db as New AtWorkUtilities.Database(“server=localhost;” _ & “database=ASPNetProject02;uid=sa;pwd=;”) sdrData ... m_DS.Tables(0).Rows If dr.RowState = DataRowState.Added _ Or dr.RowState = DataRowState.Modified Then ValidateRow(dr) End If Next End Sub ‘ ‘ Checks an individual row for validation rule ‘ compliance...

Ngày tải lên: 12/08/2014, 08:23