Visual Basic .NET at Work Building 10 Enterprise Projects phần 10 docx

... ‘ Public Sub Validate() Dim dr As DataRow ClearErrors() For Each dr In m_DS.Tables(0).Rows If dr.RowState = DataRowState.Added _ Or dr.RowState = DataRowState.Modified Then ValidateRow(dr) End If Next End ... Listing 2. 25. Imports System Imports System.Data Imports System.Data.SqlClient Imports System.Web.UI Imports System.Web.UI.WebControls Listing 2. 25 Updatenote.aspx.vb Contact Manage...

Ngày tải lên: 12/08/2014, 08:23

... Entryform.inc Building the Calendar Application 135 Figure 3. 3 Monthly view of calendar. Before you panic at the complexity of building a calendar from scratch, the bulk of this code is handled automatically ... m_DS.Tables(0).Rows If dr.RowState = DataRowState.Added _ Or dr.RowState = DataRowState.Modified Then ValidateRow(dr) End If Next End Sub Listing 3. 4 CalendarEvent class (...

Ngày tải lên: 12/08/2014, 08:23

... @ParamDefs = ‘@StartDate datetime, @EndDate datetime’ IF (@StartDate IS NULL) SET @StartDate = CONVERT(datetime, ‘1/1/1753’) IF (@EndDate IS NULL) SET @EndDate = CONVERT(datetime, ‘12/31/9999 ... @StartDate, @EndDate Listing 4. 9 HitsByClient stored procedure CREATE PROCEDURE HitsByUserAgent ( @TableName nvarchar(25), @StartDate datetime = NULL, @EndDate datetime = NULL ) AS DECLARE @SQLSta...

Ngày tải lên: 12/08/2014, 08:23

... shown in Listing 6. 13. CREATE PROCEDURE sp_Get_Products_By_Category @categoryID int AS Select * from vw_Categories_Products Where CategoryID = @categoryID return @@rowcount Listing 6. 13 sp_Get_Products_By_Category ... dbo.Products.ProductName Listing 6. 2 vw_Categories_Products view The sp_Update_Customer stored procedure takes the customer data and updates the information in the cus...

Ngày tải lên: 12/08/2014, 08:23

... fields. Building the Online Store Application 373 Creating the Database Class The AtWorkUtilities.Database class code is shown in Listing 7. 11. The one change to this class is that the GetDataReader ... discussion forums. Building the Online Store Application 389 Building the Online Store Application 375 <TD><asp:comparevalidator id=”CompareValidator1” runat=”server” Con...

Ngày tải lên: 12/08/2014, 08:23

... spent, what date they were used, and what the individual’s hourly rate is. This way, we can generate project- status information to be shown at the task and project levels. We also require that a description ... DataBinder.Eval(Container.DataItem, _ “BilledStatus”) %></td> </tr> </AlternatingItemTemplate> <FooterTemplate> </table> </FooterTemplate> <...

Ngày tải lên: 12/08/2014, 08:23

... Client 10 3 Debugging Web Services 11 5 Enhancing the Project 11 6 Project 4: Performance Testing with Remoting 11 9 The Project 12 0 Remoting Overview 12 1 Remote Components 12 1 Remoting Mechanics 12 2 A ... Installation Details 15 6 Namespaces 15 6 Assemblies 15 8 The Microsoft Installer 16 1 Creating Installations with Visual Studio .NET 16 2 Let’s Start the Project...

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

... 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 ... installations of our own. Creating Installations with Visual Studio .NET You’ve been very patient so far. The basic knowledge behind the Installer is now yours. Your reward is an...

Ngày tải lên: 14/08/2014, 01:20

... 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 DataView ....

Ngày tải lên: 14/08/2014, 01:20

... not need the DataTextField or DataValueField for DataGrid or DataList binding. Now we’ve looked at everything that gives us the page displayed in Figure 6. 16. Let’s take a look at the page when ... 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&g...

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 ... the workspace. Name the element Computer and enter information into the grid to create our computer data. Figure 7. 3 illustrates what your workspace should resemble when you’re done. Note that ....

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

... techniques 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 ... security. Start by creating our main project. Make a new ASP.NET Web application in Visual Studio .NET and name it prj10. Rename the standard Form1 default.aspx. This will...

Ngày tải lên: 14/08/2014, 01:20

... 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 Generator DataAdapter object, 321 described, ... to database, 45–46 Tables collection, 42–43 DataSets, Web service return values, 97–98 DataTables, 42 Data Transformation Services (DTS) wizard, 92–95 data types, 5,...

Ngày tải lên: 14/08/2014, 01:20