Beginning Visual Basic 2005 Databases phần 9 docx

... NUMBER -1. 797 693 13486231E308 -1.79E + 308 through -2.23E -10^38 +1 through 10^38 -1 to -4 .94 065645841247E-324 - 308, 0 and 2.23E + 308 for negative values and through 1.79E + 308 from 1. 797 693 13486231E308 ... loop, you process all rows of data in the DataSet. The first 597 Accessing a Web Service 19_ 58 894 x ch16.qxd 10/13/05 5: 59 PM Page 597 19. Now drag a ToolStrip control...

Ngày tải lên: 12/08/2014, 10:21

... Oracle databases from within the Visual Studio 2005 development environment. Visit its Web site at www.oracle.com for more information about this tool. Before you begin using Visual Studio 2005 ... project. 160 Chapter 8 11_58 894 x ch08.qxd 10/13/05 5:54 PM Page 160 9. Now it’s time to take advantage of some of the productivity capabilities of Visual Studio 2005 by adding som...

Ngày tải lên: 12/08/2014, 10:21

... _ lstGroupProjects.SelectedIndex) objGroupProjectsDS.AcceptChanges() End If End Sub 2 19 Stored Procedures and Views for SQL Server and Oracle 12_58 894 x ch 09. qxd 10/13/05 5:52 PM Page 2 19 “G~v!x@Z#c$a%C^b&h*K(e)K_”) Dim bytIV() ... cboGroups.SelectedIndex = -1 Then Exit Sub End If 2 29 Stored Procedures and Views for SQL Server and Oracle 12_58 894 x ch 09. qxd 10/13/05 5:52 PM...

Ngày tải lên: 12/08/2014, 10:21

... changes to the row objDataRowView.EndEdit() ‘Disallow new records 4 09 Selecting Data 15_58 894 x ch12.qxd 10/13/05 5:56 PM Page 4 09 objDataSet.Tables(“User”).Rows(0).Item( _ “ManagerID”).ToString ... Admin form with roles, users, and managers when the form loads: 393 Selecting Data 15_58 894 x ch12.qxd 10/13/05 5:56 PM Page 393 Catch ExceptionErr As Exception Throw New System.Exception...

Ngày tải lên: 12/08/2014, 10:21

... inRoleID; EXCEPTION WHEN OTHERS THEN RAISE_APPLICATION_ERROR( -2 099 9,’Update role failed.’); RETURN; END; END; 4 39 Updating Data 16_58 894 x ch13.qxd 10/13/05 5:58 PM Page 4 39 Remember that the TimeSheet DataSet contains ... OTHERS THEN RAISE_APPLICATION_ERROR( -2 099 9,’Submit timesheet failed.’); RETURN; END; 460 Chapter 13 16_58 894 x ch13.qxd 10/13/05 5:58 PM Page 460 16_58 894 x ch...

Ngày tải lên: 12/08/2014, 10:21

... objWDATimeSheets.GetManagerName(ManagerID) 5 49 Creating a Web Service 18_58 894 x ch15.qxd 10/13/05 5:57 PM Page 5 49 Figure 15-3 Try It Out Creating a Web Service To complete this exercise: 1. Start Visual Studio 2005 and from ... HelloWorld Web method. Close your browser to be returned to Visual Studio 2005. 5 59 Creating a Web Service 18_58 894 x ch15.qxd 10/13/05 5:57 PM Page...

Ngày tải lên: 12/08/2014, 10:21

... groups, 296 DataReader code, altering, 291 , 292 DataSet , 297 error handling, 296 group procedures, modifying, 292 groups, 2 89 290 index changes, 292 – 293 LoadGroups procedure, 297 – 298 loading ... with status, 398 – 399 , 402, 403, 4 19, 422–424 login form business logic component, Web page referencing, 487–488, 494 – 496 returning IDs with status, 398 – 399 , 4 19 Web applicat...

Ngày tải lên: 12/08/2014, 10:21

... _1, 0, 99 , and 100. In most cases, if your method works properly for one or two of the possible valid values, it 6 39 Visual Basic 2005 and XML 22_5740 19 ch 19. qxd 9/ 16/05 9: 38 PM Page 6 39 your ... string value instead of a null value as is typically found in databases. 643 Visual Basic 2005 and XML 22_5740 19 ch 19. qxd 9/ 16/05 9: 38 PM Page 643 pictureList = se...

Ngày tải lên: 12/08/2014, 10:21

... row’s version number or timestamp before updating the row. 3 39 Transactions and Concurrency 44063c 09. qxd:WroxBeg 9/ 12/06 10:40 PM Page 3 39 8. Add a Form1_Load() event handler, and add code as follows: private ... management (see Chapter 9) is included. There is nothing to stop you from adding code for these, however. 3 19 Custom Data Objects 44063c08.qxd:WroxBeg 9/ 12/06 10:38 PM P...

Ngày tải lên: 08/08/2014, 18:21

... (characterAddressRow.Length == 0) { addressRow.Delete(); } 399 Working with Disconnected Data 44063c10.qxd:WroxBeg 9/ 12/06 10:43 PM Page 399 There is also a Name property for the SqlFunction attribute, ... System.Runtime.InteropServices.CustomMarshalers namespace) ❑ Classes in the Micosoft.VisualBasic.dll and Microsoft.VisualC.dll libraries (which include runtime libraries for Visual...

Ngày tải lên: 08/08/2014, 18:21