ado net tutorial in c sharp ppt

... FontUnit.Point(nSizeVal); TCell.BackColor = ConvertExcelColor2DotNetColor(((Excel.Range)objExcelSheet.Cells[nRowIndex, nColIndex]).Interior.Color); TCell.Height = Unit.Point(Decimal.ToInt32(Decimal.Parse((((Excel.Range)objExcelSheet.Cells[nRowIndex, ... Color: private System.Drawing.Color ConvertExcelColor2DotNetColor(object objExcelColor) { string strColor = ""; uint uColor = 0; int nRed = 0; int nGreen = 0; int nBlue = 0; strColor = objExcelColor.ToString(); ... = (int)((Excel.Range)objExcelSheet.Cells[nRowIndex, nColIndex]).MergeArea.Columns.Count; nMergeCellCount = (int)((Excel.Range)objExcelSheet.Cells[nRowIndex, nColIndex]).MergeArea.Columns.Count;...

Ngày tải lên: 13/12/2013, 01:16

... web applications are no exception In Chapter 15, you begin exploring the world of data by considering ADO. NET Microsoft’s NETpowered technology for interacting with relational databases Chapters ... quick Tip introduction to HTML, refer to one of the excellent HTML tutorials on the Internet, such as www.w3schools com/html You’ll also get a mini-introduction in Chapter HTML 2.0 introduced ... Chapter 23 covers how you can create reusable components for ASP .NET applications Chapter 24 demonstrates how careful use of caching can boost the performance of almost any web application Finally...

Ngày tải lên: 16/03/2014, 20:20

... them and record them in the WSDL document Introducing the WS- Specifications We introduce you to the WS- specifications again in Chapter 5, and then cover them in detail in the remaining chapters ... with excellent preparation for working with WCF in the future This chapter contains the following: • Overview of WCF architecture, including the Indigo service layer, the WCF connector, hosting ... specifications, including WS-Security: Integrates a set of popular security technologies, including digital signing and encryption based on security tokens, including X.509 certificates WS-Policy: Allows...

Ngày tải lên: 20/08/2012, 13:57

... implementing industry-standard Web service specifications, including WS-Security: A wide-ranging specification that integrates a set of popular security technologies, including digital signing and encryption ... with excellent preparation for working with Indigo in the future This chapter contains the following: • Overview of Indigo architecture, including the Indigo service layer, the Indigo connector, ... 390 1c0 1_final.qxd 6/30/04 2:52 PM Page Introducing Service-Oriented Architecture Services provide flexible binding: Services fully describe themselves using the WSDL contract This information includes...

Ngày tải lên: 20/08/2012, 13:59

... = "Calculator"; myCalculator = new Calculator(); //Đây khung c c p cao mà tất điều khiển kh c chèn vào //Và thay đổi kích c theo AreaPane controlPane = new ResizeablePane(this, ClientRectangle, ... kh c nhau, đối tượng tương ứng với hướng B c, Nam, Đông, Tây đối tượng Tất thành phần kích c nén theo chiều hướng, B c Nam cao chiều thẳng đứng, rộng chiều ngang C n Đông Tây ngư c lại, c chiều ... Control Box: Về c u tr c điều khiển Layout làm vi c lớp điều khiển đóng gói + ContainerBox: Đư c kế thừa từ ControlBox, chèn thêm ControlBox xếp chúng + AreaPane: Đư c kế thừa từ ContainerBox, hoạt...

Ngày tải lên: 22/12/2013, 22:16

... Understanding Caching .765 When to Use Caching 766 Caching in ASP .NET 767 Output Caching 767 Caching on the Client Side 769 Caching and ... Performance: A typical ASP .NET application is much faster than a comparable ASP application, because ASP .NET code is compiled to machine code before it’s executed However, processorcrunching algorithms ... which includes special characters such as semicolons (;), curly braces {}, and backward slashes (\) Fortunately, once you get accustomed to C# , these details will quickly melt into the background...

Ngày tải lên: 27/12/2013, 00:34

... /// /// Copy constructor /// /// Other circle public CCircle(CCircle cir) { this.center = new CPoint(cir.center); this.radius = cir.radius; } /// ... Console.WriteLine(vtg.HinhVe.ToString()); vtg.VeTamGiacCanSao(); Console.WriteLine(vtg.HinhVe.ToString()); vtg.VeTamGiacSo(); Console.WriteLine(vtg.HinhVe.ToString()); // In bảng mã ASCII //CInMaASCII ascii ... /// Copy constructor /// /// Other point to copy public CPoint(CPoint p) { this.x = p.x; this.y = p.y; } } } CCircle.cs PHP Code: using using using using System;...

Ngày tải lên: 26/01/2014, 19:20

... Working with Objects in Visual Basic 147 Reexamining the Role of Classes and Objects 148 Creating an Object 150 Setting an Object’s Properties 151 Calling an Object’s Methods 152 Creating ... 1: Getting Started with ASP .NET After double-checking that the correct packages are being installed, click the Install button to begin the installation process The overall installation process ... Web-hosting companies have a number of Internet-accessible computers on which individuals or companies can host their websites These computers contain web servers that are accessible from any other computer...

Ngày tải lên: 17/02/2014, 22:20

... you can define rows and columns, thus creating grid cells, and then add objects to individual cells in the grid or to multiple cells by using spanning To specify in which cell to place an object, ... drill into each member and see its incoming and outgoing calls, forming a very useful call hierarchy To open the Call Hierarchy window, simply right-click on any method, property, or constructor ... Application project: • All of the code files are compiled into a single assembly, placed in the bin directory • You can easily exclude files from a project, because all files within the project...

Ngày tải lên: 17/02/2014, 23:20

... approaches to getting source code to execute on a particular machine… compilation into machine-language object code direct execution of source code by ‘interpreter’ program compilation into intermediate ... Inheritance in C# 70 3.5 Constructors 70 3.6 Constructor Rules 72 3.7 Access Control 73 3.8 Abstract Classes 77 3.9 Overriding Methods 78 3.10 he ‘Object’ Class 80 3.11 Overriding ToString() deined in ... 6.8 Identifying Potential Methods 121 6.9 Identifying Common Characteristics 122 6.10 Reining Our Design using CRC Cards 123 Excellent Economics and Business programmes at: Please click the advert...

Ngày tải lên: 21/02/2014, 06:20

... PublishContacts(Contact[] contacts) { // This publish method just writes them to the console window foreach(Contact c in contacts) Console.WriteLine("Contact Id: {0} Contact: {1}", c. Id, c. Name); } ... Rattz_789- 3C0 1.fm Page 10 Tuesday, October 2, 2007 2:29 PM 10 CHAPTER ■ HELLO LINQ namespace LINQDev.Common { public class Contact { public int Id; public string Name; public static void PublishContacts(Contact[] ... nwind; Northwind db = new Northwind(@"Data Source=.\SQLEXPRESS;Initial Catalog=Northwind"); var custs = from c in db.Customers where c. City == "Rio de Janeiro" select c; foreach (var cust in custs)...

Ngày tải lên: 05/03/2014, 21:20

... Occur in the Data Source Controls Hand-Coding Data Access Code Caching Common Pitfalls with Caching Data Different Ways to Cache Data in ASP .NET Web Applications Practical Data Tips Summary Chapter ... Beginning ASP .NET 4: in C# and VB Published by Wiley Publishing, Inc 10475 Crosspoint Boulevard Indianapolis, IN 46256 www.wiley.com Copyright © 2010 by Wiley Publishing, Inc., Indianapolis, Indiana ... Displaying and Editing Data with GridView Inserting Data with DetailsView Storing Your Connection Strings in web.config Filtering Data Customizing the Appearance of the Data Controls Configuring Columns...

Ngày tải lên: 05/03/2014, 22:20

... Detecting Concurrency Conflicts 472 Summary .476 ■ Chapter 11: Caching and Asynchronous Pages .477 Understanding ASP .NET Caching .477 Output Caching ... 478 Declarative Output Caching 479 Caching and the Query String 480 Caching with Specific Query String Parameters .481 Custom Caching Control ... them in any other type of NET application (including a stand-alone Windows application, a Windows service, a command-line utility, and so on) Although there are Windows-specific and webspecific classes...

Ngày tải lên: 06/03/2014, 20:21

... database=Northwind; Trusted_connection=true”; SqlCommand cmd = new SqlCommand(“”,cnn); cmd.CommandText = “SELECT COUNT(*) FROM Customers”; cnn.Open(); int count = (int) cmd.ExecuteScalar(); cnn.Close(); ... Data Source Configuration Wizard Nguyen Ha Giang - 2009 ADO. NET n ADO. NET m t ph n c a NET Framework q n Thư vi n l p c ch c thao t c d li u ngôn ng MS .NET ADO. NET d ng “Disconnected” q q Cho phép ... Data Provider - Connection OLEDB Connection OleDbConnection cnn = new OleDbSqlConnection(); cnn.ConnectionString = “Provider=Microsoft.Jet.OLEDB.4.0; Data Source =Sinhvien.mdb”; cnn.Open(); //xử...

Ngày tải lên: 28/03/2014, 16:20

... reference type causes a boxing operation In the following code, two boxing operations occur: // boxing1.cpp // compileWith cl /clr boxing1.cpp using namespace System; int main() { int i = 5; Console::WriteLine(Object::ReferenceEquals(i, ... only in a special scope The following code introduces new names defensively by combining both suggestions: // introducingNamesCarefully.cpp // compile with "cl /clr:safe introducingNamesCarefully.cpp" ... C+ +/CLI interoperability: • Existing C+ + source code can be compiled to managed code (source code compatibility) • Native code and managed code can be linked into a mixed-code assembly (object...

Ngày tải lên: 27/06/2014, 11:20

... Understanding Caching .765 When to Use Caching 766 Caching in ASP .NET 767 Output Caching 767 Caching on the Client Side 769 Caching and ... Performance: A typical ASP .NET application is much faster than a comparable ASP application, because ASP .NET code is compiled to machine code before it’s executed However, processorcrunching algorithms ... appropriate for the current platform This step occurs when the application is launched, just before the code is actually executed In an ASP .NET application, these machine-specific files are cached while...

Ngày tải lên: 29/06/2014, 13:20

... TimeOfDay.Evening: Console.WriteLine("Good evening!"); break; default: Console.WriteLine("Hello!"); break; } } } Namespaces Namespace cung c p c ch tổ ch c quan hệ lớp kiểu kh c  Namespace c ch mà NET ... theo CTS hỗ trợ khái niệm chung như: lớp, interface, delegate, kiểu tham chiếu kiểu giá trị C CLS (Common Language Specification) - cung c p quy t c ph c vụ cho vi c tích hợp ngôn ngữ Những chương ... Chương 1: C# kiến tr c NET    NET Platform NET Framework Dịch chương trình .NET Platform   NET Platform framework mới, cung c p API (Application Programming Interface) NET Platform cho...

Ngày tải lên: 12/07/2014, 03:20

... namespace Category should again be categorized into questions that were pertaining to diseases, chemical composition, and the places in which the medicines are mostly used Therefore, create nested ... namespaces and namespace aliases Create nested namespaces Category under each namespace, Region under the Team namespace and create Reference under the namespace Difficult Also create appropriate methods ... Programming in C# Assignments Being the same member of the e-learning team who developed the earlier design, try to implement the changes using the concepts of nested namespaces and namespace aliases...

Ngày tải lên: 02/08/2014, 10:20

... the access to that object with locking As in a full-fledged NET application, you can use the lock keyword to obtain exclusive access to an in- memory object However, locking complicates application ... support cross-domain access To so, try requesting the clientaccesspolicy.xml and crossdomain.xml files in the root website 680 CHAPTER 20 NETWORKING In Chapter 15, you learned what the clientaccesspolicy.xml ... In this example, the cancellation is requested when the user clicks the Cancel button: private void cmdCancel_Click(object sender, RoutedEventArgs e) { backgroundWorker.CancelAsync(); } Nothing...

Ngày tải lên: 06/08/2014, 10:20