adding controls to a web form in asp net

... relational database. Some columns in a table in a database allow null values, indicating that the value held is not defined or is unknown. If you want to display this data in a CheckBox, you can ... Form1 .cs. A menu appears. 2. On the menu, click View Class Diagram. A new class diagram appears displaying the MemberForm class. 3. Right-click the MemberForm class in the diagram, point to Add, and ... similar to a CheckBox in that it can contain a True or False value. However, the power of radio buttons increases when you put them together in a GroupBox. In this case, the radio buttons form a...

Ngày tải lên: 26/01/2014, 12:20

... learned how to create a new AJAX-enabled ASP. NET site. Alterna- tively, you can just as easily create an AJAX-enabled ASP. NET web application if you have installed the Web Application Project add-on ... of ASP. NET AJAX. Using ASP. NET AJAX server controls is the easiest and quickest path to implementing AJAX functionality in your ASP. NET application. They are also ideal for when a minimal amount ... the web applica- tion model and not the ASP. NET web site model), be sure to install ASP. NET AJAX after installing Visual Studio 2005 SP1. CHAPTER 5 ■ INTRODUCING SERVER CONTROLS IN ASP. NET AJAX82 828-8...

Ngày tải lên: 05/10/2013, 10:20

... following scenario: You have a data-driven web page that needs to continuously alert the user with fast changing data, for instance, a page that displays the major financial indices in the U.S. capital ... data file is the data container for Scott’s ToDo List application and resides in the App_Data folder of the site. You may have to manually add the ASP. NET user of your machine to this database ... sophisticated apps that need logical and physical separation of the data tier that has complex data objects and a data access layer. Summary The ToDo List application is an excellent example of an ASP. NET...

Ngày tải lên: 05/10/2013, 10:20

... Team LiB ] Recipe 10.8 Adding Tables to a Database Problem You need to add a table to an existing database. Solution Use the CREATE TABLE statement. The sample code executes the DDL statement—using ... statement—using the ExecuteNonQuery( ) method o f the Command object to add a table to an existing SQL Server database. The C# code is shown in Example 10-8 . Example 10-8. File: AddTableToDatabaseForm.cs ... File: AddTableToDatabaseForm.cs // Namespaces, variables, and constants using System; using System.Configuration; using System.Data; using System.Data.SqlClient; // . . . SqlConnection...

Ngày tải lên: 21/01/2014, 11:20

... The DataList Web Forms control displays tabular data from a data source and controls the formatting using templates and styles. The DataList must be bound to a data source such as a DataReader, ... dataList.DataSource = CreateDataSource( ); dataList.DataKeyField = "Id"; dataList.DataBind( ); } } private DataTable CreateDataSource( ) { DataTable dt = new DataTable(TABLENAME); ... DataSet, DataTable, or DataView—any class that implements the IEnumerable interface can be bound. The easiest way to create a DataList control is to drag the DataList control onto the web page...

Ngày tải lên: 26/01/2014, 10:20

... bound to a data source such as a DataReader, DataSet, DataTable, or DataView. Any class that implements the IEnumerable interface can be bound. The easiest way to create a DataGrid control is to ... CreateDataSource( ); dataGrid.DataKeyField = "OrderId"; dataGrid.DataBind( ); } } private DataTable CreateDataSource( ) { DataTable dt = new DataTable( ); // Create a ... retrieves tabular information from a data source and renders it in a web page. The control supports functionality for selecting, editing, deleting, sorting, and navigating the data. The DataGrid...

Ngày tải lên: 26/01/2014, 10:20

... your clients inevitably wants to be able to examine the data in his database, and not necessarily in edit pages. The client wants to be able to list his data out and examine the data at his leisure. ... Dim odaDisplay As OleDb.OleDbDataAdapter Dim dtDisplay As New DataTable() Try ' Take the txtSQLString text and create a data table. Then set the ' data source of the data grid. ... string that is created and stored in txtSQLString. When the btnView button is clicked, the string is passed to a DataAdapter control, filling a data table. From there, the data is displayed...

Ngày tải lên: 26/01/2014, 11:20

Ngày tải lên: 14/03/2014, 09:20

Ngày tải lên: 19/03/2014, 16:48

Ngày tải lên: 23/03/2014, 13:20

Ngày tải lên: 24/03/2014, 03:21

Ngày tải lên: 18/06/2014, 19:20

... kh a cạnh c a Win /Web app aspnet aspnet Ứng dụng Web đầu tiên Ứng dụng Web đầu tiên (Your First Web Application) (Your First Web Application) Trình bày: Hà Đồng Hưng Giới thiệu VMWare Workstation 6 Mục ... tên c a event. Giới thiệu VMWare Workstation 5 Loại Project Loại Project • Class library • Windows control library • Console application • Windows service • ASP. NET Web application • ASP. NET Web ... service • Web control library Giới thiệu VMWare Workstation 7 Web app đầu tiên Web app đầu tiên • Chúng ta sẽ phát triển một application rất đơn giản – Để biểu thị không chỉ cho thiết kế giao diện – Mà...

Ngày tải lên: 06/09/2012, 16:30

... SqlDbCommand cmd.CommandText=”Select * From KhachHang Where MaKH=@MaKH”; SqlParameter Par As SqlParameter = cmd.CreateParameter(); Par.ParameterName=”@MaKH”; Par.Value=”KH01”; cmd.Parameters.Add(Par); Khoa ... đọc xong) SqlDataReader <Tên DataReader> As SqlDataReader; <Tên DataReader> = <tên Command>.ExecuteReader; VD: SqlDataReader rd As SqlDataReader; rd = cmd.ExecuteReader;  Phương ... bảng (DataTable), các quanhệ (DataRelation) và các ràng buộc (constraint)  Dataset thuộc tên miền: System.Data.Dataset.  Khai báo New System.Data.Dataset() Hoặc New System.Data.Dataset(<tên...

Ngày tải lên: 12/03/2013, 09:26

... make a call to the DataTier web service to get the DataTable back. The DataTable then loads the graph with the appropriate data. CHAPTER 10 ■ BUILDING A SAMPLE APPLICATION USING ASP. NET AJAX244 828-8 ... ■ BUILDING A SAMPLE APPLICATION USING ASP. NET AJAX 239 828-8 CH10.qxd 10/11/07 10:47 AM Page 239 226 CHAPTER 10 ■ BUILDING A SAMPLE APPLICATION USING ASP. NET AJAX Figure 10-1. An ASP. NET AJAX-based ... 26–27 financial research application, 225–256 application architecture, 226–228 applying ASP. NET AJAX, 253–255 charts & analytics pane, 241–253 company and quote information, 232–237 price history...

Ngày tải lên: 05/10/2013, 10:20

... We will create a separate pages to insert these records (default.aspx) into database and list,update,delete records (list.aspx) from database. In this application we will have following 4-Tiers ... We will create a separate pages to insert these records (default.aspx) into database and list,update,delete records (list.aspx) from database. In this application we will have following 4-Tiers ... shown above (default.aspx and list.aspx pages). Try manipulating data and see how effectively its happening. This was a simple application, based on this architecture, you can create larger application...

Ngày tải lên: 17/10/2013, 14:15

... in ASP. NET, page-level tracing and application- level tracing. In the lab, students will enable and disable tracing for an ASP. NET page. They will also add custom trace messages to an ASP. NET ... Trace 4 Application-Level Trace 9 Lab 5: Adding Trace to an ASP. NET Page 14 Review 15 Module 5: Using Trace in ASP. NET Pages Module 5: Using Trace in ASP. NET Pages 7 BETA MATERIALS ... will enable and disable tracing for an ASP. NET page. You will also add custom trace messages to an ASP. NET page and a middle-tier component. Module 5: Using Trace in ASP. NET Pages iii...

Ngày tải lên: 05/11/2013, 12:15

... Applications with ASP. NET A Web application that uses ASP. NET typically consists of one or more ASP. NET pages or Web forms, code files, and configuration files. A Web form is held in an .aspx ... that the Standard category is expanded. The Toolbox contains controls that you can drop onto ASP. NET forms. These controls are similar, in many cases, to the controls you have been using to ... essentially an HTML file with some Microsoft .NET specific tags. An .aspx file defines the layout and appearance of a page. Each .aspx file often has an associated code file containing the application...

Ngày tải lên: 24/12/2013, 09:16