adding user controls to a web forms page programmatically

Tài liệu Binding Data to a Web Forms DataList pdf

... 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, ... 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 ... dataList.DataSource = CreateDataSource( ); dataList.DataKeyField = "Id"; dataList.DataBind( ); } } private DataTable CreateDataSource( ) { DataTable dt = new DataTable(TABLENAME);...

Tài liệu Binding Data to a Web Forms DataGrid ppt

Danh mục: Kỹ thuật lập trình

... 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 ... ); dataGrid.DataKeyField = "OrderId"; dataGrid.DataBind( ); } } private DataTable CreateDataSource( ) { DataTable dt = new DataTable( ); // Create a DataAdapter and fill ... dataGrid.CurrentPageIndex = e.NewPageIndex; // Bind the data view to the data grid. dataGrid.DataSource = dv; dataGrid.DataBind( ); } private void dataGrid_SortCommand(object...

Localizing Client-Side Data in a Web Forms Application

Danh mục: Kỹ thuật lập trình

... Sample data that might come from a database // displayed according to culture set by user. dateLabel.Text = DateTime.Now.ToString("D"); shortDateLabel.Text = DateTime.Now.ToString("d"); ... culture. [ Team LiB ] [ Team LiB ] Recipe 3.5 Localizing Client-Side Data in a Web Forms Application Problem You need to format dates and currency values according to the culture ... The sample code-behind for the Web Forms page contains one event handler and a single method: Form.Load Creates the CultureInformation object based on the user& apos;s settings. RefreshData(...

Displaying an Image from a Database in a Web Forms Control

Danh mục: Quản trị mạng

... required tasks: 1. Create a web page that outputs a binary stream containing the image from the database. 2. Create a SQL statement to retrieve the required image from the database and retrieve ... display an image from a database column in an ASP.NET control. Solution Fill an ASP.NET Image control from a database field by pointing the ImageUrl property of an Image control to a web page ... Rendering an image from a database in a Web Forms Image control is easy to do, but not straightforward. Fortunately, it is much simpler with ASP.NET than it was in ASP. Two web pages are required:...

Tài liệu Editing and Updating Data in a Web Forms DataGrid pdf

Danh mục: Kỹ thuật lập trình

... dataGrid.DataKeyField = "Id"; dataGrid.DataBind( ); } private DataTable CreateDataSource( ) { DataTable dt = new DataTable(TABLENAME); // Create the DataAdapter and ... table and stores the DataTable to a Session variable to cache the data source for the DataGrid. UpdateDataSource( ) This method creates a DataAdapter and uses it with updating logic generated ... Session["DataSource"] = dt; return dt; } private DataTable UpdateDataSource(DataTable dt) { // Create a DataAdapter for the update. SqlDataAdapter da = new SqlDataAdapter("SELECT...

Tài liệu Binding Simple Data to Web Forms Controls pdf

Danh mục: Kỹ thuật lập trình

... Simple data binding binds an ASP.NET web control property to a single value in a data source. The values can be determined at runtime. Although most commonly used to set control properties to display ... Team LiB ] Recipe 7.1 Binding Simple Data to Web Forms Controls Problem You need to bind a field of data to a server-side control. Solution Use the DataBind( ) method. The Web Forms ... code-behind contains one event and one method: Page. Load Binds data from the source—in this case the GetCompanyName( ) method to the companyNameTextBox server control. GetCompanyName( ) This...

Tài liệu Binding Complex Data to Web Forms Controls doc

Danh mục: Kỹ thuật lập trình

... </asp:ListBox> The code-behind contains one event handler: Page. Load Fills a DataTable with the CategoryID and CategoryName from the Categories table in the Northwind sample database. ... System.Configuration; using System.Data; using System.Data.SqlClient; // . . . private void Page_ Load(object sender, System.EventArgs e) { // Create a DataAdapter and use it to retrieve ID and Name ... (see Table 7-1) before calling DataBind( ). The Web Forms page sample code defines the ListBox that is populated with data by the code-behind page logic. The code for the Web Forms page is...

Tài liệu Adding Search Capabilities to Windows Forms docx

Danh mục: Quản trị mạng

... specified by a user to locate a record displayed in a DataGrid without executing a query against the database. Solution Use the Find( ) method of the DataView with a sort key value to locate a record ... Customers"; SqlDataAdapter da = new SqlDataAdapter(sqlText, ConfigurationSettings.AppSettings["Sql_ConnectString"]); DataTable dt = new DataTable( ); da.Fill(dt); // Create a view ... table from the Northwind sample database. A DataView is created based on the default view of the Customers DataTable, its sort key is set to the CustomerID column, and it is bound to the data...

Tài liệu Adding Tables to a Database pdf

Danh mục: Kỹ thuật lập trình

... 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 // Namespaces, variables, and constants ... 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 ... String createSql = "CREATE TABLE MyTable " + "(MyTableId int IDENTITY(1,1) PRIMARY KEY CLUSTERED)"; SqlCommand cmd = new SqlCommand(createSql, conn); // Create the table...

Tài liệu Hyperlink from a Row in the Data Grid to a Detail Page ppt

Danh mục: Cơ sở dữ liệu

... a Row in the Data Grid to a Detail Page Often, I need to zero in and display data based on a record in the DataGrid control. How do I display detail information in a separate page from a DataGrid ... Sub Page_ Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load 'Put user code to initialize the page here Dim odaProdIndiv As OleDb.OleDbDataAdapter ... How -To for editing data. Using data with your Web Forms is not much harder than using Windows Forms. Just remember to stash some variables for round trips to the server and to bind your data....

Tài liệu Use Bound Controls with Web Forms pdf

Danh mục: Cơ sở dữ liệu

... AutoPostBack True Label Caption Customer ID Label Caption Company Name Label Caption Contact Label Caption Contact Title Label Caption Address Label Caption City Label Caption Region Label ... Setting OleDbDataAdapter ID odaCustomerList SelectCommand Select CustomerID, CompanyName From Customers DataSet ID dsCustomerList OleDbDataAdapter ID odaCustomerIndividual SelectCommand Select ... Me.txtCustomerID.DataBind() Me.txtCompanyName.DataBind() Me.txtContactName.DataBind() Me.txtContactTitle.DataBind() Me.txtAddress.DataBind() Me.txtCity.DataBind() Me.txtRegion.DataBind()...

Tài liệu Adding Controls to the Form pptx

Danh mục: Kỹ thuật lập trình

... the member's details, the Add button will validate and store the data. The user can click Clear to reset the controls on the form and cancel any data entered. Add Windows Forms controls ... 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 ... properties dynamically in your own programs, and there are a number of properties that are available only at run time. If you want to learn more about the different properties available for each type...

Tài liệu Báo cáo khoa học: "Using Automatically Transcribed Dialogs to Learn User Models in a Spoken Dialog System" doc

Danh mục: Báo cáo khoa học

... UniversityPrinceton, NJ 08540, USAusyed@cs.princeton.eduJason D. WilliamsShannon LaboratoryAT&T Labs — ResearchFlorham Park, NJ 07932, USAjdw@research.att.comAbstractWe use an EM algorithm to learn ... θ be the maximum likelihoodestimate using automatically transcribed data,i.e., θasu=eKDasP a eKDas. This approach ignorestranscription errors and assumes that user be-havior depends ... many user actions together into genericplaceholders e.g. A t= FirstNameLastName.After doing this, there were a total of 13 possiblevalues for A tand˜ A t, and 14 values for St.The user...

Tài liệu User-Centered Design: A Developer''''s Guide to Building User-Friendly Applications ppt

Danh mục: Kỹ thuật lập trình

... published in interactions magazine, Arnold Lund makes a similar case:An alternative approach is to view usability testing as part of a software quality manage‐ment program and to justify it through ... trying to achieve. Not just to the hospital but to ourselves: What was our purpose? Overall, what did we want to achieve as a team? How did we provide value to our users and the organization?We ... that your application maintains a great user experience.6 | Chapter 2: What Is User- Centered Design?www.it-ebooks.info“Goals are dreams with deadlines.”—Diana Scharf HuntCHAPTER 4Having a...

Outsourcing Web Projects: 6 Steps to a Smarter Business potx

Danh mục: Quản trị Web

... and Macs at a Computer-land retail store during high school. He later joined the development world as a programmerand architect, building large-scale applications in C++, Java, and VB. As an ... software or hardware products described herein.Trademark NoticeRather than indicating every occurrence of a trademarked name as such, this book uses the namesonly in an editorial fashion and to ... typically learn to add a little extra to theproject estimation so that they can remove it later in the negotiations underthe guise of a “discount.” Clearly, this situation negates any actual savingsthat...