adding controls to a web forms

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, ... 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...

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 ... to drag the DataList control onto the web page design surface. The DataGrid control uses templates to display items, control layout, and provide functional capabilities similar to the DataList...

Localizing Client-Side Data in a Web Forms Application

Danh mục: Kỹ thuật lập trình

... 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 ... 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"); ... client rather than the server. Solution Use client culture and encoding to return data to the client formatted according to the client's localization settings rather than the server's...

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 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 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 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...

GIS for Web Developers Adding Where to Your Web Applications pdf

Danh mục: Kỹ thuật lập trình

... data and vector data.Raster data is nothing more than a top-down photograph of the earth.It can be an image from a satellite or an aerial photo. Cartographerscall it raster data strictly for ... important,how to get at the hidden metadata that moves it from being simplypretty pixels to true geographic data.Chapter 5—Spatial DatabasesYou’re probably going to want to store your geodata in a database ... name to US States. This affects the label that appears in theLayers list. Note that you can also set layers to appear and disap-pear based on your zoom level. For example, displaying a detailedcity...

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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 ... display data, any property of the control can be bound—for example, the background color or size of the control. The Visual Studio .NET Properties window provides a tool to create data-binding...

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 ... Complex data binding describes binding a multi-record control to multiple records in a data source. The DataGrid, DataList, and ListBox controls are examples of controls that support complex 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 value to traditional products of regional origin - A guide to creating a quality consortium pptx

Danh mục: Tiếp thị - Bán hàng

... origin and quality on the packag-ing of certiﬁed products such as Italian Parmigiano-Reggiano, Colombian Coffee and Greek Feta, serve as a legal safeguard against fraudulent imitations and also as ... obtains protection, in the best-case scenario, as a trademark. Meanwhile, in coun-tries such as Thailand, Malaysia or Indonesia, for example, handicraft and industrial products can aspire to a ... producers and companies whose aim is to add value to a traditional product of regional origin and act as a platform for the fair and balanced coordination of interests and efforts in the same value...

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...

no starch press the book of javascript, a practical guide to interactive web pages 2nd ed

Danh mục: Tin học

... JavaScript 12Summary 12Assignment 132USING VARIABLES AND BUILT-IN FUNCTIONS TO UPDATE YOUR WEB PAGES AUTOMATICALLY 15Variables Store Information 16Syntax of Variables 16Naming Variables ... desktop applications. Here you’ll be introduced to Ajax and most of the JavaScript you’ll need to know to create Ajax applications.Chapter 15: XML in JavaScript and AjaxThe X in Ajax stands ... 2: Using Variables and Built-in Functions to Update Your Web Pages AutomaticallyDid you know that JavaScript can figure out what day it is and write the date to a web page? This chapter will...

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no starch press the book of javascript, a practical guide to interactive web pages

Danh mục: Tin học

... wrote Java as a general programming language that works on all kinds of operating systems. As you’ll see in Appendix A , though JavaScript can talk to Java programs, they’re two totally separate ... from recalcitrant engineers. Java Although JavaScript and Java have similar names, they aren’t the same. Netscape initially created JavaScript to provide interactivity for Web pages, and Sun ... information to your Web page. Before getting into the nuts and bolts of functions and variables, let’s take a look at an example of a Web page that automatically updates itself. If you visit National...