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They comprise the largest share of the foreign exchange market. Forex major pairs are .. Currencies are traded in currency pairs. Foreign Exchange Market turnover is approximately 5. The major group embraces just 7 currency pairs, .. Cross- Currency Pairs A cross- currency pair, ..

Here Mudassar Ahmed Khan has explained how to display/show data in ListView control from database in ASP.Net using C# and VB.Net. This article demonstrates how to change the color and font properties of each subitem of a ListView by using Visual Studio 2010 and C#.

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Visual Basic Listview Edit Subitem Category Management

A list control is implemented in the MFC library by the CListCtrl class. At design time, to create a list control, on the Controls toolbox, click the List Control.

This is because you can only value a currency relative to other currencies. You either sell on currency for another or buy a currency with another.

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Page 1 of 5. List. View is probably the most commonly used and needed UI components in an Android app. It isn't difficult to use, but you need to get to grips with the idea of an ! Microsoft Word 2007 Toolbar Information more.

Lifecycle & State - Updated Version In Print Book. Spinners. Pickers. List. View And Adapters. If you are interested in creating custom template also see: Custom Projects In Android Studio. For a range of reasons, one of the most common things you need to do in an Android UI is to display a list of things that the user can select from. We have already looked at the basic Picker in chapter 1.

List. View is a more general category of . Android and portable devices often need something more than just a small list. Because of the limited screen size it is often the case that the user can only be shown an overview of quite a few different items.

When the user selects an item they are then presented with more details of the item - a details view. Displaying lists and other collections of data is so common that Android has a mechanism that makes it easier. Well it does make it easier once you understand how it all works.

The key idea is that to display a collection each item in the collection has some how to be converted to an appropriate View object. It is the View object that the container displays for each item of data in the collection. The Adapter. Displaying a collection of items has a number of similarities no matter what the collection of items are or what container is used. The container has various positions that are visible on the screen for displaying items. For example, a List. View has horizontal slots, one per item and a Grid.

View has a 2. D grid of slots. Each container accepts a View object and displays it in a slot. It is much more flexible to provide the container with a set of preprepared View objects because then the container simply has to display the View object without having to perform any conversions. All containers that derive from the Adapter. View class make use of adapters to supply what they display in terms of View objects. These include, as well as the List.

View and Grid. View, the Spinner, Gallery and Stack. View. This approach also has the advantage that you can provide the container with a View object that is a complete layout i. For example, you could supply a List.

View with a View object that contains an image and a Text. View to create a multimedia list of pictures and text.

Of course if the container isn't doing the conversion from the data object to the View object - you are going to have to do it. This is where the Adapter comes in. The List. View and the Grid. View containers both make use of the List.

Adapter class as their basic Adapter. In general you have to take the List. Adapter class and extend it to create your own custom Adapter which generates a custom View object for the container to use in each of its slots. The container asks for the View object to be used to display item i or using whatever indexing suits the particular container. The Adapter returns the View object and the container displays it - without worrying what it is or what it corresponds to. This might sound complicated but it turns out to be very simple in practice.

However to make things even simpler there is also an Array. Adapter which lets you display a single text item for each element of an array of arbitrary objects. How can this possibly work if the object in the array can be anything?

The first thing to point out is that Array. Adapter is a generic class and can accept an array of any type as long as you specify it when you create the Array. Adapter instance. The second thing to point out is that Array adapter calls each items to. String method to get some text to display in the container - very simple but also very restrictive. In fact it is quite easy to modify what the Array. Adapter displays and this makes it more versatile than you might expect and hence well worth getting to know.

So to summarise: Containers like List. View and Grid. View display View objects in a particular arrangement - as a vertical list or as a 2.

D grid in this case. An Adapter converts the data that is to be displayed in each slot into a suitable View object. For complex data and displays you need to create a custom Adapter.

In many cases however the Array. Adapter can be used. That is Array. Adapter is a predefined custom Adapter for converting Arrays to Text. View objects. The Array. Adapter, at its most basic, can supply Text. View objects to a container from an array of any type simply by calling the object's to. String methods. The Array.

Adapter. Rather then starting with an example that is completely general it is worth looking at how the Array. Adapter is used in conjunction with a List. View. Start a new Android Studio project called List. View. Example based on a Blank Activity and accept all of the defaults. For a simple example all we are going to do is display a list of names in a List. Download Force Awakens Trailer 1080P Camera. View. First delete the usual . At the moment the list.

View isn't automatically assigned an id. If this is the case type list. View into the id in the Properties window.

If you do this then a dummy content will be generated for you. You will see that for the sake of allowing you to work with the layout the designer show you the List. View filled with some two item text objects. Our Adapter is going to be simpler than this dummy display with just a single line of text. If you run the program at this early stage you wont see anything in the List. View - it will be blank. The text that you see in the designer is just to help you visualize the UI - there is no Adapter associated with the List.

View and hence when you run it there is nothing to display. Our next task is to create an Array. Adapter object to supply the List.

View with something to display. But first we need a String array to hold the text we are going to display. For simplicity we might as well add the code to the on.

Create method in My. Activity. java. In the real world the Strings would probably be read from a file or a database, etc. Next we need to create the Array. Adapter. To do this the constructor need the context, usually this, a layout to use to display each String and the String array: Array. Adapter< String> my.

Adapter=new Array. Adapter< String> (this,android. R. layout. simple. If you are not familiar with Java generics then you need to look up how it all works. You can create your own layouts and we will see how this is done in a moment. Finally we need to associate the adapter with the List. View: List. View my.

List=(List. View) find. View. By. Id(R. id. View); my. List. set. Adapter(my. Adapter); The complete on. Create method is: protected void on.

Create(Bundle saved. Instance. State).

So far this doesn't look impressive but the List. View gives you some basic facilities. For example if you increase the number of elements in the array: String.