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This section describes how to add a ComboBox control to your MVC web application and add data to it. For information on how to add ASP.NET MVC Edition controls, see Adding Controls.

This topic comprises of three steps:

• Step 1: Create an MVC Application
• Step 2: Create a Datasource for ComboBox
• Step 3: Add a ComboBox control
• Step 4: Build and Run the Project

The following image shows how ComboBox appears, after completing the steps above:

Step 1: Create an MVC Application

Create a new MVC application using the ComponentOne templates. For more information about creating an MVC application, see Configuring your MVC Application topic.

Step 2: Create a Datasource for ComboBox

1. Add a new class to the folder Models (for example: Cities.cs).
2. Add the following code to the new model to define the classes that serve as a datasource for the ComboBox control.

   C#

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   using System; using System.Collections.Generic; using System.Linq; using System.Web; namespace MVCFlexGrid.Models { public class Cities { public static List<string> GetCities() { return new List<string> { "Abidjan", "Accra", "Ahmedabad", "Alexandria", "Ankara", "Atlanta", "Baghdad", "Bandung", "Bangkok", "Barcelona", "Beijing", "Belo Horizonte", "Bengaluru", "Bogota", "Boston", "Buenos Aires", "Cairo", "Calcutta", "Chengdu", "Chennai", "Chicago", "Chongqung", "Dalian", "Dallas", "Delhi", "Detroit", "Dhaka", "Dongguan", "Essen", "Fuzhou", "Guadalajara", "Guangzhou", "Hangzhou", "Harbin", "Ho Chi Minh City", "Hong Kong", "Houston", "Hyderabad", "Istanbul", "Jakarta", "Johannesburg", "Karachi", "Khartoum", "Kinshasa", "Kuala Lumpur", "Lagos", "Lahore", "Lima", "London", "Los Angeles", "Luanda", "Madrid", "Manila", "Medellin", "Mexico City", "Miami", "Milan", "Monterrey", "Moscow", "Mumbai", "Nagoya", "Nanjing", "Naples", "New York", "Osaka", "Paris", "Pheonix", "Philadelphia", "Porto Alegre", "Pune", "Qingdao", "Quanzhou", "Recife", "Rio de Janeiro", "Riyadh", "Rome", "Saint Petersburg", "Salvador", "San Francisco", "Santiago", "Sao Paulo", "Seoul", "Shanghair", "Shenyang", "Shenzhen", "Singapore", "Surabaya", "Surat", "Suzhou", "Sydney", "Taipei", "Tehran", "Tianjin", "Toronto", "Washington", "Wuhan", "Xi'an-Xianyang", "Yangoon", "Zhengzhou", "Tokyo" }; } } }

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Step 3: Add a ComboBox control

Complete the following steps to initialize an AutoComplete control.

Add a new Controller

1. In the Solution Explorer, right click the folder Controllers.
2. From the context menu, select Add | Controller. The Add Scaffold dialog appears.
3. Complete the following steps in the Add Scaffold dialog:
   1. Select Empty MVC Controller template.
   2. Set name of the controller (for example: Default1Controller).
   3. Click Add.
4. Replace the method Index() with the following method.

   C#	Copy Code
   ViewBag.Cities = MVCFlexGrid.Models.Cities.GetCities(); return View();

Add a View for the Controller

1. From the Solution Explorer, expand the folder Controllers and double click the controller QuickStartController to open it.
2. Place the cursor inside the method QuickStart().
3. Right click and select Add View. The Add View dialog appears.
4. In the Add View dialog, verify that the view name is QuickStart and View engine is Razor (CSHTML).
5. Click Add. A view is added for the controller.
6. Instantiate a FlexChart control in the view QuickStart as shown below.
   • HTML Helpers
   • Tag Helpers

   Razor	Copy Code
   @{ List<string> cities = ViewBag.Cities; } <div> @(Html.C1().ComboBox().Bind(cities).SelectedIndex(0)) </div>

   HTML	Copy Code
   @{ List<string> cities = ViewBag.Cities; } <div> <c1-combo-box selected-index=0> <c1-items-source source-collection=@cities></c1-items-source> </c1-combo-box> </div>

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Step 4: Build and Run the Project

1. Click Build | Build Solution to build the project.
2. Press F5 to run the project.

   Append the folder name and view name to the generated URL (for example: http://localhost:1234/QuickStart/QuickStart) in the address bar of the browser to see the view.

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