6. POPULATION DATABASE In the Chap12 folder of the Student Sample Programs, you will find a database file named PopulationDB.mdf. The database has a table named City. The City table has the following columns: Column Name City Population Data Type nvarchar (50) Primary key ▪ Get the highest population. ▪ Get the lowest population. float The City column stores the name of a city and the Population column stores the population of that city. The database has 20 rows already entered. Create an application that connects to the PopulationDB.mdf database and allows the user to perform the following: ▪ Use data-bound controls to add new rows to the database, change existing rows, and delete rows. ▪ Sort the list of cities by population, in ascending order. ▪ Sort the list of cities by population, in descending order. ▪ Sort the list of cities by name. ▪ Get the total population of all the cities. ▪ Get the average population of all the cities.

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### 6. Population Database

In the Chap12 folder of the Student Sample Programs, you will find a database file named `PopulationDB.mdf`. The database has a table named `City`. The `City` table has the following columns:

| Column Name | Data Type               |
|-------------|-------------------------|
| City        | nvarchar(50) Primary key|
| Population  | float                   |

- **City Column**: Stores the name of a city.
- **Population Column**: Stores the population of that city.

The database has 20 rows already entered. 

#### Application Requirements

Create an application that connects to the `PopulationDB.mdf` database and allows the user to perform the following tasks:

- Use data-bound controls to:
  - Add new rows to the database.
  - Change existing rows.
  - Delete rows.
- Sort the list of cities by population in:
  - Ascending order.
  - Descending order.
- Sort the list of cities by name.
- Calculate:
  - Total population of all cities.
  - Average population of all cities.
  - Highest population.
  - Lowest population.
Transcribed Image Text:### 6. Population Database In the Chap12 folder of the Student Sample Programs, you will find a database file named `PopulationDB.mdf`. The database has a table named `City`. The `City` table has the following columns: | Column Name | Data Type | |-------------|-------------------------| | City | nvarchar(50) Primary key| | Population | float | - **City Column**: Stores the name of a city. - **Population Column**: Stores the population of that city. The database has 20 rows already entered. #### Application Requirements Create an application that connects to the `PopulationDB.mdf` database and allows the user to perform the following tasks: - Use data-bound controls to: - Add new rows to the database. - Change existing rows. - Delete rows. - Sort the list of cities by population in: - Ascending order. - Descending order. - Sort the list of cities by name. - Calculate: - Total population of all cities. - Average population of all cities. - Highest population. - Lowest population.
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