Question

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.IO;

namespace FileWriter
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}

private void btnCreate_Click(object sender, EventArgs e)
{
try
{
//write code that assigns the value in the textbox to an Integer variable

if // write code that validates whether or not the data entered in the textbox is greater than or equal to 1 *
{

try
{

SaveFileDialog saveFileDialog1 = new SaveFileDialog();
saveFileDialog1.Filter = "txt files (*.txt)|*.txt|All files (*.*)|*.*";
saveFileDialog1.FilterIndex = 1;
saveFileDialog1.CheckFileExists = false;
saveFileDialog1.InitialDirectory = //complete the code for the InitialDirectory property
saveFileDialog1.RestoreDirectory = true;

if (saveFileDialog1.ShowDialog() == DialogResult.OK)
{
string strFileName = saveFileDialog1.FileName;
FileStream fileOut = new FileStream(strFileName, FileMode.Create);
StreamWriter writer = new StreamWriter(fileOut);

//Create an object of the Random class
Random rand = new Random();
int randomNumber = rand.Next(0, 100);

for (/* program a loop condition that repeats a number of times equal to the number entered in the textbox */
{
//write code that generates a random number and writes it into the .txt file

writer.WriteLine(randomNumber.ToString());
}
//close the writer object
}
}
catch
{
MessageBox.Show("Error saving the changes to the data file.",
"Error Saving Data", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
else
{
MessageBox.Show("Please enter an integer greater than zero");
}
}

  
catch
{
MessageBox.Show("Please enter an integer greater than zero");
}

}
}
}

I've started this program for you already. In canvas is a .zip file that you can download containing much of this program already developed. Your task will be to program a few, specific areas of the program. Download the program, open it, and look at the source code in Form1.cs. Everywhere you see a green comment is code that you are responsible for programming. The "Create File" button needs to open a SaveFileDialog where the user can create a custom filename for the file. Make sure to include a SaveFileDialog control in your application. You can find this in your Toolbox. Pointer ColorDialog FolderBrowserDialog FontDialog OpenFileDialog ileDialog The file location where the SaveFileDialog should default to when saving the file (using the code InitialDirectory Application.StartupPath) is the Debug folder, which is located inside the Bin folder for your project. After the file is saved, there should be several randomly generated numbers in the newly created .txt file. - The numbers must be randomly generated - The numbers must be between O and 100 - Each number should be on a separate line - The quantity of numbers should match the number value entered into the textbox in the form I OOI box. Pointer FontDialog OpenFileDialog ASaveFileDialog The file location where the SaveFileDialog should default to when saving the file (using the code InitialDirectory Application.StartupPath) is the Debug folder, which is located inside the Bin folder for your project. After the file is saved, there should be several randomly generated numbers in the newly created .txt file. The numbers must be randomly generated - The numbers must be between 0 and 100 Each number should be on a separate line The quantity of numbers should match the number value entered into the textbox in the form The textbox should only be allowed to accept integer values of 1 or greater. Do not allow a non-integer value to be entered - this can be accomplished by typing an int.Parse() method inside a try-catch statement; this should be the first data validation in your program. Do not allow a number less than one to be entered this can be accomplished with an if-else statement. Include an "Exit" button to close the form. Quick Launch (Ctri+Q) FileWriter-Microsoft Visual Studio File Edit View Project Build Debug Team Tools Test Analyze Window Help Thuong DoanTD Toolbox Search Toolbox p General Forml.cs* ㄨ Solution Explorer ρ FileWriter -Ί .; FileWriter.Formi О" btnCreate-Click(object sender. Event A @ . -®, S () 25 //write code that assigns the value In the textbox to an Integer variable Search Solution Explorer (Ctri+ 27 Elf (/-write code that validates whether or not the data entered in the textbox is Solution FileWriter' (1 project) FileWriter DProperties 30 DReferences App.config DProgram.cs 32 Form1.cs 35 36 37 38 39 SaveFileDialog saveFileDialogi new SaveFileDialog); saveFileDialog1.Filter txt files (.txt).txt All files (.*" saveFileDialog1.FilterIndex - 1; saveFileDialog1.CheckFileExists-false; saveFileDialog1.InitialDirectoryI/complete the code for the InitialDirec RestoreD - true Solution Explorer lf (saveFileDialogi. ShowDialog() = DialogResult.OK) string strFileName-saveFileDialog1.FileName; FileStrean fileout new Filestream(strFileNane, FileMode.Create); Streanklriter writer new streanklriter(fileOut); 46 47 //Create an object of the Random class Random rand new Random(); int randonNumber rand . Next(0, 100); for (program a loop condition that repeats a number of times equal t 53 //write code that generates a random number and writes it into the writer.WriteLine (randomNumber.Tostring)); 57 58 //close the writer object 100% Ln 75 Col 14 Ch 14 Add to Source Control 12:22 AM O Type here to search ^%a) / 4, ENG 3/20/2019

Answer 1

Design

Form1 Enter number Create Exit

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.IO;
namespace FileWriters
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void btnCreate_Click_1(object sender, EventArgs e)
{

}

private void btnCreate_Click(object sender, EventArgs e)
{
try
{
// assign value from text box to integer variable
int number = Int32.Parse(txtNumber.Text);

if (number > -1)
{
try
{

SaveFileDialog saveFileDialog1 = new SaveFileDialog();
saveFileDialog1.Filter = "txt files (*.txt)|*.txt|All files (*.*)|*.*";
saveFileDialog1.FilterIndex = 1;
saveFileDialog1.CheckFileExists = false;
saveFileDialog1.InitialDirectory = Application.StartupPath;
saveFileDialog1.RestoreDirectory = true;
if (saveFileDialog1.ShowDialog() == DialogResult.OK)
{
string strFileName = saveFileDialog1.FileName;
FileStream fileOut = new FileStream(strFileName, FileMode.Create);
StreamWriter writer = new StreamWriter(fileOut);
//Create an object of the Random class
Random rand = new Random();
int randomNumber;
for (int i = 0; i < number; i++)
{
//write code that generates a random number and writes it into the .txt file
randomNumber = rand.Next(0, 100);
writer.WriteLine(randomNumber.ToString());
}
//close the writer object
writer.Close();
}
}
catch
{
MessageBox.Show("Error saving the changes to the data file.",
"Error Saving Data", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
else
{
MessageBox.Show("Please enter an integer greater than zero");
}
}

catch
{
MessageBox.Show("Please enter an integer greater than zero");
}
}

private void btnExit_Click(object sender, EventArgs e)
{
this.Close();
}
}
}

File Edit Format View Help h4 92 28