Ok I will try this again, I seem to have an error with the text boxes and the codes I am including the codes and screen shots
// Name spaces for application
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.IO;
namespace Week8
{
static class Program
{
///
/// The main entry point for the application.
///
[STAThread]
static void Main()
{
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
Application.Run(new grades());
}
internal class grades : Form
{
}
public partial class Form1 : Form
{
// Get the location where the data file would be created
string fileLoc = Application.StartupPath +
"\\Datafile.txt";
/* Constructor of the class to create the GUI of the form */
public Form1()
{
InitializeComponent();
}
private void InitializeComponent()
{
throw new NotImplementedException();
}
private void button1_Click(object sender, EventArgs e)
{
//form the desired string of the text boxes' text
string stu_rec = xtLastName.Text + "," +
txtFirstName.Text + ":" +
txtIDNumber.Text + ""
+ txtClass.Text + "" + txtGrade.Text;
try
{
//Create an Object of the SteamWriter
// class to write the data to the file
StreamWriter dat_file =
new StreamWriter(fileLoc, true);
//Write the data to the file
dat_file.WriteLine(stu_rec);
//clear the text of all the textbox controls
foreach (Control t in this.Controls)
{
if (t is TextBox)
t.Text = "";
}
//close the stream
dat_file.Close();
}
//throw an exception if the exception occurs
catch (IOException)
{
// show the error message
MessageBox.Show("Error Occurred. Please try again");
}
try
{
//create a new object of the SteamReader class to read the data from the same file
StreamReader read_file =
new StreamReader(fileLoc);
//variable to read the data
string read_rec = "";
//control where the data is to be shown
txtData.Text = "";
//read the data till the end of the file
do
{
//read the data and show it in the text box
read_rec = read_file.ReadLine();
txtData.Text += read_rec + " ";
}
while (read_rec != null);
//close the stream
read_file.Close();
}
//throw an exception if exception occurs
catch (IOException)
{
//show the message error
MessageBox.Show("Problem while reading the file. Please try again.");
}
}
}//End class
} // End Namespace
}
namespace StudentGrades { partial class Form1 { /// /// Required designer variable. /// private System.ComponentModel.IContainer components = null;
/// /// Clean up any resources being used. /// /// true if managed resources should be disposed; otherwise, false. protected override void Dispose(bool disposing) { if (disposing && (components != null)) { components.Dispose(); } base.Dispose(disposing); }
#region Windows Form Designer generated code
/// /// Required method for Designer support - do not modify /// the contents of this method with the code editor. /// private void InitializeComponent() { this.txtLastName = new System.Windows.Forms.TextBox(); this.txtFirstName = new System.Windows.Forms.TextBox(); this.txtIDNumber = new System.Windows.Forms.TextBox(); this.txtClass = new System.Windows.Forms.TextBox(); this.txtGrade = new System.Windows.Forms.TextBox(); this.Read = new System.Windows.Forms.TextBox(); this.button1 = new System.Windows.Forms.Button(); this.label1 = new System.Windows.Forms.Label(); this.label2 = new System.Windows.Forms.Label(); this.label3 = new System.Windows.Forms.Label(); this.label4 = new System.Windows.Forms.Label(); this.label5 = new System.Windows.Forms.Label(); this.SuspendLayout(); // // txtLastName // this.txtLastName.Location = new System.Drawing.Point(69, 12); this.txtLastName.Name = "txtLastName"; this.txtLastName.Size = new System.Drawing.Size(100, 20); this.txtLastName.TabIndex = 0; // // txtFirstName // this.txtFirstName.Location = new System.Drawing.Point(69, 47); this.txtFirstName.Name = "txtFirstName"; this.txtFirstName.Size = new System.Drawing.Size(100, 20); this.txtFirstName.TabIndex = 1; // // txtIDNumber // this.txtIDNumber.Location = new System.Drawing.Point(69, 86); this.txtIDNumber.Name = "txtIDNumber"; this.txtIDNumber.Size = new System.Drawing.Size(100, 20); this.txtIDNumber.TabIndex = 2; // // txtClass // this.txtClass.Location = new System.Drawing.Point(69, 126); this.txtClass.Name = "txtClass"; this.txtClass.Size = new System.Drawing.Size(100, 20); this.txtClass.TabIndex = 3; // // txtGrade // this.txtGrade.Location = new System.Drawing.Point(69, 167); this.txtGrade.Name = "txtGrade"; this.txtGrade.Size = new System.Drawing.Size(100, 20); this.txtGrade.TabIndex = 4; // // Read // this.Read.Location = new System.Drawing.Point(194, 12); this.Read.Multiline = true; this.Read.Name = "Read"; this.Read.ReadOnly = true; this.Read.Size = new System.Drawing.Size(189, 175); this.Read.TabIndex = 5; // // button1 // this.button1.Location = new System.Drawing.Point(81, 193); this.button1.Name = "button1"; this.button1.Size = new System.Drawing.Size(75, 23); this.button1.TabIndex = 6; this.button1.Text = "Add"; this.button1.UseVisualStyleBackColor = true; // // label1 // this.label1.AutoSize = true; this.label1.Location = new System.Drawing.Point(6, 15); this.label1.Name = "label1"; this.label1.Size = new System.Drawing.Size(58, 13); this.label1.TabIndex = 7; this.label1.Text = "Last Name"; // // label2 // this.label2.AutoSize = true; this.label2.Location = new System.Drawing.Point(6, 50); this.label2.Name = "label2"; this.label2.Size = new System.Drawing.Size(57, 13); this.label2.TabIndex = 8; this.label2.Text = "First Name"; // // label3 // this.label3.AutoSize = true; this.label3.Location = new System.Drawing.Point(6, 89); this.label3.Name = "label3"; this.label3.Size = new System.Drawing.Size(58, 13); this.label3.TabIndex = 9; this.label3.Text = "ID Number"; // // label4 // this.label4.AutoSize = true; this.label4.Location = new System.Drawing.Point(16, 129); this.label4.Name = "label4"; this.label4.Size = new System.Drawing.Size(32, 13); this.label4.TabIndex = 10; this.label4.Text = "Class"; // // label5 // this.label5.AutoSize = true; this.label5.Location = new System.Drawing.Point(16, 170); this.label5.Name = "label5"; this.label5.Size = new System.Drawing.Size(36, 13); this.label5.TabIndex = 11; this.label5.Text = "Grade"; // // Form1 // this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F); this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font; this.ClientSize = new System.Drawing.Size(403, 264); this.Controls.Add(this.label5); this.Controls.Add(this.label4); this.Controls.Add(this.label3); this.Controls.Add(this.label2); this.Controls.Add(this.label1); this.Controls.Add(this.button1); this.Controls.Add(this.Read); this.Controls.Add(this.txtGrade); this.Controls.Add(this.txtClass); this.Controls.Add(this.txtIDNumber); this.Controls.Add(this.txtFirstName); this.Controls.Add(this.txtLastName); this.Name = "Form1"; this.Text = "Form1"; this.ResumeLayout(false); this.PerformLayout();
}
#endregion
private System.Windows.Forms.TextBox txtLastName; private System.Windows.Forms.TextBox txtFirstName; private System.Windows.Forms.TextBox txtIDNumber; private System.Windows.Forms.TextBox txtClass; private System.Windows.Forms.TextBox txtGrade; private System.Windows.Forms.TextBox Read; private System.Windows.Forms.Button button1; private System.Windows.Forms.Label label1; private System.Windows.Forms.Label label2; private System.Windows.Forms.Label label3; private System.Windows.Forms.Label label4; private System.Windows.Forms.Label label5; } }
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