What do these errors mean and the message?

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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What do these errors mean and the message?

00
Toolbox
File
esc
Form1.cs [Design]*
C# Projected RaisesGUI
+
Edit View Git Project Build Debug
|-|-- Debug
100 %
Error List
11
12
13
그대여 22072 2
71°F
Cloudy
14
15
16
17
18
19
21
23
24
25
26
27
28
?
{
Q
namespace ProjectedRaisesGUI
×1
Form1.cs-X
a
1 reference
public Form1()
{
2
3 references
public partial class Form1 : Form
{
private string lbloutput;
}
*
C# Interactive (.NET Framework 64-bit) Error List Output
Ready
InitializeComponent();
1 Error
W
ILIA..
↑
S
O references
private void btnDisplay_Click(object sender, EventArgs e)
{
#
Any CPU
A1 Warning
M
TUT
Entire Solution
Code
Description
A CS0649 Field 'Form1.txtSalary' is never assigned to, and will always have its default value null
IDE1006 Naming rule violation: These words must begin with upper case characters: btnDisplay_Click
CS0103 The name 'txtSalary' does not exist in the current context
3
double salary, next YearSalary;
salary
= Convert.ToDouble(txtSalary.Text);
nextYearSalary = (salary + (salary * 4) / 100);
**
Analyze
D
S
$
4
A
Projected RaisesGUI.Form1
Qurulunun
E R
Tools
Start
fs
Extensions Window
%
705
1 Message 97 Build + IntelliSense
LL
5
2
0
16
G
417
&
Help
Y
Project
Projected Raises GUI
Projected RaisesGUI
Projected RaisesGUI
C
1
Search (Ctrl+Q)
H
這习习习。
-btnDisplay_Click(object sender, EventArgs e)
U
File
Form1.cs
Form1.cs
Form1.cs
6
?
-fun.
Projected RaisesGUI
no 11
K
Ln: 27
Search Error List
Ch: 48
1
Line Suppression State
16
Active
23 Active
27
Active
SPC
↑ Add to Sour
Transcribed Image Text:00 Toolbox File esc Form1.cs [Design]* C# Projected RaisesGUI + Edit View Git Project Build Debug |-|-- Debug 100 % Error List 11 12 13 그대여 22072 2 71°F Cloudy 14 15 16 17 18 19 21 23 24 25 26 27 28 ? { Q namespace ProjectedRaisesGUI ×1 Form1.cs-X a 1 reference public Form1() { 2 3 references public partial class Form1 : Form { private string lbloutput; } * C# Interactive (.NET Framework 64-bit) Error List Output Ready InitializeComponent(); 1 Error W ILIA.. ↑ S O references private void btnDisplay_Click(object sender, EventArgs e) { # Any CPU A1 Warning M TUT Entire Solution Code Description A CS0649 Field 'Form1.txtSalary' is never assigned to, and will always have its default value null IDE1006 Naming rule violation: These words must begin with upper case characters: btnDisplay_Click CS0103 The name 'txtSalary' does not exist in the current context 3 double salary, next YearSalary; salary = Convert.ToDouble(txtSalary.Text); nextYearSalary = (salary + (salary * 4) / 100); ** Analyze D S $ 4 A Projected RaisesGUI.Form1 Qurulunun E R Tools Start fs Extensions Window % 705 1 Message 97 Build + IntelliSense LL 5 2 0 16 G 417 & Help Y Project Projected Raises GUI Projected RaisesGUI Projected RaisesGUI C 1 Search (Ctrl+Q) H 這习习习。 -btnDisplay_Click(object sender, EventArgs e) U File Form1.cs Form1.cs Form1.cs 6 ? -fun. Projected RaisesGUI no 11 K Ln: 27 Search Error List Ch: 48 1 Line Suppression State 16 Active 23 Active 27 Active SPC ↑ Add to Sour
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