Help of what these errors mean.In C#• Create a Class, named Student, to hold properties of Student Last Name, Student First Name, Student ID (9 digits), Course Prefix and Number, and the tests (Test 1, Test 2, Test 3, Test 4). Create appropriate setter and getter accessors, and constructors. Use access modifiers. Example: First Name : Pat Last Name : Smythe Student ID : ABC111333 Course Prefix : CIST Course Name : 2431 Test 1 : 100 Test 2 : 90 Test 3 : 80 Test 4 : 88• Prompt the user for the Student Last and First Name, Student ID, Course Prefix and Number and the tests. • Include at least one exception handling function. • Use an array to store the 4 test grades.• Use a looping structure to populate the array.• Calculate the numeric average based upon the 4 equally-weighted numeric grades.• Display all the data for each of student using a looping structure.• Display the numeric average for each student.• Create a function that will convert the numeric average to a letter grade average using the grading scale: o A = 90 to100 o B = 80 to 89 o C = 70 to 79 o D = 60 to 69 o F = 0 to 59• The function must return the value of the letter grade average.• Display the letter grade average for each student.• Calculate the overall class average as a numeric and then a letter grade.• For the last line of the output, display the overall class average as a numeric and then a letter grade.• Write the student data only from the Student Class for each student to a CSV file. Use a looping structure to implement this function. Allow the user to enter the filename. Note that the Course Prefix and Number should not be comma separated. So, CIST, 2431 should be written as (notice the omission of the comma): CIST 2431 Do NOT write the averages to the file. There should be one line written for each student exactly as this example: Smythe, Pat, ABC111333, CIST 2431, 100, 90, 80, 88 Jones, ……… Note that Last Name is written first. Program.csxStudent- Debug19819920020128220320420520628720820921021121221321421521621789 %218219-ⓇProject Build47°FPartly cloudy6YDebug Test Analyze Tools ExtensionsAny CPU}stud[i].display();classAvg += stud[i].average();string filename = Console.ReadLine();using (var stream= File.CreateText(filename)){for(int i = 0; i Edit View Git Project Buildgram.cs* XStudent១ ខ ជ ន ព គ គឺ អ ក គ ន ៖ ឥ ត ឌ ឌី ឌ ៖ ឌ ឌ ទី1989%2021222324252627282930313233343536373839Error ListB92 -- Debugprivate int cNum;Error List OutputReady47°FPartly cloudy8private int[] tests = new int [4];// default constructorO referencesStudent(){}this. LastName = ""this.firstName = "";this.id = "";4.Debug Test Analyze Tools ExtensionsAny CPUStart-this.cPrefix = "";this.cNum = 0;O referencesEntire Solution.Code Description// parametrized constructor6 ΔΟtthis.lastName = lastName;this.firstName = firstName;this.id = id;this.cPrefix= cPrefix;this.cNum = cNum;Student.ProgramStudent (string lastName, string firstName, string id, string cPrefix, int cNum, int[] tests)-6 Errors A0 Warnings#CS1520 Method must have a return typeCS1520 Method must have a return typeCS0136A local or parameter named 'csvRow' cannot be declared in this scope becausethat name is used in an enclosing local scope to define a local or parameterCS1503 Argument 6: cannot convert from 'void' to 'object'CS0165 Use of unassigned local variable 'csvRow$RY24 Messages Build+ IntelliSenseProjectStudentStudentStudentStudentStudent%O5YWindow Help Search (Ctrl+Q)6&旨媚美味风习习习,hp-ProgramFileProgram.csProgram.csProgram.csProgram.csProgram.cs4+8209Search Error ListLine Suppression State23332112119PLn: 25 Ch: 25 SPCActiveActiveActiveActiveActiveOSA

Question

Help of what these errors mean.In C#• Create a Class, named Student, to hold properties of Student Last Name, Student First Name, Student ID (9 digits), Course Prefix and Number, and the tests (Test 1, Test 2, Test 3, Test 4). Create appropriate setter and getter accessors, and constructors. Use access modifiers. Example: First Name : Pat Last Name : Smythe Student ID : ABC111333 Course Prefix : CIST Course Name : 2431 Test 1 : 100 Test 2 : 90 Test 3 : 80 Test 4 : 88• Prompt the user for the Student Last and First Name, Student ID, Course Prefix and Number and the tests. • Include at least one exception handling function. • Use an array to store the 4 test grades.• Use a looping structure to populate the array.• Calculate the numeric average based upon the 4 equally-weighted numeric grades.• Display all the data for each of student using a looping structure.• Display the numeric average for each student.• Create a function that will convert the numeric average to a letter grade average using the grading scale: o A = 90 to100 o B = 80 to 89 o C = 70 to 79 o D = 60 to 69 o F = 0 to 59• The function must return the value of the letter grade average.• Display the letter grade average for each student.• Calculate the overall class average as a numeric and then a letter grade.• For the last line of the output, display the overall class average as a numeric and then a letter grade.• Write the student data only from the Student Class for each student to a CSV file. Use a looping structure to implement this function. Allow the user to enter the filename. Note that the Course Prefix and Number should not be comma separated. So, CIST, 2431 should be written as (notice the omission of the comma): CIST 2431 Do NOT write the averages to the file. There should be one line written for each student exactly as this example: Smythe, Pat, ABC111333, CIST 2431, 100, 90, 80, 88 Jones, ……… Note that Last Name is written first. Program.csxStudent- Debug19819920020128220320420520628720820921021121221321421521621789 %218219-ⓇProject Build47°FPartly cloudy6YDebug Test Analyze Tools ExtensionsAny CPU}stud[i].display();classAvg += stud[i].average();string filename = Console.ReadLine();using (var stream= File.CreateText(filename)){for(int i = 0; i Edit View Git Project Buildgram.cs* XStudent១ ខ ជ ន ព គ គឺ អ ក គ ន ៖ ឥ ត ឌ ឌី ឌ ៖ ឌ ឌ ទី1989%2021222324252627282930313233343536373839Error ListB92 -- Debugprivate int cNum;Error List OutputReady47°FPartly cloudy8private int[] tests = new int [4];// default constructorO referencesStudent(){}this. LastName = &#34;&#34;this.firstName = &#34;&#34;;this.id = &#34;&#34;;4.Debug Test Analyze Tools ExtensionsAny CPUStart-this.cPrefix = &#34;&#34;;this.cNum = 0;O referencesEntire Solution.Code Description// parametrized constructor6 ΔΟtthis.lastName = lastName;this.firstName = firstName;this.id = id;this.cPrefix= cPrefix;this.cNum = cNum;Student.ProgramStudent (string lastName, string firstName, string id, string cPrefix, int cNum, int[] tests)-6 Errors A0 Warnings#CS1520 Method must have a return typeCS1520 Method must have a return typeCS0136A local or parameter named 'csvRow' cannot be declared in this scope becausethat name is used in an enclosing local scope to define a local or parameterCS1503 Argument 6: cannot convert from 'void' to 'object'CS0165 Use of unassigned local variable 'csvRow$RY24 Messages Build+ IntelliSenseProjectStudentStudentStudentStudentStudent%O5YWindow Help Search (Ctrl+Q)6&旨媚美味风习习习,hp-ProgramFileProgram.csProgram.csProgram.csProgram.csProgram.cs4+8209Search Error ListLine Suppression State23332112119PLn: 25 Ch: 25 SPCActiveActiveActiveActiveActiveOSA

Accepted Answer

Definition:
In C#, class is a group of similar objects. It is a template from which objects are…