Comments by Member 14351839

Member 14351839 3-May-19 17:53pm View

Did this succesfully clones name and list?

public class Student : ICloneable
{
public List<int> Scores = new List<int>();

public string Name
{ get; set; }

public object Clone()
{
Student obj2 = new Student();
obj2.Scores = this.Scores;
obj2.Name = this.Name;
return obj2;
}

Member 14351839 3-May-19 17:51pm View

Is this more in the right direction?

public class Student : ICloneable
{
public List<int> Scores = new List<int>();

public string Name
{ get; set; }

public object Clone()
{
Student obj2 = new Student();
obj2.Scores = this.Scores;
obj2.Name = this.Name;
return obj2;
}

Member 14351839 3-May-19 17:35pm View

Yeah, quite lost. So, I should create an entire new Student object and clone it? How do I implement it to where the form only updates on the ok button event? I don't understand how the clone causes that.

Member 14351839 2-May-19 18:08pm View

But Clone() is a string method used to clone the string object? So your saying in my case since my classes contain instances I need to build new instances? Guess I'm confused on why I can clone instances.

Member 14351839 1-May-19 19:24pm View

Yeah, I figured it automatically stored the index based on my selection. I still need to add lots of error checking, but I'm glad we got this working. I've been stuck for days! lol thanks again

Member 14351839 1-May-19 19:10pm View

That seemed to fix it. It's now

private void students_SelectedIndexChanged_1(object sender, EventArgs e)
{
_selectedIndex = students.SelectedIndex;

if (_selectedIndex > -1)
{

Student student = GetStudent(_selectedIndex); //select index from list

Student students = GetStudent(_selectedIndex); //select index from list
ScoreTotalTextBox.Text = student.GetScoreTotal().ToString(); //show Score Total to box
ScoreCountTextBox.Text = student.GetScoreCount().ToString(); //show Score Count to box
ScoreAverageTextBox.Text = student.GetScoreAverage().ToString(); //show Score Average to box
}
}

Member 14351839 1-May-19 18:59pm View

How would I do that? I went here https://stackoverflow.com/questions/21327931/get-the-index-of-item-selected-in-listview and added the if statement, but to no avail.

Member 14351839 1-May-19 18:44pm View

What do you mean by this? I tried calling it in my GetProduct method, but that did not work.

Member 14351839 1-May-19 18:39pm View

I've added

private void students_SelectedIndexChanged_1(object sender, EventArgs e)
{
_selectedIndex = students.SelectedIndex;
Student student = GetStudent(_selectedIndex); //select index from list
ScoreTotalTextBox.Text = student.GetScoreTotal().ToString(); //show Score Total to box
ScoreCountTextBox.Text = student.GetScoreCount().ToString(); //show Score Count to box
ScoreAverageTextBox.Text = student.GetScoreAverage().ToString(); //show Score Average to box
}

and created the variable private int _selectedIndex; within the same class, but same error.

Member 14351839 1-May-19 18:34pm View

I believe I've stored the SelectionIndex, but still receiving the same error.

Member 14351839 1-May-19 18:26pm View

Guess I'm confused on where to set the index and how to call it.

Member 14351839 1-May-19 18:25pm View

It takes me to the method directly above. If my logic is correct then the first line "Student student = GetStudent(students.SelectedIndex);" selects index from list I've created in the student class and within the student class I declared

public int GetScoreAt(int index)
{
return (int)studentList[index];
}

Member 14351839 1-May-19 18:03pm View

I changed

private void students_SelectedIndexChanged_1(object sender, EventArgs e)
{
_selectedIndex = students.SelectedIndex;
Student student = GetStudent(_selectedIndex); //select index from list
ScoreTotalTextBox.Text = student.GetScoreTotal().ToString(); //show Score Total to box
ScoreCountTextBox.Text = student.GetScoreCount().ToString(); //show Score Count to box
ScoreAverageTextBox.Text = student.GetScoreAverage().ToString(); //show Score Average to box
}

and also changed the UpdateStudent method, but am still receiving the same error.

Member 14351839 1-May-19 17:50pm View

Deleted

Have I not already done this?

Member 14351839 1-May-19 17:37pm View

Any chance you could try and fix my solution? I'm not sure how to set the index to a local variable when the selection changes. I've been stuck at this part for a coupel days.

Member 14351839 1-May-19 17:25pm View

So why exactly is out of range though? So, I should store the index in a variable within the update form?

Member 14351839 1-May-19 17:16pm View

GetStudent(int id) UpdateStudent = Student student = GetStudent(originalIndex);

Member 14351839 1-May-19 17:12pm View

I'm not sure how to explain. I attached my source code so you can see the exact issue. Going to keep working at it.

Member 14351839 1-May-19 17:08pm View

I added the UpdateStuent method and because I'm entering an integer and I have it set as an integer?

Comments by Member 14351839 (Top 19 by date)