c# how to sort 2D array values

Question

I have 2 arrays

string[,] marksMatrix = new string[5, 4];
string[] studentIDArr = new string[5];

Marks matrix has the marks of 5 students for 4 subjects and their student IDs are stored in the studentIDArr. When I display the student IDs and marks of each student, how do I sort it in ascending order of the student IDs?

textBox2.Text = "StudentID\tOOAD\tDWA\tDB\tWAD\r\n";
int rowlength = marksMatrix.GetLength(0);
int collength = marksMatrix.GetLength(1);

for (int y = 0; y < rowlength; y++) {
  textBox2.Text += studentIDArr[y];
  for (int x = 0; x < collength; x++) {
    textBox2.Text += "\t" + marksMatrix[y,x];
  }
  textBox2.Text += "\r\n";
}

Answer 1

A possible solution is:

1. Declare a new vector of strings (let's call it studentIDArrSorted)
2. Sort studentIDArr and store it in studentIDArrSorted, without altering the order of studentIDArr.
3. Now take a for on studentIDArrSorted
4. For studentIDArrSorted[i], search is position in studentIDArr.
5. Print the corresponding column from marksMatrix.

Example: Initial list : "3", "4", "2"
Sorted list: "2", "3", "4"

The old position of "2" in list was 3, so you must print the 3th line from the matrix.
Note: I assume that the ids are unique.

A more simple solution will be to store the both arrays (the marks and the ids) in an object. This will get rid of all the overhead.