System.StackOverflowException

Question

System.StackOverflowException

Imaad Isaacs 1

13 Jun 2021, 22:01

Im not sure why im getting this error

Sam of Simple Samples 5,551 Reputation points

13 Jun 2021, 23:38

You need to provide more information. Your image does not show what that code is or how it is called. Of course experienced developers can guess that it is the InitializeComponent method of a Windows Forms form. If so then it would help to have the windows-forms tag for the question.

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Sam of Simple Samples 5,551 Reputation points

13 Jun 2021, 23:38

You need to provide more information. Your image does not show what that code is or how it is called. Of course experienced developers can guess that it is the InitializeComponent method of a Windows Forms form. If so then it would help to have the windows-forms tag for the question.

Answer 1

Sam of Simple Samples 5,551

13 Jun 2021, 23:45

Without additional information I can only guess. The only possible explanation based on the information available is that the InitializeComponent method is being called recursively. Perhaps it would help if you update the question and show how (and everywhere) the InitializeComponent method is being called.

In your image look in the toolbar for Stack Frame:. It is at the second row under the search box. While debugging click on the stack frame to open the drop-down. If you can post an image of that then that will help. It might show the InitializeComponent method being called multiple times.

Imaad Isaacs 1 Reputation point

13 Jun 2021, 23:53

Okay so this is what I see in the drop down for the Stack Frame;
Sam of Simple Samples 5,551 Reputation points

14 Jun 2021, 00:18

Thank you. And you can delay marking an answer as an answer until after the problem is solved.

We look at the stack frame from the bottom up, and in this case there might be many more lines that are not shown. As much as can be seen, your Main calls studentScoresForm.studentScoresForm. Actually that is a constructor so your Main is creating the form. The constructor is calling frmUpdateStudent.frmUpdateStudent; in other words, it is creating a frmUpdateStudent. Ignore the line saying [External Code]. It appears that frmUpdateStudent is creating a studentScoresForm; can you find where in the code that is being done? If so then that sets up a case of infinite recursion; it tries to create a studentScoresForm that creates a frmUpdateStudent that creates a studentScoresForm and that continues until there is no more stack space.
Imaad Isaacs 1 Reputation point

14 Jun 2021, 09:13

Thanks ive found where this was happening, got the program to run again. Thanks again

Answer 2

WayneAKing 4,926

14 Jun 2021, 00:12

Have you read and studied these?

StackOverflowException Class
https://learn.microsoft.com/en-us/dotnet/api/system.stackoverflowexception?view=net-5.0

C# catch a stack overflow exception
https://stackoverflow.com/questions/1599219/c-sharp-catch-a-stack-overflow-exception

Wayne

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