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How to capture out of memory exception in C#?
The System.OutOfMemoryException occurs when the CLR fail in allocating enough memory that is needed.
System.OutOfMemoryException is inherited from the System.SystemException class.
Set the strings −
string StudentName = "Tom"; string StudentSubject = "Maths";
Now you need to initialize with allocated Capacity that is the length of initial value −
StringBuilder sBuilder = new StringBuilder(StudentName.Length, StudentName.Length);
Now, if you will try to insert additional value, the exception occurs.
sBuilder.Insert(value: StudentSubject, index: StudentName.Length - 1, count: 1);
The following exception occurs −
System.OutOfMemoryException: Out of memory
To capture the error, try the following code −
Example
using System;
using System.Text;
namespace Demo {
class Program {
static void Main(string[] args) {
try {
string StudentName = "Tom";
string StudentSubject = "Maths";
StringBuilder sBuilder = new StringBuilder(StudentName.Length, StudentName.Length);
// Append initial value
sBuilder.Append(StudentName);
sBuilder.Insert(value: StudentSubject, index: StudentName.Length - 1, count: 1);
} catch (System.OutOfMemoryException e) {
Console.WriteLine("Error:");
Console.WriteLine(e);
}
}
}
}The above handles OutOfMemoryException and generates the following error −
Output
Error: System.OutOfMemoryException: Out of memory
Updated on: 20-Jun-2020
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