C# Debugging help

// Prevents non-numeric data entry // Then prevents division by 0 using System; using static System.Console; class DebugEleven02 { static void Main() { int num = 0, denom = 0; double result; bool dataEntryIsValid; while(!dataEntryIsValid) { try { DataEntry(num, denom); dataEntryIsValid = true; } catch(FormatException e) { WriteLine("Invalid entry - please enter numbers"); } } try { result = num * 1.0 / denom; WriteLine("Division is successful"); } catch(DivideByZeroException e) { WriteLine("Division failed") result = 0; } WriteLine("Result is {0}", result); } public static void DataEntry(out int num, out int denom) { Write("Enter a number "); if(!int.TryParse(ReadLine, out num)) Console.WriteLine("Numerator was set to 0"); Write("Enter a number to divide into the first "); if(int.TryParse(ReadLine(), out denom)) WriteLine("Denominator was set to 0"); } }