class Ae
 {
  private string _InputValue;
  private char _Delimiter;
  public Ae(string inputValue, char delimiter)
  {
   this._InputValue = inputValue;
   this._Delimiter = delimiter;
  }
 }

public string[] StringToStringArray()
  {
   return _InputValue.Split(new char[] { _Delimiter },
   StringSplitOptions.RemoveEmptyEntries);
  }

public void StringArrayToIntArray()
  {
   string[] stringArray = StringToStringArray();
   int length = stringArray.Length;
   int[] intArray = new int[length];
   for (int i = 0; i < length; i++)
   {
    try
    {
     intArray[i] = Convert.ToInt32(stringArray[i]);
    }
    catch (Exception)
    {
     // ...
    }
   }
  }

public void StringArrayToIntArray()
  {
   string[] stringArray = StringToStringArray();
   int length = stringArray.Length;
   int[] intArray = new int[length];   
   intArray = Array.ConvertAll<string, int>(stringArray, int.Parse);
  }