C#

string wrong = "xyz";
result = int.Parse(wrong); // an exception is thrown here

string wrong = "xyz";
int result = -1;
bool success = int.TryParse(wrong, out result); // success is false, while result will still be -1

hopingToCode wrote:

only set to zero if there is no valid number

public static class ExtensionMethods
{
    /// <summary>
    /// Converts a string to an integer.
    /// </summary>
    /// <param name="value">The string to convert.</param>
    /// <returns>The integer value of the string if valid; otherwise, zero.</returns>
    public static Int32 ToInt32(this string value)
    {
        int result;
        Int32.TryParse(value, out result);
        return result;
    }
}

int intFromFile = stringFromFile.ToInt32();

string x = "10";
int xInt;
try
{
xInt = Convert.ToInt32(x);
}
catch
{
xInt = 0;
}

williamnw wrote:

[assembly:AssemblyVersion("1.2.*")]

Simon Stevens wrote:

It always just gives me a version of "1.2.*" on the actual file.