Generic TryParse

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You should use the TypeDescriptor class:

public static T Convert<T>(this string input)
{
    try
    {
        var converter = TypeDescriptor.GetConverter(typeof(T));
        if(converter != null)
        {
            // Cast ConvertFromString(string text) : object to (T)
            return (T)converter.ConvertFromString(input);
        }
        return default(T);
    }
    catch (NotSupportedException)
    {
        return default(T);
    }
}

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