public static T To <T>(this IConvertible value, IConvertible ifError)
{
try
{
Type t = typeof(T);
Type u = Nullable.GetUnderlyingType(t);
if (u != null)
{
if (value == null || value.Equals(""))
{
return((T)ifError);
}
return((T)Convert.ChangeType(value, u));
}
else
{
if (value == null || value.Equals(""))
{
return((T)(ifError.To <T>()));
}
return((T)Convert.ChangeType(value, t));
}
}
catch
{
return((T)ifError);
}
}