Converting double type to string using invariant culture crashes the client

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Posted on by psined

Hi,

For the purposes of serializing some real data to XML I'm using .Net libraries to format real to double and then to string. Here's a simple code:

static void Job42(Args _args)
{
    real QtyFactor = 0.5;
    System.Double netDouble;
    str val;

    netDouble = Global::real2double(QtyFactor);
    if (QtyFactor > 0.0 && QtyFactor < 1.0) breakpoint;
    val = netDouble.ToString("F", new System.Globalization.CultureInfo(""));
    info(val);
}

The code compiles just fine. However when execution goes over the line with ToString() call the entire AX client bugs out with crash. Restarting AOS does not help.

Should I change the code as follows everything works and prints "0,5":

static void Job42(Args _args)
{
    real QtyFactor = 0.5;
    System.Double netDouble;
    str val;

    netDouble = Global::real2double(QtyFactor);
    if (QtyFactor > 0.0 && QtyFactor < 1.0) breakpoint;
    val = netDouble.ToString();
    info(val);
}

Any ideas?

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psined on at

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Should I change the code as follows, everything works:

static void Job42(Args _args) { real QtyFactor = 324234.5345235345345; System.Double netDouble; str val; System.Globalization.CultureInfo ci = System.Globalization.CultureInfo::get_InvariantCulture(); netDouble = Global::real2double(QtyFactor); //if (QtyFactor > 0.0 && QtyFactor < 1.0) breakpoint; //the following works the same as - num2str(QtyFactor, 0, 17, 1, 0); val = netDouble.ToString("F", ci); info(val); }

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psined on at

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while the above workaround works for me, it seems like there is a CLR marshaling issue with certain datatypes in AX runtime

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