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Reflection in SAP B1 SDK

Jan 11, 2017 at 12:00 PM | 91 Views

Hi, ALL

I'm trying to implement a reflection over the BusinessPartners object, but I'm getting the following error: "Object reference not set to an instance of an object.".

Bellow follows the source code:

 BusinessPartners PN = sapCom.Company.GetBusinessObject(BoObjectTypes.oBusinessPartners);

            Type BussinessPartnesType = PN.GetType(); // typeof(BusinessPartners);
            PropertyInfo propertySet = BussinessPartnesType.GetProperty("CardName", BindingFlags.Instance);
            propertySet.SetValue(PN, "BusinessPartners Test", null);
            PN.Add();

What can be done to achieve a similar result?
SAP Business One SDK
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  • Edy Simon
    Jan 12, 2017 at 12:51 AM

    Your code should work also with the following change.

    Type BussinessPartnesType = PN.GetType();// typeof(BusinessPartners);

    to

    Type BussinessPartnesType = typeof(SAPbobsCOM.IBusinessPartners);

    Note that you need to get the Interface, not the class it self. (IBusinessPartners, not BusinessPartners)

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    DIEGO LOTHER
    Jan 11, 2017 at 12:30 PM

    Hi Andrew,

    Try to use the InvokeMember method like below:

    BusinessPartners PN = oCompany.GetBusinessObject(BoObjectTypes.oBusinessPartners);


Type BusinessPartnesType = PN.GetType();
BusinessPartnesType.InvokeMember("CardName", BindingFlags.SetProperty | BindingFlags.Instance | BindingFlags.Public, null, PN, new object[] { "BusinessPartners Test" });
Console.WriteLine(PN.CardName);

    Kind Regards,

    Diego Lother

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