public class Plu
{
private SM_EANData ean_date;//EAN数据
public SM_EANData EAN_Data
{
get { return ean_date; }
set { ean_date = value; }
}
public Plu()
{
}
}
public class SM_EANData
{
private long barcodetype;
public long BarCodeType
{
get { return barcodetype; }
set { barcodetype = value; }
}
public SM_EANData()
{
}
}
//============================================
Plu plu = new Plu();
plu.EAN_Data.BarCodeType = 132456;//这里出错 未将对象引用设置到对象的实例。
{
private SM_EANData ean_date;//EAN数据
public SM_EANData EAN_Data
{
get { return ean_date; }
set { ean_date = value; }
}
public Plu()
{
}
}
public class SM_EANData
{
private long barcodetype;
public long BarCodeType
{
get { return barcodetype; }
set { barcodetype = value; }
}
public SM_EANData()
{
}
}
//============================================
Plu plu = new Plu();
plu.EAN_Data.BarCodeType = 132456;//这里出错 未将对象引用设置到对象的实例。
{
private SM_EANData ean_date = new SM_EANData();
...
}
{
set
{
ean_date. BarCodeType=value;
}
}然后
Plu plu = new Plu();
SM_EANData newInstance=new SM_EANData ();
plu. EAN_Data=newInstance;
plu.SetBarCodeType= 132456;