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				| Gets the field identifier. | 
			
			
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							enum ePOrderFld GetFieldID (     BSTR bsFieldName ) | 
						 
					 
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						| Parameters |  | bsFieldName |  | [in] A string containing the name of the field of which you want to know the identifier. |  |   |  | Return value |  
| Identifier of the field, e.g. porfSysNum (C++) or ePOrderFld.porfSysNum (C# / VB.NET). |  |   |  | Remarks |  
	
		
	  | If an identifier is given for a field that does not exist, this method will return -1. |  
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			| Samples | 
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							C++ | 
						 
						
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 // Retrieve the identifier of the 'system number'-field.
 ePOrderFld eFieldId = pPOrder->GetFieldID ("SysNum");
 
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							C# | 
						 
						
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 // Retrieve the identifier of the 'system number'-field.
 ePOrderFld eFieldId = oPOrder.GetFieldID ("SysNum");
 
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							VBS | 
						 
						
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 ' Retrieve the identifier of the 'system number'-field.
 Dim eFieldId
 eFieldId = oPOrder.GetFieldID("SysNum")
 
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							VB.NET | 
						 
						
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 ' Retrieve the identifier of the 'system number'-field.
 Dim eFieldId As ePOrderFld
 eFieldId = oPOrder.GetFieldID("SysNum")
 
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