DTS_W_EXPREVALUNREFERENCEDINPUTCOLUMN 字段
The "%1" on "%2" has usage type READONLY, but is not referenced by an expression. Remove the column from the list of available input columns, or reference it in an expression.
命名空间： Microsoft.SqlServer.Dts.Runtime
程序集： Microsoft.SqlServer.ManagedDTS（在 Microsoft.SqlServer.ManagedDTS.dll 中）
语法
声明
Public Const DTS_W_EXPREVALUNREFERENCEDINPUTCOLUMN As Integer
用法
Dim value As Integer
value = HResults.DTS_W_EXPREVALUNREFERENCEDINPUTCOLUMN
public const int DTS_W_EXPREVALUNREFERENCEDINPUTCOLUMN
public:
literal int DTS_W_EXPREVALUNREFERENCEDINPUTCOLUMN
static val mutable DTS_W_EXPREVALUNREFERENCEDINPUTCOLUMN: int
public const var DTS_W_EXPREVALUNREFERENCEDINPUTCOLUMN : int