我有SQL查询 - 我想转换为OLEDB查询：

Question

我的格式如下：

ID  NARR3

1   One
2   Two
1   One
2   Four
2   Five

我需要这样的输出：

 ID NARR3

 1  One
 2  Five,Four,Two

我尝试了以下SQL服务器查询，它运行正常。

select
t1.[ID],
 STUFF((select ',' + st.[NARR3]
        from (select Distinct(t.[NARR3]) from [IMMS$] t
        where t.[ID] = t1.[ID]) st       
        for xml path 
 )1,1,'') as [NARR3]

from [IMMS] t1
group by [ID]

但我希望这可以与OLEDB连接一起使用。当我尝试使用OLEDB连接运行时，出现以下错误：

Syntax error in query expression 'STUFF((select ',' + st.[NARR3] from (select Distinct(t.[NARR3]) from [IMMS] t where t.[ID] = t1.[ID]) st for xml path),1,1,'')'.

我使用的dotnet代码如下：

DataTable dt = new DataTable();
using (Command com = new Command(connection, query, st, 0))
{
    dt = com.PopulateDataTable(dt);
    dt.TableName = tablename;
}
return dt;

where 
connection = Provider=Microsoft.ACE.OLEDB.12.0;Data Source=C:\\IMMS SHEET FILLED WITH DETAILS1.xlsx;Extended Properties='Excel 12.0 XML;IMEX=1;HDR=YES';
tableName = Table1
query = Above query
st = OLEDB

PopulateDataTable函数如下：

public DataTable PopulateDataTable(DataTable dt)
{
   _connection.Open();
   using (_adapter)
   {
       _adapter.Fill(dt);enter code here
   }    
   _connection.Close();//conn
   return dt;
}

帮助将非常值得注意。我不知道OLEDB查询中缺少什么。