C#（MS Access）中FROM子句的语法错误_C#_Ms Access

C#（MS Access）中FROM子句的语法错误

c# ms-access

C#（MS Access）中FROM子句的语法错误,c#,ms-access,C#,Ms Access,从MS Access数据库访问数据时，我在from子句中遇到语法错误，但如果我在Access中运行相同的查询，我将获得所需的结果，而不会出现任何错误感谢您的帮助。这是我的密码 string strQuery = string.Empty ; strQuery = "SELECT TUCLRII.LUSID,TUCLRII.UserID,TUCLRII.LastName,TUCLRII.FirstName,TUCLRII.MI,TUCLRII.Sex,TUC

从MS Access数据库访问数据时，我在from子句中遇到语法错误，但如果我在Access中运行相同的查询，我将获得所需的结果，而不会出现任何错误

感谢您的帮助。这是我的密码

string strQuery = string.Empty  ;   


            strQuery = "SELECT TUCLRII.LUSID,TUCLRII.UserID,TUCLRII.LastName,TUCLRII.FirstName,TUCLRII.MI,TUCLRII.Sex,TUCLRII.WhichEye,TUCLRII.Memo1,TUCLRII.Memo2,TUCLRII.CreationDT, TUCLRII.LastModifiedDT,TUCLRII.CardID,TUCLRI.UCID,TUCLRII.WiegandData,TUCLRII.LIrisCodeID,TUCLRII.LWhichEye,TUCLRII.LIrisCode,TUCLRII.RIrisCodeID,TUCLRII.RWhichEye,TUCLRII.RIrisCode,TUCLRII.LIrisImage,TUCLRII.LImageFormat,TUCLRII.LImageSize,TUCLRII.LWhichEye,TUCLRII.RIrisImage,TUCLRII.RImageFormat,TUCLRII.RImageSize,TUCLRII.RWhichEye,TIM.ImageFormat,TIM.ImageSize,TIM.FaceImage,TIM.PictureTakenDT"; 
            strQuery += " FROM (SELECT TUCLRI.LUSID,TUCLRI.UUID,TUCLRI.UserID,TUCLRI.LastName,TUCLRI.FirstName,TUCLRI.MI,TUCLRI.Sex,TUCLRI.WhichEye,TUCLRI.Memo1,TUCLRI.Memo2,TUCLRI.CreationDT,TUCLRI.LastModifiedDT, TUCLRI.CardID, TUCLRI.UCID, TUCLRI.WiegandData, TUCLRI.LIrisCodeID ,TUCLRI.LWhichEye,TUCLRI.LIrisCode,TUCLRI.RIrisCodeID,TUCLRI.RWhichEye,TUCLRI.RIrisCode,TUCLRI.LIrisImage,TUCLRI.LImageFormat,TUCLRI.LImageSize,TUCLRI.LWhichEye,TRIM.IrisImage as RIrisImage,TRIM.ImageFormat as RImageFormat, TRIM.ImageSize as RImageSize, TRIM.WhichEye as RWhichEye";                 
            strQuery += " FROM (SELECT TUCLR.LUSID,TUCLR.UUID,TUCLR.UserID,TUCLR.LastName,TUCLR.FirstName,TUCLR.MI,TUCLR.Sex,TUCLR.WhichEye,TUCLR.Memo1,TUCLR.Memo2,TUCLR.CreationDT,TUCLR.LastModifiedDT,TUCLR.CardID,TUCLR.UCID,TUCLR.WiegandData,TUCLR.LIrisCodeID,TUCLR.LWhichEye,TUCLR.LIrisCode,TUCLR.RIrisCodeID,TUCLR.RWhichEye,TUCLR.RIrisCode,TLIM.IrisImage as LIrisImage,TLIM.ImageFormat as LimageFormat,TLIM.ImageSize as LImageSize,TLIM.WhichEye as LWhichEye";
            strQuery += " FROM (SELECT TUCI.LUSID,TUCI.UUID,TUCI.UserID,TUCI.LastName,TUCI.FirstName,TUCI.MI,TUCI.Sex,TUCI.WhichEye,TUCI.Memo1,TUCI.Memo2,TUCI.CreationDT,TUCI.LastModifiedDT,TUCI.CardID,TUCI.UCID,TUCI.WiegandData, TUCI.LIrisCodeID,TUCI.LWhichEye,TUCI.LIrisCode,TRI.IrisCodeID as RIrisCodeID,TRI.WhichEye as RWhichEye,TRI.IrisCode as RIrisCode";  
            strQuery += " FROM (SELECT TUC.LUSID,TUC.UUID,TUC.UserID,TUC.LastName,TUC.FirstName,TUC.MI,TUC.Sex,TUC.WhichEye,TUC.Memo1,TUC.Memo2,TUC.CreationDT,TUC.LastModifiedDT,TUC.CardID,TUC.UCID,TUC.WiegandData,TLI.IrisCodeID as LIrisCodeID,TLI.WhichEye as LWhichEye,TLI.IrisCode as LIrisCode";
            strQuery += " FROM (SELECT TU.LUSID,TU.UUID,TU.UserID,TU.LastName,TU.FirstName,TU.MI,TU.Sex,TU.WhichEye,TU.Memo1,TU.Memo2,TU.CreationDT,TU.LastModifiedDT,TC.CardID,TC.UCID,TC.WiegandData FROM UserInfo TU left join CardInfo TC on (TU.UUID=TC.UUID and TU.LUSID = 0)) TUC LEFT JOIN IrisCodeInfo TLI ON(TUC.UUID = TLI.UUID and TLI.WhichEye=1))TUCI LEFT JOIN IrisCodeInfo TRI ON(TUCI.UUID = TRI.UUID and TRI.WhichEye=2))TUCLR LEFT JOIN IrisImageInfo TLIM ON(TUCLR.UUID = TLIM.UUID and TLIM.WhichEye=1))TUCLRI LEFT JOIN IrisImageInfo TRIM ON(TUCLRI.UUID = TRIM.UUID and TRIM.WhichEye=2))TUCLRII LEFT JOIN FaceImageInfo TIM ON(TUCLRII.UUID = TIM.UUID)";

在JOIN子句中，括号周围缺少一些空格。不过，我不确定这是否是问题所在。

我将您的字符串语句放入

还有这个

SELECT tuclrii.lusid, 
       tuclrii.userid, 
       tuclrii.lastname, 
       tuclrii.firstname, 
       tuclrii.mi, 
       tuclrii.sex, 
       tuclrii.whicheye, 
       tuclrii.memo1, 
       tuclrii.memo2, 
       tuclrii.creationdt, 
       tuclrii.lastmodifieddt, 
       tuclrii.cardid, 
       tuclri.ucid, 
       tuclrii.wieganddata, 
       tuclrii.liriscodeid, 
       tuclrii.lwhicheye, 
       tuclrii.liriscode, 
       tuclrii.ririscodeid, 
       tuclrii.rwhicheye, 
       tuclrii.ririscode, 
       tuclrii.lirisimage, 
       tuclrii.limageformat, 
       tuclrii.limagesize, 
       tuclrii.lwhicheye, 
       tuclrii.ririsimage, 
       tuclrii.rimageformat, 
       tuclrii.rimagesize, 
       tuclrii.rwhicheye, 
       tim.imageformat, 
       tim.imagesize, 
       tim.faceimage, 
       tim.picturetakendt 
FROM   (SELECT tuclri.lusid, 
               tuclri.uuid, 
               tuclri.userid, 
               tuclri.lastname, 
               tuclri.firstname, 
               tuclri.mi, 
               tuclri.sex, 
               tuclri.whicheye, 
               tuclri.memo1, 
               tuclri.memo2, 
               tuclri.creationdt, 
               tuclri.lastmodifieddt, 
               tuclri.cardid, 
               tuclri.ucid, 
               tuclri.wieganddata, 
               tuclri.liriscodeid, 
               tuclri.lwhicheye, 
               tuclri.liriscode, 
               tuclri.ririscodeid, 
               tuclri.rwhicheye, 
               tuclri.ririscode, 
               tuclri.lirisimage, 
               tuclri.limageformat, 
               tuclri.limagesize, 
               tuclri.lwhicheye, 
               TRIM.irisimage   AS ririsimage, 
               TRIM.imageformat AS rimageformat, 
               TRIM.imagesize   AS rimagesize, 
               TRIM.whicheye    AS rwhicheye 
        FROM   (SELECT tuclr.lusid, 
                       tuclr.uuid, 
                       tuclr.userid, 
                       tuclr.lastname, 
                       tuclr.firstname, 
                       tuclr.mi, 
                       tuclr.sex, 
                       tuclr.whicheye, 
                       tuclr.memo1, 
                       tuclr.memo2, 
                       tuclr.creationdt, 
                       tuclr.lastmodifieddt, 
                       tuclr.cardid, 
                       tuclr.ucid, 
                       tuclr.wieganddata, 
                       tuclr.liriscodeid, 
                       tuclr.lwhicheye, 
                       tuclr.liriscode, 
                       tuclr.ririscodeid, 
                       tuclr.rwhicheye, 
                       tuclr.ririscode, 
                       tlim.irisimage   AS lirisimage, 
                       tlim.imageformat AS limageformat, 
                       tlim.imagesize   AS limagesize, 
                       tlim.whicheye    AS lwhicheye 
                FROM   (SELECT tuci.lusid, 
                               tuci.uuid, 
                               tuci.userid, 
                               tuci.lastname, 
                               tuci.firstname, 
                               tuci.mi, 
                               tuci.sex, 
                               tuci.whicheye, 
                               tuci.memo1, 
                               tuci.memo2, 
                               tuci.creationdt, 
                               tuci.lastmodifieddt, 
                               tuci.cardid, 
                               tuci.ucid, 
                               tuci.wieganddata, 
                               tuci.liriscodeid, 
                               tuci.lwhicheye, 
                               tuci.liriscode, 
                               tri.iriscodeid AS ririscodeid, 
                               tri.whicheye   AS rwhicheye, 
                               tri.iriscode   AS ririscode 
                        FROM   (SELECT tuc.lusid, 
                                       tuc.uuid, 
                                       tuc.userid, 
                                       tuc.lastname, 
                                       tuc.firstname, 
                                       tuc.mi, 
                                       tuc.sex, 
                                       tuc.whicheye, 
                                       tuc.memo1, 
                                       tuc.memo2, 
                                       tuc.creationdt, 
                                       tuc.lastmodifieddt, 
                                       tuc.cardid, 
                                       tuc.ucid, 
                                       tuc.wieganddata, 
                                       tli.iriscodeid AS liriscodeid, 
                                       tli.whicheye   AS lwhicheye, 
                                       tli.iriscode   AS liriscode 
                                FROM   (SELECT tu.lusid, 
                                               tu.uuid, 
                                               tu.userid, 
                                               tu.lastname, 
                                               tu.firstname, 
                                               tu.mi, 
                                               tu.sex, 
                                               tu.whicheye, 
                                               tu.memo1, 
                                               tu.memo2, 
                                               tu.creationdt, 
                                               tu.lastmodifieddt, 
                                               tc.cardid, 
                                               tc.ucid, 
                                               tc.wieganddata 
                                        FROM   userinfo tu 
                                               LEFT JOIN cardinfo tc 
                                                 ON ( tu.uuid = tc.uuid 
                                                      AND tu.lusid = 0 )) tuc 
                                       LEFT JOIN iriscodeinfo tli 
                                         ON( tuc.uuid = tli.uuid 
                                             AND tli.whicheye = 1 ))tuci 
                               LEFT JOIN iriscodeinfo tri 
                                 ON( tuci.uuid = tri.uuid 
                                     AND tri.whicheye = 2 ))tuclr 
                       LEFT JOIN irisimageinfo tlim 
                         ON( tuclr.uuid = tlim.uuid 
                             AND tlim.whicheye = 1 ))tuclri 
               LEFT JOIN irisimageinfo TRIM 
                 ON( tuclri.uuid = TRIM.uuid 
                     AND TRIM.whicheye = 2 ))tuclrii 
       LEFT JOIN faceimageinfo tim 
         ON( tuclrii.uuid = tim.uuid )

您似乎为每个联接创建了一个内联视图

在语法上，我觉得它很好，但可能Access不喜欢它。当你只需要使用标准连接时，这是一种非常低效的连接方式

SELECT tu.lusid, 
       tu.userid, 
       tu.lastname, 
       tu.firstname, 
       tu.mi, 
       tu.sex, 
       tu.whicheye, 
       tu.memo1, 
       tu.memo2, 
       tu.creationdt, 
       tu.lastmodifieddt, 
       tc.cardid, 
       tc.ucid, 
       tc.wieganddata, 
       tli.iriscodeid AS liriscodeid, 
       tli.whicheye   AS lwhicheye, 
       tli.iriscode   AS liriscode 
       tri.iriscodeid AS ririscodeid, 
       tri.whicheye   AS rwhicheye, 
       tri.iriscode   AS ririscode,  
       tlim.irisimage   AS lirisimage, 
       tlim.imageformat AS limageformat, 
       tlim.imagesize   AS limagesize, 
       tlim.whicheye    AS lwhicheye 
       TRIM.irisimage   AS ririsimage, 
       TRIM.imageformat AS rimageformat, 
       TRIM.imagesize   AS rimagesize, 
       TRIM.whicheye    AS rwhicheye 
       tim.imageformat, 
       tim.imagesize, 
       tim.faceimage, 
       tim.picturetakendt
FROM   
    userinfo tu 
    LEFT JOIN cardinfo tc 
    ON ( tu.uuid = tc.uuid 
         AND tu.lusid = 0 )
    LEFT JOIN iriscodeinfo tli 
    ON( tu.uuid = tli.uuid 
        AND tli.whicheye = 1 )
    LEFT JOIN iriscodeinfo tri 
    ON( tu.uuid = tri.uuid 
        AND tri.whicheye = 2 )
    LEFT JOIN irisimageinfo tlim 
        ON( tli.uuid = tlim.uuid 
        AND tlim.whicheye = 1 )
    LEFT JOIN irisimageinfo TRIM 
            ON( tri.uuid = TRIM.uuid 
               AND TRIM.whicheye = 2 )
       LEFT JOIN faceimageinfo tim 
         ON( tu.uuid = tim.uuid )