请教有关于动态SQL语句的问题！！！

SET QUOTED_IDENTIFIER OFF
GO
SET ANSI_NULLS ON
GO
/*-------------------------------------------------------------------------
对象名称：P_GetConsultationInfo
描述： 获取问题咨询的所有信息
参数：@Employee 问题咨询发起人
@Title 问题标题
@风险类别
历史：
类型 作者 开始日期 结束日期 状态 版本
--------------------------------------------------------------------------
创建 梁远华 完成 1.00
修改
-------------------------------------------------------------------------*/
ALTER PROCEDURE P_GetConsultationInfo
(
@Employee varchar(50),
@Title varchar(60),
@ConsultationID INT
)

AS
DECLARE @SQL VARCHAR(1000),@SQLWHERE VARCHAR(300)
SET @SQL = @SQL + 'SELECT T_ConsultationInfo.Department, T_Consultation.Name,'
SET @SQL = @SQL + 'T_Consultation.Code, T_ConsultationInfo.RiskMemo,'
SET @SQL = @SQL + 'T_ConsultationInfo.ConsultationMemo, T_ConsultationInfo.Imperative,'
SET @SQL = @SQL + 'T_ConsultationInfo.ConsultationFocus, T_ConsultationInfo.ConsultationName,'
SET @SQL = @SQL + 'T_ConsultationInfo.ConsultationNumber, T_ConsultationInfo.EditDate,'
SET @SQL = @SQL + 'T_ConsultationInfo.SubmitDate, T_ConsultationInfo.EndEditer,'
SET @SQL = @SQL + 'T_ConsultationInfo.Auditingflg, T_ConsultationInfo.DepartmentID,'
SET @SQL = @SQL + 'T_ConsultationInfo.Title, T_ConsultationInfo.RiskKeep,'
SET @SQL = @SQL + 'T_ConsultationInfo.Secrecy, T_ConsultationInfo.Employee,'
SET @SQL = @SQL + 'T_ConsultationInfo.EmployeeID, T_ConsultationInfo.ID AS ID,'
SET @SQL = @SQL + 'T_ConsultationInfo.FlowID, T_WorkFlow.FlowID AS WorkFlowID'
SET @SQL = @SQL + ' FROM T_ConsultationInfo INNER JOIN '
SET @SQL = @SQL + ' T_Consultation ON '
SET @SQL = @SQL + ' T_ConsultationInfo.ConsultationID = T_Consultation.ID INNER JOIN '
SET @SQL = @SQL + ' T_WorkFlow ON T_ConsultationInfo.FlowID = T_WorkFlow.ID'
IF (@Employee <> '')
SET @SQLWHERE = ' T_ConsultationInfo.Employee = ' + @Employee
IF (@ConsultationID <> '' AND @SQLWHERE <> '')
SET @SQLWHERE = @SQLWHERE + ' AND T_ConsultationInfo.ConsultationID ='+@ConsultationID
ELSE
SET @SQLWHERE = @SQLWHERE + ' T_ConsultationInfo.ConsultationID ='+@ConsultationID
IF (@Title <> '' AND @SQLWHERE <> '' )
SET @SQLWHERE = @SQLWHERE + ' AND dbo.T_ConsultationInfo.Title LIKE %'+@Title+'%'
ELSE
SET @SQLWHERE = @SQLWHERE + ' dbo.T_ConsultationInfo.Title LIKE %'+@Title+'%'
IF (@SQLWHERE <> '')
SET @SQL = @SQL + ' WHERE ' +@SQLWHERE
EXEC (@SQL)

execute P_GetConsultationInfo '','',''
当我调用这个SP时，没有列出现，只有“命令已成功完成”提示，是否那里出错了，我查询不到任何数据，数据库中存在了相关的数据。