Ms access 从SQL Where条件创建查询
我想基于同一表单中上一条语句中的Where条件创建一个查询,但运行按钮时未创建该查询 大概是这样的:Ms access 从SQL Where条件创建查询,ms-access,vba,Ms Access,Vba,我想基于同一表单中上一条语句中的Where条件创建一个查询,但运行按钮时未创建该查询 大概是这样的: Dim qdf As QueryDef strSql = "SELECT * FROM qryEvents WHERE strWhere" 'Delete the query if it already exists DoCmd.DeleteObject acQuery, "qryEvents_Search" Set qdf = CurrentDb.CreateQueryDef("qryE
Dim qdf As QueryDef
strSql = "SELECT * FROM qryEvents WHERE strWhere"
'Delete the query if it already exists
DoCmd.DeleteObject acQuery, "qryEvents_Search"
Set qdf = CurrentDb.CreateQueryDef("qryEvents_Search", strWhere)
DoCmd.OpenQuery "qryEvents_Search"
'release memory
qdf.Close
Set qdf = Nothing
其中条件部分为:
If Len(strWhere) > 0 Then
If Nz(DCount("*", "qryEvents", Left(strWhere, Len(strWhere) - 0)), 0) > 0 Then
strWhere = "WHERE " & Left(strWhere, Len(strWhere) - 0)
strSQL = "SELECT * FROM qryEvents " & strWhere & ";"
WHERE子句不进行查询。您也需要选择零件 e、 g
请在使用代码时共享代码。在顶部,您正在构造
strSql
,但随后仅将strWhere
传递给CreateQueryDef
,并产生了更多错误,底部对我来说更不清楚。
strNewSql = "SELECT * FROM otherEvents " & strWhere
Set qdf = CurrentDb.CreateQueryDef("qryEvents_Search", strNewSql)