如何将 SQL 查询的结果保存到 VBA 中的变量中？
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时间：2020-09-01 01:57:58 来源:igfitidea点击:
How to save the result of a SQL query into a variable in VBA?
提问by k0enf0rNL
I want to execute a select statement and put the result of it (which is only 1 record with 1 value) in a variable.
我想执行一个 select 语句并将它的结果（只有 1 个记录和 1 个值）放在一个变量中。
This is in VBA code in access.
这是在 VBA 代码中访问的。
Private Sub Child_Click()
Dim Childnummer As Integer
Dim childnaam As String
Childnummer = Me.Keuzelijst21.Value
DoCmd.Close
DoCmd.OpenForm "submenurubrieken", acNormal, , " rubrieknummer = " & Childnummer & ""
childnaam = rubrieknaamSQL(Childnummer)
Forms!submenurubrieken.Tv_rubrieknaam.Value = childnaam
End Sub
Public Function rubrieknaamSQL(Child As Integer)
Dim rst As DAO.Recordset
Dim strSQL As String
strSQL = "SELECT rubrieknaam FROM dbo_tbl_rubriek where rubrieknummer = " & Child & ""
Set rst = CurrentDb.OpenRecordset(strSQL)
End Function
回答by Gord Thompson
Simply have your Function return the value from the Recordset:
只需让您的函数从 Recordset 返回值：
Public Function rubrieknaamSQL(Child As Integer)
Dim rst As DAO.Recordset
Dim strSQL As String
strSQL = "SELECT rubrieknaam FROM dbo_tbl_rubriek where rubrieknummer = " & Child & ""
Set rst = CurrentDb.OpenRecordset(strSQL)
' new code:
rubrieknaamSQL = rst!rubrieknaam
rst.Close
Set rst = Nothing
End Function
