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如何判斷一個(gè)字段是否在表中_Access數(shù)據(jù)庫教程

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推薦:淺析在Access中模擬SqlServer存儲(chǔ)過程翻頁
sql server中翻頁存儲(chǔ)過程: Create PROC blog_GetPagedPosts ( @PageIndex int, @PageSize int, @BlogID int=0, @PostType int=-1, @CategoryID int=-1, @Hiding bit =0, @Count int output ) as DECLARE @PageLowerBound int DECLARE @PageUpperBound int S

'判斷一個(gè)字段是否在表中
Function BlnField(sTblName As String, sFldName As String) As Boolean

'sTblName 源表名
'要查找的字段名

Dim fld As Field
Dim rs As DAO.Recordset

BlnField = False
Set rs = CurrentDb.OpenRecordset(sTblName)
rs.Fields.Refresh
For Each fld In rs.Fields
If fld.Name = sFldName Then
BlnField = True
Exit For
End If
Next
rs.Close
Set rs = Nothing
Set fld = Nothing
End Function

Private Sub 命令0_Click()
'返回True則有此字段,F(xiàn)alse則無
MsgBox BlnField("tbl1", "ID")
End Sub
 

 

分享:淺談在ACCESS中LIKE的用法
Access里like的通配符用法是這樣: “?”表示任何單一字符; “*”表示零個(gè)或多個(gè)字符; “#”表示任何一個(gè)數(shù)字 所以應(yīng)該是: select * from databasename where fieldname like '*XX*' 原來在SQL SERVER 里是用%%的,在ACCESS里是用**號的,怪不得都找不到數(shù)

來源:模板無憂//所屬分類:Access數(shù)據(jù)庫教程/更新時(shí)間:2010-02-16
相關(guān)Access數(shù)據(jù)庫教程