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首页 - 经验之谈 - 用VB建立Access数据库结构
发表评论(0)作者:不详, 平台:VB6.0+Win98, 阅读:11945, 日期:2001-07-07
用VB建立Access数据库结构
Private Sub Command1_Click()

On Error GoTo Err100

注释:定义表与字段
Dim DefDatabase As Database
Dim DefTable As TableDef, DefField As Field

Set DefDatabase = Workspaces(0).OpenDatabase(App.Path & "\vbeden.mdb", 0, False)
Set DefTable = DefDatabase.CreateTableDef("VB编程乐园")

注释:dbBinary = 9
注释:dbBoolean = 1
注释:dbByte = 2
注释:dbChar=18
注释:dbDate=8
注释:dbInteger=3
注释:dbLong=4
注释:dbMemo=12
注释:dbText=10

注释:建立Name字段为8个字符型
Set DefField = DefTable.CreateField("Name", dbText, 8)
DefTable.Fields.Append DefField

Set DefField = DefTable.CreateField("Sex", dbText, 2)
DefTable.Fields.Append DefField

注释:该字段允许为空
DefField.AllowZeroLength = True
注释:建立Age字段为3个的常整型
Set DefField = DefTable.CreateField("Age", dbInteger, 3)
注释:字段追加
DefTable.Fields.Append DefField

注释:表追加
DefDatabase.TableDefs.Append DefTable

MsgBox " VB编程乐园数据库建立完成!", vbInformation

Exit Sub

Err100:
MsgBox "对不起,不能建立表。请先再建表前建立VBEden数据库? ", vbCritical

End Sub

Private Sub cmdCreate_Click()

On Error GoTo Err100

注释:建立名为 VBEDEN 的数据库
CreateDatabase "VB-CODE", dbLangGeneral

MsgBox "数据库建立完成! ", vbInformation

Exit Sub

Err100:
MsgBox "不能建立数据库! " & vbCrLf & vbCrLf & Err.Description, vbInformation

End Sub