用 VB 建立 Access 数据库结构

来源:岁月联盟 编辑:zhu 时间:2007-02-01
  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("VBs")

  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