form1.ebf

windows mobile 应用程序开发实践一书的源代码

VERSION 5.00
Object = "{532C2BF5-6B55-11D1-9AA5-00C04FAD5AEC}#1.0#0"; "MSCEGRID.DLL"
Begin VB.Form Form1 
   Appearance      =   0  'Flat
   BackColor       =   &H00FFC0FF&
   Caption         =   "Form1"
   ClientHeight    =   4815
   ClientLeft      =   60
   ClientTop       =   840
   ClientWidth     =   3855
   ForeColor       =   &H80000008&
   ScaleHeight     =   4815
   ScaleWidth      =   3855
   ShowOK          =   -1  'True
   Begin GRIDLibCtl.GridCtrl datagrid 
      Height          =   3135
      Left            =   0
      TabIndex        =   0
      Top             =   360
      Width           =   3495
      _cx             =   6165
      _cy             =   5530
      BackColor       =   16777215
      BackColorBkg    =   8421504
      BackColorSel    =   6956042
      Cols            =   2
      FillStyle       =   0
      FocusRect       =   1
      ForeColor       =   0
      ForeColorSel    =   16777215
      GridColor       =   12632256
      GridLines       =   1
      GridLineWidth   =   1
      HighLight       =   1
      Redraw          =   -1  'True
      RowHeightMin    =   0
      Rows            =   2
      ScrollBars      =   3
      ScrollTrack     =   0   'False
      SelectionMode   =   0
      TextStyle       =   0
      WordWrap        =   0   'False
      Enabled         =   -1  'True
   End
   Begin VBCE.CommandButton addfield 
      Height          =   375
      Left            =   600
      TabIndex        =   4
      Top             =   3720
      Width           =   855
      _cx             =   1508
      _cy             =   661
      BackColor       =   12632256
      Caption         =   "删除字段"
      Enabled         =   -1  'True
      BeginProperty Font {0BE35203-8F91-11CE-9DE3-00AA004BB851} 
         Name            =   "Tahoma"
         Size            =   9
         Charset         =   0
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Style           =   0
   End
   Begin VBCE.CommandButton but_tuicu 
      Height          =   375
      Left            =   1800
      TabIndex        =   3
      Top             =   3720
      Width           =   975
      _cx             =   1720
      _cy             =   661
      BackColor       =   12632256
      Caption         =   "退   出"
      Enabled         =   -1  'True
      BeginProperty Font {0BE35203-8F91-11CE-9DE3-00AA004BB851} 
         Name            =   "Tahoma"
         Size            =   9
         Charset         =   0
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Style           =   0
   End
   Begin VBCE.Label Label1 
      Height          =   255
      Left            =   0
      TabIndex        =   2
      Top             =   0
      Width           =   615
      _cx             =   1085
      _cy             =   450
      AutoSize        =   0   'False
      BackColor       =   -2147483645
      BackStyle       =   1
      BorderStyle     =   0
      Caption         =   "表名"
      Enabled         =   -1  'True
      BeginProperty Font {0BE35203-8F91-11CE-9DE3-00AA004BB851} 
         Name            =   "Tahoma"
         Size            =   9
         Charset         =   0
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      ForeColor       =   -2147483640
      Alignment       =   0
      UseMnemonic     =   -1  'True
      WordWrap        =   0   'False
   End
   Begin VBCE.ComboBox cb_table 
      Height          =   300
      Left            =   600
      TabIndex        =   1
      Top             =   0
      Width           =   1935
      List            =   "Form1.frx":0000
      ItemData        =   "Form1.frx":0028
      _cx             =   3413
      _cy             =   529
      BackColor       =   16761024
      Enabled         =   -1  'True
      BeginProperty Font {0BE35203-8F91-11CE-9DE3-00AA004BB851} 
         Name            =   "Tahoma"
         Size            =   9
         Charset         =   0
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      ForeColor       =   -2147483640
      Text            =   ""
      IntegralHeight  =   -1  'True
      Locked          =   0   'False
      Sorted          =   0   'False
      Style           =   0
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
 Option Explicit

Private Sub addfield_Click()

If datagrid.RowSel < 0 Then
MsgBox "选择字段", vbOKOnly, "提醒"
Exit Sub
ElseIf datagrid.RowSel = 0 Then
MsgBox "不能选择系统结构字段名称", vbOKOnly + vbCritical, "提醒"
Exit Sub
End If
Dim tem As String
 tem = datagrid.TextMatrix(datagrid.RowSel, 0)
If Not table.State = adStateClosed Then
  table.Close
End If

Dim okornot As Integer
Dim sql As String
okornot = MsgBox("是否重新命名字段" & datagrid.TextMatrix(datagrid.RowSel, 0), vbOKCancel, "提醒")
If okornot = vbOK Then
    sql = "ALTER TABLE " & cb_table.List(cb_table.ListIndex) & " DROP " & datagrid.TextMatrix(datagrid.RowSel, 0)
    If vbOK = MsgBox(sql, vbQuestion + vbOKCancel, "是否重新命名字段") Then
    Connection.Execute sql
    If Err.Number > 0 Then
    MsgBox "重新命名字段错误", vbOKOnly, "是否重新命名字段"
    Else
     MsgBox "重新命名字段成功", vbOKOnly, "是否重新命名字段"
    End If
    Else
    Exit Sub
    End If
End If

End Sub
Private Sub but_tuicu_Click()

App.End

End Sub
Private Sub cb_table_Click()

If Not table.State = adStateClosed Then
table.Close
End If
 table.Open cb_table.List(cb_table.ListIndex), Connection
 If table.BOF And table.EOF Then
MsgBox cb_table.ListIndex & " 没有任何记录", vbOKOnly, "注意"
Exit Sub
ElseIf Len(cb_table.List(cb_table.ListIndex)) = 0 Then
Exit Sub
Else
showallfieldshasarray Form1
End If


End Sub



Private Sub Form_Load()


If Not table.State = adStateClosed Then
    table.Close
End If

 table.Open "MSysTables", Connection
 table.MoveFirst

Do While Not table.EOF
If table.fields("TableName") <> "MSysTables" And _
table.fields("TableName") <> "MSysFields" And _
table.fields("TableName") <> "MSysIndexes" And _
table.fields("TableName") <> "MSysProcs" Then
cb_table.AddItem table.fields("TableName")
End If
table.MoveNext
Loop
cb_table.ListIndex = 0

If Not table.State = adStateClosed Then
    table.Close
    table.Open cb_table.List(cb_table.ListIndex), Connection
    showallfieldshasarray Form1
End If

End Sub
Private Sub Form_OKClick()
App.End
End Sub