?? eachstuinfor.frm
字號:
VERSION 5.00
Object = "{67397AA1-7FB1-11D0-B148-00A0C922E820}#6.0#0"; "MSADODC.OCX"
Object = "{CDE57A40-8B86-11D0-B3C6-00A0C90AEA82}#1.0#0"; "MSDATGRD.OCX"
Begin VB.Form FrmEachStuInfor
Caption = "各省學生信息"
ClientHeight = 6900
ClientLeft = 60
ClientTop = 450
ClientWidth = 8505
LinkTopic = "Form1"
ScaleHeight = 6900
ScaleWidth = 8505
StartUpPosition = 2 '屏幕中心
Begin MSAdodcLib.Adodc Adodc1
Height = 495
Left = 2160
Top = 6240
Width = 3735
_ExtentX = 6588
_ExtentY = 873
ConnectMode = 0
CursorLocation = 3
IsolationLevel = -1
ConnectionTimeout= 15
CommandTimeout = 30
CursorType = 3
LockType = 3
CommandType = 8
CursorOptions = 0
CacheSize = 50
MaxRecords = 0
BOFAction = 0
EOFAction = 0
ConnectStringType= 1
Appearance = 1
BackColor = -2147483643
ForeColor = -2147483640
Orientation = 0
Enabled = -1
Connect = ""
OLEDBString = ""
OLEDBFile = ""
DataSourceName = ""
OtherAttributes = ""
UserName = ""
Password = ""
RecordSource = ""
Caption = "Adodc1"
BeginProperty Font {0BE35203-8F91-11CE-9DE3-00AA004BB851}
Name = "宋體"
Size = 9
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
_Version = 393216
End
Begin MSDataGridLib.DataGrid DataGrid1
Height = 6015
Left = 120
TabIndex = 0
Top = 120
Width = 8175
_ExtentX = 14420
_ExtentY = 10610
_Version = 393216
BackColor = 65535
ForeColor = 65535
HeadLines = 1
RowHeight = 15
BeginProperty HeadFont {0BE35203-8F91-11CE-9DE3-00AA004BB851}
Name = "宋體"
Size = 9
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
BeginProperty Font {0BE35203-8F91-11CE-9DE3-00AA004BB851}
Name = "宋體"
Size = 9
Charset = 134
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
ColumnCount = 2
BeginProperty Column00
DataField = ""
Caption = ""
BeginProperty DataFormat {6D835690-900B-11D0-9484-00A0C91110ED}
Type = 0
Format = ""
HaveTrueFalseNull= 0
FirstDayOfWeek = 0
FirstWeekOfYear = 0
LCID = 2052
SubFormatType = 0
EndProperty
EndProperty
BeginProperty Column01
DataField = ""
Caption = ""
BeginProperty DataFormat {6D835690-900B-11D0-9484-00A0C91110ED}
Type = 0
Format = ""
HaveTrueFalseNull= 0
FirstDayOfWeek = 0
FirstWeekOfYear = 0
LCID = 2052
SubFormatType = 0
EndProperty
EndProperty
SplitCount = 1
BeginProperty Split0
BeginProperty Column00
EndProperty
BeginProperty Column01
EndProperty
EndProperty
End
End
Attribute VB_Name = "FrmEachStuInfor"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Dim rs_Prov As New ADODB.Recordset
Public MyConnection As ADODB.Connection
Public ConString As String
Private Sub Form_Load()
DataGrid1.AllowAddNew = False
DataGrid1.AllowDelete = False
DataGrid1.AllowUpdate = False
Dim sqlProv As String
Set MyConnection = New ADODB.Connection
ConString = "Provider=MSDASQL.1;Persist Security Info=False;Data Source=Education_Maneger_System"
MyConnection.Open ConString
'下面的sql語句查詢各Provinces的已錄取總人數和剩余名額
sqlProv = "select A.Provinces,count(A.CandidatesID) as AllAdmission," _
& " (sum(B.Quantity)-count(A.CandidatesID)) as LeftAdmission from " _
& " StuAdmission as A,StuAdmissionScheme as B where A.Provinces=B.Provinces " _
& "group by A.Provinces"
rs_Prov.CursorLocation = adUseClient
rs_Prov.Open sqlProv, MyConnection, adOpenStatic, adLockOptimistic, adCmdText
'若沒有符合條件的記錄則提示用戶且退出
If rs_Prov.EOF = True Then
MsgBox "對不起,沒有符合條件的記錄!", vbOKOnly + vbInformation, "注意"
rs_Prov.Close
Exit Sub
End If
Set DataGrid1.DataSource = rs_Prov
DataGrid1.Refresh
End Sub
Private Sub Form_Unload(Cancel As Integer)
Set DataGrid1.DataSource = Adodc1 '使網格的數據源轉向空的Adodc控件,否則有可能無法關閉
DataGrid1.Refresh
rs_Prov.Close
Unload Me
End Sub
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