📄 住宿统计3.vb
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Public Class 住宿统计3
Inherits System.Windows.Forms.Form
#Region " Windows 窗体设计器生成的代码 "
Public Sub New()
MyBase.New()
'该调用是 Windows 窗体设计器所必需的。
InitializeComponent()
'在 InitializeComponent() 调用之后添加任何初始化
End Sub
'窗体重写 dispose 以清理组件列表。
Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
If disposing Then
If Not (components Is Nothing) Then
components.Dispose()
End If
End If
MyBase.Dispose(disposing)
End Sub
'Windows 窗体设计器所必需的
Private components As System.ComponentModel.IContainer
'注意: 以下过程是 Windows 窗体设计器所必需的
'可以使用 Windows 窗体设计器修改此过程。
'不要使用代码编辑器修改它。
Friend WithEvents OleDbDataAdapter1 As System.Data.OleDb.OleDbDataAdapter
Friend WithEvents OleDbCommand1 As System.Data.OleDb.OleDbCommand
Friend WithEvents Dw1 As 学生公寓管理系统.Dw
Friend WithEvents Label1 As System.Windows.Forms.Label
Friend WithEvents OleDbSelectCommand1 As System.Data.OleDb.OleDbCommand
Friend WithEvents OleDbInsertCommand1 As System.Data.OleDb.OleDbCommand
Friend WithEvents OleDbUpdateCommand1 As System.Data.OleDb.OleDbCommand
Friend WithEvents OleDbDeleteCommand1 As System.Data.OleDb.OleDbCommand
Friend WithEvents OleDbConnection1 As System.Data.OleDb.OleDbConnection
<System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
Me.OleDbDataAdapter1 = New System.Data.OleDb.OleDbDataAdapter
Me.OleDbCommand1 = New System.Data.OleDb.OleDbCommand
Me.Dw1 = New 学生公寓管理系统.Dw
Me.Label1 = New System.Windows.Forms.Label
Me.OleDbSelectCommand1 = New System.Data.OleDb.OleDbCommand
Me.OleDbInsertCommand1 = New System.Data.OleDb.OleDbCommand
Me.OleDbUpdateCommand1 = New System.Data.OleDb.OleDbCommand
Me.OleDbDeleteCommand1 = New System.Data.OleDb.OleDbCommand
Me.OleDbConnection1 = New System.Data.OleDb.OleDbConnection
CType(Me.Dw1, System.ComponentModel.ISupportInitialize).BeginInit()
Me.SuspendLayout()
'
'OleDbDataAdapter1
'
Me.OleDbDataAdapter1.DeleteCommand = Me.OleDbDeleteCommand1
Me.OleDbDataAdapter1.InsertCommand = Me.OleDbInsertCommand1
Me.OleDbDataAdapter1.SelectCommand = Me.OleDbSelectCommand1
Me.OleDbDataAdapter1.TableMappings.AddRange(New System.Data.Common.DataTableMapping() {New System.Data.Common.DataTableMapping("Table", "已住床位", New System.Data.Common.DataColumnMapping() {New System.Data.Common.DataColumnMapping("栋号", "栋号"), New System.Data.Common.DataColumnMapping("房号", "房号"), New System.Data.Common.DataColumnMapping("已住床位", "已住床位")})})
Me.OleDbDataAdapter1.UpdateCommand = Me.OleDbUpdateCommand1
'
'Dw1
'
Me.Dw1.DataSetName = "Dw"
Me.Dw1.Locale = New System.Globalization.CultureInfo("zh-CN")
'
'Label1
'
Me.Label1.AutoSize = True
Me.Label1.Enabled = False
Me.Label1.Font = New System.Drawing.Font("宋体", 15.0!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(134, Byte))
Me.Label1.ForeColor = System.Drawing.SystemColors.ActiveCaption
Me.Label1.Location = New System.Drawing.Point(8, 8)
Me.Label1.Name = "Label1"
Me.Label1.Size = New System.Drawing.Size(213, 26)
Me.Label1.TabIndex = 0
Me.Label1.Text = "系统正在处理数据……"
'
'OleDbSelectCommand1
'
Me.OleDbSelectCommand1.CommandText = "SELECT 栋号, 房号, 已住床位 FROM 已住床位"
Me.OleDbSelectCommand1.Connection = Me.OleDbConnection1
'
'OleDbInsertCommand1
'
Me.OleDbInsertCommand1.CommandText = "INSERT INTO 已住床位(栋号, 房号, 已住床位) VALUES (?, ?, ?)"
Me.OleDbInsertCommand1.Connection = Me.OleDbConnection1
Me.OleDbInsertCommand1.Parameters.Add(New System.Data.OleDb.OleDbParameter("栋号", System.Data.OleDb.OleDbType.VarWChar, 50, "栋号"))
Me.OleDbInsertCommand1.Parameters.Add(New System.Data.OleDb.OleDbParameter("房号", System.Data.OleDb.OleDbType.VarWChar, 50, "房号"))
Me.OleDbInsertCommand1.Parameters.Add(New System.Data.OleDb.OleDbParameter("已住床位", System.Data.OleDb.OleDbType.VarWChar, 50, "已住床位"))
'
'OleDbUpdateCommand1
'
Me.OleDbUpdateCommand1.CommandText = "UPDATE 已住床位 SET 栋号 = ?, 房号 = ?, 已住床位 = ? WHERE (房号 = ?) AND (栋号 = ?) AND (已住床位 = " & _
"? OR ? IS NULL AND 已住床位 IS NULL)"
Me.OleDbUpdateCommand1.Connection = Me.OleDbConnection1
Me.OleDbUpdateCommand1.Parameters.Add(New System.Data.OleDb.OleDbParameter("栋号", System.Data.OleDb.OleDbType.VarWChar, 50, "栋号"))
Me.OleDbUpdateCommand1.Parameters.Add(New System.Data.OleDb.OleDbParameter("房号", System.Data.OleDb.OleDbType.VarWChar, 50, "房号"))
Me.OleDbUpdateCommand1.Parameters.Add(New System.Data.OleDb.OleDbParameter("已住床位", System.Data.OleDb.OleDbType.VarWChar, 50, "已住床位"))
Me.OleDbUpdateCommand1.Parameters.Add(New System.Data.OleDb.OleDbParameter("Original_房号", System.Data.OleDb.OleDbType.VarWChar, 50, System.Data.ParameterDirection.Input, False, CType(0, Byte), CType(0, Byte), "房号", System.Data.DataRowVersion.Original, Nothing))
Me.OleDbUpdateCommand1.Parameters.Add(New System.Data.OleDb.OleDbParameter("Original_栋号", System.Data.OleDb.OleDbType.VarWChar, 50, System.Data.ParameterDirection.Input, False, CType(0, Byte), CType(0, Byte), "栋号", System.Data.DataRowVersion.Original, Nothing))
Me.OleDbUpdateCommand1.Parameters.Add(New System.Data.OleDb.OleDbParameter("Original_已住床位", System.Data.OleDb.OleDbType.VarWChar, 50, System.Data.ParameterDirection.Input, False, CType(0, Byte), CType(0, Byte), "已住床位", System.Data.DataRowVersion.Original, Nothing))
Me.OleDbUpdateCommand1.Parameters.Add(New System.Data.OleDb.OleDbParameter("Original_已住床位1", System.Data.OleDb.OleDbType.VarWChar, 50, System.Data.ParameterDirection.Input, False, CType(0, Byte), CType(0, Byte), "已住床位", System.Data.DataRowVersion.Original, Nothing))
'
'OleDbDeleteCommand1
'
Me.OleDbDeleteCommand1.CommandText = "DELETE FROM 已住床位 WHERE (房号 = ?) AND (栋号 = ?) AND (已住床位 = ? OR ? IS NULL AND 已住床位 " & _
"IS NULL)"
Me.OleDbDeleteCommand1.Connection = Me.OleDbConnection1
Me.OleDbDeleteCommand1.Parameters.Add(New System.Data.OleDb.OleDbParameter("Original_房号", System.Data.OleDb.OleDbType.VarWChar, 50, System.Data.ParameterDirection.Input, False, CType(0, Byte), CType(0, Byte), "房号", System.Data.DataRowVersion.Original, Nothing))
Me.OleDbDeleteCommand1.Parameters.Add(New System.Data.OleDb.OleDbParameter("Original_栋号", System.Data.OleDb.OleDbType.VarWChar, 50, System.Data.ParameterDirection.Input, False, CType(0, Byte), CType(0, Byte), "栋号", System.Data.DataRowVersion.Original, Nothing))
Me.OleDbDeleteCommand1.Parameters.Add(New System.Data.OleDb.OleDbParameter("Original_已住床位", System.Data.OleDb.OleDbType.VarWChar, 50, System.Data.ParameterDirection.Input, False, CType(0, Byte), CType(0, Byte), "已住床位", System.Data.DataRowVersion.Original, Nothing))
Me.OleDbDeleteCommand1.Parameters.Add(New System.Data.OleDb.OleDbParameter("Original_已住床位1", System.Data.OleDb.OleDbType.VarWChar, 50, System.Data.ParameterDirection.Input, False, CType(0, Byte), CType(0, Byte), "已住床位", System.Data.DataRowVersion.Original, Nothing))
'
'OleDbConnection1
'
Me.OleDbConnection1.ConnectionString = "Jet OLEDB:Global Partial Bulk Ops=2;Jet OLEDB:Registry Path=;Jet OLEDB:Database L" & _
"ocking Mode=1;Data Source=""学生公寓管理系统.mdb"";Jet OLEDB:Engine Type=5;Provider=""Micro" & _
"soft.Jet.OLEDB.4.0"";Jet OLEDB:System database=;Jet OLEDB:SFP=False;persist secur" & _
"ity info=False;Extended Properties=;Mode=Share Deny None;Jet OLEDB:Encrypt Datab" & _
"ase=False;Jet OLEDB:Create System Database=False;Jet OLEDB:Don't Copy Locale on " & _
"Compact=False;Jet OLEDB:Compact Without Replica Repair=False;User ID=Admin;Jet O" & _
"LEDB:Global Bulk Transactions=1"
'
'住宿统计3
'
Me.AutoScaleBaseSize = New System.Drawing.Size(6, 14)
Me.ClientSize = New System.Drawing.Size(232, 32)
Me.Controls.Add(Me.Label1)
Me.FormBorderStyle = System.Windows.Forms.FormBorderStyle.None
Me.Name = "住宿统计3"
Me.ShowInTaskbar = False
Me.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen
Me.Text = "住宿统计3"
CType(Me.Dw1, System.ComponentModel.ISupportInitialize).EndInit()
Me.ResumeLayout(False)
End Sub
#End Region
Private Sub 住宿统计3_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Try
OleDbDataAdapter1.SelectCommand.CommandText = "select * from 已住床位"
Dw1.Clear()
OleDbDataAdapter1.Fill(Dw1)
Catch ex As Exception
MsgBox(ex.Message)
End Try
Dim i, count As Integer
i = Me.BindingContext(Dw1, "已住床位").Count
Me.BindingContext(Dw1, "已住床位").Position = i
While i > 0
Dw1.已住床位.Rows(Me.BindingContext(Dw1, "已住床位").Position).Delete()
i -= 1
Me.BindingContext(Dw1, "已住床位").Position = i
OleDbDataAdapter1.Update(Dw1)
End While
Me.Close()
End Sub
Private Sub 住宿统计3_VisibleChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles MyBase.VisibleChanged
End Sub
End Class
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