frmtitles.vb

来自「Programming Web and Desktop Applications」· VB 代码 · 共 314 行 · 第 1/2 页

Public Class frmTitles
    Inherits System.Windows.Forms.Form

#Region " Windows Form Designer generated code "

    Public Sub New()
        MyBase.New()

        'This call is required by the Windows Form Designer.
        InitializeComponent()

        'Add any initialization after the InitializeComponent() call

    End Sub

    'Form overrides dispose to clean up the component list.
    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

    'Required by the Windows Form Designer
    Private components As System.ComponentModel.IContainer

    'NOTE: The following procedure is required by the Windows Form Designer
    'It can be modified using the Windows Form Designer.  
    'Do not modify it using the code editor.
    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 objdsTitles As prjDataWizard.dsTitles
    Friend WithEvents OleDbConnection1 As System.Data.OleDb.OleDbConnection
    Friend WithEvents OleDbDataAdapter1 As System.Data.OleDb.OleDbDataAdapter
    Friend WithEvents btnLoad As System.Windows.Forms.Button
    Friend WithEvents btnUpdate As System.Windows.Forms.Button
    Friend WithEvents btnCancelAll As System.Windows.Forms.Button
    Friend WithEvents grdTitles As System.Windows.Forms.DataGrid
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        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.objdsTitles = New prjDataWizard.dsTitles()
        Me.OleDbConnection1 = New System.Data.OleDb.OleDbConnection()
        Me.OleDbDataAdapter1 = New System.Data.OleDb.OleDbDataAdapter()
        Me.btnLoad = New System.Windows.Forms.Button()
        Me.btnUpdate = New System.Windows.Forms.Button()
        Me.btnCancelAll = New System.Windows.Forms.Button()
        Me.grdTitles = New System.Windows.Forms.DataGrid()
        CType(Me.objdsTitles, System.ComponentModel.ISupportInitialize).BeginInit()
        CType(Me.grdTitles, System.ComponentModel.ISupportInitialize).BeginInit()
        Me.SuspendLayout()
        '
        'OleDbSelectCommand1
        '
        Me.OleDbSelectCommand1.CommandText = "SELECT Comments, Description, ISBN, Notes, PubID, Subject, Title, [Year Published" & _
        "] FROM Titles"
        Me.OleDbSelectCommand1.Connection = Me.OleDbConnection1
        '
        'OleDbInsertCommand1
        '
        Me.OleDbInsertCommand1.CommandText = "INSERT INTO Titles(Comments, Description, ISBN, Notes, PubID, Subject, Title, [Ye" & _
        "ar Published]) VALUES (?, ?, ?, ?, ?, ?, ?, ?)"
        Me.OleDbInsertCommand1.Connection = Me.OleDbConnection1
        Me.OleDbInsertCommand1.Parameters.Add(New System.Data.OleDb.OleDbParameter("Comments", System.Data.OleDb.OleDbType.VarChar, 0, "Comments"))
        Me.OleDbInsertCommand1.Parameters.Add(New System.Data.OleDb.OleDbParameter("Description", System.Data.OleDb.OleDbType.VarChar, 50, "Description"))
        Me.OleDbInsertCommand1.Parameters.Add(New System.Data.OleDb.OleDbParameter("ISBN", System.Data.OleDb.OleDbType.VarChar, 20, "ISBN"))
        Me.OleDbInsertCommand1.Parameters.Add(New System.Data.OleDb.OleDbParameter("Notes", System.Data.OleDb.OleDbType.VarChar, 50, "Notes"))
        Me.OleDbInsertCommand1.Parameters.Add(New System.Data.OleDb.OleDbParameter("PubID", System.Data.OleDb.OleDbType.Integer, 0, System.Data.ParameterDirection.Input, False, CType(10, Byte), CType(0, Byte), "PubID", System.Data.DataRowVersion.Current, Nothing))
        Me.OleDbInsertCommand1.Parameters.Add(New System.Data.OleDb.OleDbParameter("Subject", System.Data.OleDb.OleDbType.VarChar, 50, "Subject"))
        Me.OleDbInsertCommand1.Parameters.Add(New System.Data.OleDb.OleDbParameter("Title", System.Data.OleDb.OleDbType.VarChar, 255, "Title"))
        Me.OleDbInsertCommand1.Parameters.Add(New System.Data.OleDb.OleDbParameter("Year_Published", System.Data.OleDb.OleDbType.SmallInt, 0, System.Data.ParameterDirection.Input, False, CType(5, Byte), CType(0, Byte), "Year Published", System.Data.DataRowVersion.Current, Nothing))
        '
        'OleDbUpdateCommand1
        '
        Me.OleDbUpdateCommand1.CommandText = "UPDATE Titles SET Comments = ?, Description = ?, ISBN = ?, Notes = ?, PubID = ?, " & _
        "Subject = ?, Title = ?, [Year Published] = ? WHERE (ISBN = ?) AND (Description =" & _
        " ? OR ? IS NULL AND Description IS NULL) AND (Notes = ? OR ? IS NULL AND Notes I" & _
        "S NULL) AND (PubID = ? OR ? IS NULL AND PubID IS NULL) AND (Subject = ? OR ? IS " & _
        "NULL AND Subject IS NULL) AND (Title = ? OR ? IS NULL AND Title IS NULL) AND ([Y" & _
        "ear Published] = ? OR ? IS NULL AND [Year Published] IS NULL)"
        Me.OleDbUpdateCommand1.Connection = Me.OleDbConnection1
        Me.OleDbUpdateCommand1.Parameters.Add(New System.Data.OleDb.OleDbParameter("Comments", System.Data.OleDb.OleDbType.VarChar, 0, "Comments"))
        Me.OleDbUpdateCommand1.Parameters.Add(New System.Data.OleDb.OleDbParameter("Description", System.Data.OleDb.OleDbType.VarChar, 50, "Description"))
        Me.OleDbUpdateCommand1.Parameters.Add(New System.Data.OleDb.OleDbParameter("ISBN", System.Data.OleDb.OleDbType.VarChar, 20, "ISBN"))
        Me.OleDbUpdateCommand1.Parameters.Add(New System.Data.OleDb.OleDbParameter("Notes", System.Data.OleDb.OleDbType.VarChar, 50, "Notes"))
        Me.OleDbUpdateCommand1.Parameters.Add(New System.Data.OleDb.OleDbParameter("PubID", System.Data.OleDb.OleDbType.Integer, 0, System.Data.ParameterDirection.Input, False, CType(10, Byte), CType(0, Byte), "PubID", System.Data.DataRowVersion.Current, Nothing))
        Me.OleDbUpdateCommand1.Parameters.Add(New System.Data.OleDb.OleDbParameter("Subject", System.Data.OleDb.OleDbType.VarChar, 50, "Subject"))
        Me.OleDbUpdateCommand1.Parameters.Add(New System.Data.OleDb.OleDbParameter("Title", System.Data.OleDb.OleDbType.VarChar, 255, "Title"))
        Me.OleDbUpdateCommand1.Parameters.Add(New System.Data.OleDb.OleDbParameter("Year_Published", System.Data.OleDb.OleDbType.SmallInt, 0, System.Data.ParameterDirection.Input, False, CType(5, Byte), CType(0, Byte), "Year Published", System.Data.DataRowVersion.Current, Nothing))
        Me.OleDbUpdateCommand1.Parameters.Add(New System.Data.OleDb.OleDbParameter("Original_ISBN", System.Data.OleDb.OleDbType.VarChar, 20, System.Data.ParameterDirection.Input, False, CType(0, Byte), CType(0, Byte), "ISBN", System.Data.DataRowVersion.Original, Nothing))
        Me.OleDbUpdateCommand1.Parameters.Add(New System.Data.OleDb.OleDbParameter("Original_Description", System.Data.OleDb.OleDbType.VarChar, 50, System.Data.ParameterDirection.Input, False, CType(0, Byte), CType(0, Byte), "Description", System.Data.DataRowVersion.Original, Nothing))
        Me.OleDbUpdateCommand1.Parameters.Add(New System.Data.OleDb.OleDbParameter("Original_Description1", System.Data.OleDb.OleDbType.VarChar, 50, System.Data.ParameterDirection.Input, False, CType(0, Byte), CType(0, Byte), "Description", System.Data.DataRowVersion.Original, Nothing))
        Me.OleDbUpdateCommand1.Parameters.Add(New System.Data.OleDb.OleDbParameter("Original_Notes", System.Data.OleDb.OleDbType.VarChar, 50, System.Data.ParameterDirection.Input, False, CType(0, Byte), CType(0, Byte), "Notes", System.Data.DataRowVersion.Original, Nothing))
        Me.OleDbUpdateCommand1.Parameters.Add(New System.Data.OleDb.OleDbParameter("Original_Notes1", System.Data.OleDb.OleDbType.VarChar, 50, System.Data.ParameterDirection.Input, False, CType(0, Byte), CType(0, Byte), "Notes", System.Data.DataRowVersion.Original, Nothing))
        Me.OleDbUpdateCommand1.Parameters.Add(New System.Data.OleDb.OleDbParameter("Original_PubID", System.Data.OleDb.OleDbType.Integer, 0, System.Data.ParameterDirection.Input, False, CType(10, Byte), CType(0, Byte), "PubID", System.Data.DataRowVersion.Original, Nothing))
        Me.OleDbUpdateCommand1.Parameters.Add(New System.Data.OleDb.OleDbParameter("Original_PubID1", System.Data.OleDb.OleDbType.Integer, 0, System.Data.ParameterDirection.Input, False, CType(10, Byte), CType(0, Byte), "PubID", System.Data.DataRowVersion.Original, Nothing))
        Me.OleDbUpdateCommand1.Parameters.Add(New System.Data.OleDb.OleDbParameter("Original_Subject", System.Data.OleDb.OleDbType.VarChar, 50, System.Data.ParameterDirection.Input, False, CType(0, Byte), CType(0, Byte), "Subject", System.Data.DataRowVersion.Original, Nothing))
        Me.OleDbUpdateCommand1.Parameters.Add(New System.Data.OleDb.OleDbParameter("Original_Subject1", System.Data.OleDb.OleDbType.VarChar, 50, System.Data.ParameterDirection.Input, False, CType(0, Byte), CType(0, Byte), "Subject", System.Data.DataRowVersion.Original, Nothing))
        Me.OleDbUpdateCommand1.Parameters.Add(New System.Data.OleDb.OleDbParameter("Original_Title", System.Data.OleDb.OleDbType.VarChar, 255, System.Data.ParameterDirection.Input, False, CType(0, Byte), CType(0, Byte), "Title", System.Data.DataRowVersion.Original, Nothing))
        Me.OleDbUpdateCommand1.Parameters.Add(New System.Data.OleDb.OleDbParameter("Original_Title1", System.Data.OleDb.OleDbType.VarChar, 255, System.Data.ParameterDirection.Input, False, CType(0, Byte), CType(0, Byte), "Title", System.Data.DataRowVersion.Original, Nothing))
        Me.OleDbUpdateCommand1.Parameters.Add(New System.Data.OleDb.OleDbParameter("Original_Year_Published", System.Data.OleDb.OleDbType.SmallInt, 0, System.Data.ParameterDirection.Input, False, CType(5, Byte), CType(0, Byte), "Year Published", System.Data.DataRowVersion.Original, Nothing))
        Me.OleDbUpdateCommand1.Parameters.Add(New System.Data.OleDb.OleDbParameter("Original_Year_Published1", System.Data.OleDb.OleDbType.SmallInt, 0, System.Data.ParameterDirection.Input, False, CType(5, Byte), CType(0, Byte), "Year Published", System.Data.DataRowVersion.Original, Nothing))
        '
        'OleDbDeleteCommand1
        '
        Me.OleDbDeleteCommand1.CommandText = "DELETE FROM Titles WHERE (ISBN = ?) AND (Description = ? OR ? IS NULL AND Descrip" & _
        "tion IS NULL) AND (Notes = ? OR ? IS NULL AND Notes IS NULL) AND (PubID = ? OR ?" & _
        " IS NULL AND PubID IS NULL) AND (Subject = ? OR ? IS NULL AND Subject IS NULL) A" & _
        "ND (Title = ? OR ? IS NULL AND Title IS NULL) AND ([Year Published] = ? OR ? IS " & _
        "NULL AND [Year Published] IS NULL)"
        Me.OleDbDeleteCommand1.Connection = Me.OleDbConnection1
        Me.OleDbDeleteCommand1.Parameters.Add(New System.Data.OleDb.OleDbParameter("Original_ISBN", System.Data.OleDb.OleDbType.VarChar, 20, System.Data.ParameterDirection.Input, False, CType(0, Byte), CType(0, Byte), "ISBN", System.Data.DataRowVersion.Original, Nothing))
        Me.OleDbDeleteCommand1.Parameters.Add(New System.Data.OleDb.OleDbParameter("Original_Description", System.Data.OleDb.OleDbType.VarChar, 50, System.Data.ParameterDirection.Input, False, CType(0, Byte), CType(0, Byte), "Description", System.Data.DataRowVersion.Original, Nothing))
        Me.OleDbDeleteCommand1.Parameters.Add(New System.Data.OleDb.OleDbParameter("Original_Description1", System.Data.OleDb.OleDbType.VarChar, 50, System.Data.ParameterDirection.Input, False, CType(0, Byte), CType(0, Byte), "Description", System.Data.DataRowVersion.Original, Nothing))
        Me.OleDbDeleteCommand1.Parameters.Add(New System.Data.OleDb.OleDbParameter("Original_Notes", System.Data.OleDb.OleDbType.VarChar, 50, System.Data.ParameterDirection.Input, False, CType(0, Byte), CType(0, Byte), "Notes", System.Data.DataRowVersion.Original, Nothing))
        Me.OleDbDeleteCommand1.Parameters.Add(New System.Data.OleDb.OleDbParameter("Original_Notes1", System.Data.OleDb.OleDbType.VarChar, 50, System.Data.ParameterDirection.Input, False, CType(0, Byte), CType(0, Byte), "Notes", System.Data.DataRowVersion.Original, Nothing))
        Me.OleDbDeleteCommand1.Parameters.Add(New System.Data.OleDb.OleDbParameter("Original_PubID", System.Data.OleDb.OleDbType.Integer, 0, System.Data.ParameterDirection.Input, False, CType(10, Byte), CType(0, Byte), "PubID", System.Data.DataRowVersion.Original, Nothing))
        Me.OleDbDeleteCommand1.Parameters.Add(New System.Data.OleDb.OleDbParameter("Original_PubID1", System.Data.OleDb.OleDbType.Integer, 0, System.Data.ParameterDirection.Input, False, CType(10, Byte), CType(0, Byte), "PubID", System.Data.DataRowVersion.Original, Nothing))
        Me.OleDbDeleteCommand1.Parameters.Add(New System.Data.OleDb.OleDbParameter("Original_Subject", System.Data.OleDb.OleDbType.VarChar, 50, System.Data.ParameterDirection.Input, False, CType(0, Byte), CType(0, Byte), "Subject", System.Data.DataRowVersion.Original, Nothing))
        Me.OleDbDeleteCommand1.Parameters.Add(New System.Data.OleDb.OleDbParameter("Original_Subject1", System.Data.OleDb.OleDbType.VarChar, 50, System.Data.ParameterDirection.Input, False, CType(0, Byte), CType(0, Byte), "Subject", System.Data.DataRowVersion.Original, Nothing))
        Me.OleDbDeleteCommand1.Parameters.Add(New System.Data.OleDb.OleDbParameter("Original_Title", System.Data.OleDb.OleDbType.VarChar, 255, System.Data.ParameterDirection.Input, False, CType(0, Byte), CType(0, Byte), "Title", System.Data.DataRowVersion.Original, Nothing))
        Me.OleDbDeleteCommand1.Parameters.Add(New System.Data.OleDb.OleDbParameter("Original_Title1", System.Data.OleDb.OleDbType.VarChar, 255, System.Data.ParameterDirection.Input, False, CType(0, Byte), CType(0, Byte), "Title", System.Data.DataRowVersion.Original, Nothing))
        Me.OleDbDeleteCommand1.Parameters.Add(New System.Data.OleDb.OleDbParameter("Original_Year_Published", System.Data.OleDb.OleDbType.SmallInt, 0, System.Data.ParameterDirection.Input, False, CType(5, Byte), CType(0, Byte), "Year Published", System.Data.DataRowVersion.Original, Nothing))
        Me.OleDbDeleteCommand1.Parameters.Add(New System.Data.OleDb.OleDbParameter("Original_Year_Published1", System.Data.OleDb.OleDbType.SmallInt, 0, System.Data.ParameterDirection.Input, False, CType(5, Byte), CType(0, Byte), "Year Published", System.Data.DataRowVersion.Original, Nothing))
        '
        'objdsTitles
        '
        Me.objdsTitles.DataSetName = "dsTitles"
        Me.objdsTitles.Locale = New System.Globalization.CultureInfo("en-US")
        Me.objdsTitles.Namespace = "http://www.tempuri.org/dsTitles.xsd"
        '
        'OleDbConnection1
        '
        Me.OleDbConnection1.ConnectionString = "Provider=Microsoft.Jet.OLEDB.3.51;Persist Security Info=False;User ID=Admin;Data " & _
        "Source=C:\Temp\biblio.mdb;Mode=Share Deny None;Extended Properties="";COUNTRY=0;C" & _
        "P=1252;LANGID=0x0409"";Jet OLEDB:System database="""";Jet OLEDB:Registry Path="""";Je" & _
        "t OLEDB:Database Password="""";Jet OLEDB:Global Partial Bulk Ops=2"
        '
        '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", "Titles", New System.Data.Common.DataColumnMapping() {New System.Data.Common.DataColumnMapping("Title", "Title"), New System.Data.Common.DataColumnMapping("Year Published", "Year Published"), New System.Data.Common.DataColumnMapping("ISBN", "ISBN"), New System.Data.Common.DataColumnMapping("PubID", "PubID"), New System.Data.Common.DataColumnMapping("Description", "Description"), New System.Data.Common.DataColumnMapping("Notes", "Notes"), New System.Data.Common.DataColumnMapping("Subject", "Subject"), New System.Data.Common.DataColumnMapping("Comments", "Comments")})})
        Me.OleDbDataAdapter1.UpdateCommand = Me.OleDbUpdateCommand1
        '
        'btnLoad
        '
        Me.btnLoad.Location = New System.Drawing.Point(10, 10)
        Me.btnLoad.Name = "btnLoad"
        Me.btnLoad.TabIndex = 0