form1.vb

来自「Beginning VB.NET DatabasesAll_Code.rar」· VB 代码 · 共 132 行

Public Class Form1
    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 lstEmployees As System.Windows.Forms.ListBox
    Friend WithEvents SqlDataAdapter1 As System.Data.SqlClient.SqlDataAdapter
    Friend WithEvents SqlSelectCommand1 As System.Data.SqlClient.SqlCommand
    Friend WithEvents SqlConnection1 As System.Data.SqlClient.SqlConnection
    Friend WithEvents SqlDataAdapter2 As System.Data.SqlClient.SqlDataAdapter
    Friend WithEvents SqlSelectCommand2 As System.Data.SqlClient.SqlCommand
    Friend WithEvents EmployeeDS1 As SQL_Data_Wizard.EmployeeDS
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.lstEmployees = New System.Windows.Forms.ListBox
        Me.SqlDataAdapter1 = New System.Data.SqlClient.SqlDataAdapter
        Me.SqlSelectCommand1 = New System.Data.SqlClient.SqlCommand
        Me.SqlConnection1 = New System.Data.SqlClient.SqlConnection
        Me.SqlDataAdapter2 = New System.Data.SqlClient.SqlDataAdapter
        Me.SqlSelectCommand2 = New System.Data.SqlClient.SqlCommand
        Me.EmployeeDS1 = New SQL_Data_Wizard.EmployeeDS
        CType(Me.EmployeeDS1, System.ComponentModel.ISupportInitialize).BeginInit()
        Me.SuspendLayout()
        '
        'lstEmployees
        '
        Me.lstEmployees.DataSource = Me.EmployeeDS1.employee
        Me.lstEmployees.DisplayMember = "emp_name"
        Me.lstEmployees.Dock = System.Windows.Forms.DockStyle.Fill
        Me.lstEmployees.IntegralHeight = False
        Me.lstEmployees.Location = New System.Drawing.Point(0, 0)
        Me.lstEmployees.Name = "lstEmployees"
        Me.lstEmployees.Size = New System.Drawing.Size(192, 141)
        Me.lstEmployees.TabIndex = 0
        Me.lstEmployees.ValueMember = "emp_id"
        '
        'SqlDataAdapter1
        '
        Me.SqlDataAdapter1.SelectCommand = Me.SqlSelectCommand1
        Me.SqlDataAdapter1.TableMappings.AddRange(New System.Data.Common.DataTableMapping() {New System.Data.Common.DataTableMapping("Table", "employee", New System.Data.Common.DataColumnMapping() {New System.Data.Common.DataColumnMapping("emp_id", "emp_id"), New System.Data.Common.DataColumnMapping("emp_name", "emp_name"), New System.Data.Common.DataColumnMapping("job_id", "job_id"), New System.Data.Common.DataColumnMapping("hire_date", "hire_date")})})
        '
        'SqlSelectCommand1
        '
        Me.SqlSelectCommand1.CommandText = "SELECT emp_id, fname + ' ' + lname AS emp_name, job_id, hire_date FROM employee O" & _
        "RDER BY emp_name"
        Me.SqlSelectCommand1.Connection = Me.SqlConnection1
        '
        'SqlConnection1
        '
        Me.SqlConnection1.ConnectionString = "workstation id=WSTHEARON;packet size=4096;integrated security=SSPI;data source=""W" & _
        "STHEARON\NETSDK"";persist security info=False;initial catalog=pubs"
        '
        'SqlDataAdapter2
        '
        Me.SqlDataAdapter2.SelectCommand = Me.SqlSelectCommand2
        Me.SqlDataAdapter2.TableMappings.AddRange(New System.Data.Common.DataTableMapping() {New System.Data.Common.DataTableMapping("Table", "jobs", New System.Data.Common.DataColumnMapping() {New System.Data.Common.DataColumnMapping("job_id", "job_id"), New System.Data.Common.DataColumnMapping("job_desc", "job_desc")})})
        '
        'SqlSelectCommand2
        '
        Me.SqlSelectCommand2.CommandText = "SELECT job_id, job_desc FROM jobs"
        Me.SqlSelectCommand2.Connection = Me.SqlConnection1
        '
        'EmployeeDS1
        '
        Me.EmployeeDS1.DataSetName = "EmployeeDS"
        Me.EmployeeDS1.Locale = New System.Globalization.CultureInfo("en-US")
        '
        'Form1
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
        Me.ClientSize = New System.Drawing.Size(192, 141)
        Me.Controls.Add(Me.lstEmployees)
        Me.Name = "Form1"
        Me.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen
        Me.Text = "SQL Data Wizard"
        CType(Me.EmployeeDS1, System.ComponentModel.ISupportInitialize).EndInit()
        Me.ResumeLayout(False)

    End Sub

#End Region

    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        'Populate the DataSet
        SqlDataAdapter2.Fill(EmployeeDS1)
        SqlDataAdapter1.Fill(EmployeeDS1)
    End Sub

    Private Sub lstEmployees_DoubleClick(ByVal sender As Object, ByVal e As System.EventArgs) Handles lstEmployees.DoubleClick
        Dim objEmployeeDetail As New EmployeeDetail
        For intIndex As Integer = 0 To EmployeeDS1.Tables( _
            "Employee").Rows.Count - 1
            If EmployeeDS1.Tables("Employee").Rows(intIndex).Item("emp_id") = _
                lstEmployees.SelectedValue Then
                objEmployeeDetail.ShowDialog(Me, EmployeeDS1.Tables( _
                    "Employee").Rows(intIndex).Item("emp_name"), _
                    EmployeeDS1.Tables("Employee").Rows(intIndex).GetParentRow( _
                    "EmployeeJob").Item("job_desc"), Format(EmployeeDS1.Tables( _
                    "Employee").Rows(intIndex).Item("hire_date"), "d").ToString)
                Exit For
            End If
        Next
        objEmployeeDetail.Dispose()
        objEmployeeDetail = Nothing
    End Sub
End Class