samplereport.vb

一个很好用的报表控件

Imports CrystalDecisions.CrystalReports.Engine
Public Class SampleReport
    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

    '窗体重写处置以清理组件列表。
    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 CrystalReportViewer1 As CrystalDecisions.Windows.Forms.CrystalReportViewer
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.CrystalReportViewer1 = New CrystalDecisions.Windows.Forms.CrystalReportViewer()
        Me.SuspendLayout()
        '
        'CrystalReportViewer1
        '
        Me.CrystalReportViewer1.ActiveViewIndex = -1
        Me.CrystalReportViewer1.DisplayGroupTree = False
        Me.CrystalReportViewer1.Dock = System.Windows.Forms.DockStyle.Fill
        Me.CrystalReportViewer1.Name = "CrystalReportViewer1"
        Me.CrystalReportViewer1.ReportSource = Nothing
        Me.CrystalReportViewer1.Size = New System.Drawing.Size(292, 273)
        Me.CrystalReportViewer1.TabIndex = 0
        '
        'SampleReport
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(6, 14)
        Me.ClientSize = New System.Drawing.Size(292, 273)
        Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.CrystalReportViewer1})
        Me.Name = "SampleReport"
        Me.Text = "SampleReport"
        Me.ResumeLayout(False)

    End Sub

#End Region

    Private Sub SampleReport_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        CrystalReportViewer1.ReportSource = Application.StartupPath & "\CrystalReport1.rpt"

    End Sub

    Private Sub CrystalReportViewer1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles CrystalReportViewer1.Load

    End Sub

    Private Sub CrystalReportViewer1_HandleException(ByVal source As Object, ByVal e As CrystalDecisions.Windows.Forms.ExceptionEventArgs) Handles CrystalReportViewer1.HandleException
        If TypeOf (e.Exception) Is EngineException Then
            Dim EngExp As EngineException
            EngExp = e.Exception
            Select Case EngExp.ErrorID
                Case EngineExceptionErrorID.DataSourceError
                    MessageBox.Show("数据寸取错误", "报表异常")
                Case EngineExceptionErrorID.LogOnFailed
                    MessageBox.Show("登陆失败", "报表异常")
                Case Else
                    MessageBox.Show("错误信息" & EngExp.Message, "报表相关错误")
            End Select
        Else
            Dim ErrSource As String = e.Exception.Source
            Dim ErrMessage As String = e.Exception.Message
            MessageBox.Show("错误通知" & ErrMessage, "错误发生在" & ErrSource)
        End If

        e.Handled = True

    End Sub
End Class