2012-11-27 30 views
0

到對象我上課命名爲「用戶」,代碼:如何創建報表查看器綁定在VB.NET

Public Class User 

    Private m_id As String 
    Private m_user_name As String 

    Public Sub New(ByVal id As String, ByVal name As String, ByVal pwd As String) 
     m_id = id 
     m_user_name = name 
     m_pwd = pwd 
    End Sub 

    Public Property Id() As String 
     Get 
      Return m_id 
     End Get 
     Set(ByVal value As String) 
      m_id = value 
     End Set 
    End Property 

    Public Property Name() As String 
     Get 
      Return m_user_name 
     End Get 
     Set(ByVal value As String) 
      m_user_name = value 
     End Set 
    End Property 

End Class 

我想報告所有用戶的信息,所以我也有一個名爲「其他類用戶「,代碼:

Public Class Users 
     inherits List(Of User) 
     Public Sub New() 
       'Query users' information from Table in Database 
       Add(New User(...) 
     End Sub 
End Class 

當我點擊」打印「按鈕,它會彈出報告。我只有一個帶有報表查看器的表單,但我有很多使用報表查看器的報表。所以我這樣的代碼:

Public Class Form1 
     Private Sub Form1_Load(...) Handles MyBase.Load 

      Dim bs As New BindingSource 
      bs.DataSource= New Users 

      Dim rpt As New Microsoft.Reporting.WinForms.ReportDataSource 
      rpt.Name = "Report_User" 
      rpt.Value = bs 
      ReportViewer1.LocalReport.DataSources.Add(rpt) 
      ReportViewer1.LocalReport.ReportEmbeddedResource = rpt.Name 
      ReportViewer1.RefreshReport() 
     End Sub 

但它不會顯示任何東西......請幫我...我真的需要你的幫助..提前

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