錯誤BC30456 \t '形式' 不是 '視窗'

Question

私人小組的button1_Click一個構件（BYVAL發件人爲System.Object的， BYVALË作爲System.EventArgs）把手Button1.Click

With OpenFileDialog1 
     .FileName = String.Empty 
     .InitialDirectory = "C:\" 
     .Title = "Open Excel File" 
     .Filter = "Excel 97-2003|*.xls|Excel 2007|*.xlsx" 
    End With 
    Dim result As DialogResult = OpenFileDialog1.ShowDialog() 
    If result = Windows.Form.DialogResult.OK Then 
     Try 
      TextBox1.Text = OpenFileDialog1.FileName 
      GetExcelSheetNames(TextBox1.Text) 
     Catch ex As Exception 
      MsgBox("Error : " & ex.Message) 
     End Try 
    End If 

End Sub 

Answer 1

Public Class Form1 
    Private loginLabel As String 

    Public Sub New(ByVal loginParameter As String) 
     InitializeComponent() 

     Me.loginLabel = loginParameter 

    End Sub 
End Class 

並在您的登錄表單中：

dim frm as new Form1(label.Text)