小编Fvc*_*ndo的帖子

我有两个名为frmChooseDBase和的表格frmMain.frmChooseDBase用于选择文件(数据库文件).一旦他完成了选择数据库,frmMain将加载从中选择的数据库frmChooseDBase.我怎么做dat？任何帮助.这是我的示例代码:

Public Class frmChooseDBase
    Public sr As String
    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        If OpenFileDialog1.ShowDialog() = System.Windows.Forms.DialogResult.OK Then
            sr = OpenFileDialog1.FileName
            Me.Hide()
            FrmMain.Show()
        End If
    End Sub
End Class

Private Sub FrmMain_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        con.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=Desktop\'" & frmChooseDBase.sr & "';Extended Properties=Excel 8.0"
        con.Open()


 FillDGView("SELECT [CCCD Loading Database] AS [Transaction Date], [F2] AS [Unit Number], …