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我有如下圖所示的代碼加載從Microsoft Access數據庫到DGV數據到一個功能:刷新數據網格視圖返回Nothing
Public Sub LoaddgvCombined()
Try
'//Clear DataGrid
ds.Clear()
dgvSales.DataSource = Nothing
'dgvSales.Refresh()
dgvSales.DataSource = ds
'//Establish Connection to DB
con.ConnectionString = dbProvider & dbSource
tables = ds.Tables
con.Open()
sql = "SELECT * FROM [tblINV_SalesRecord] WHERE CDate(adddate & ' ' &addtime) < CDate('" & selectfrm & "')) ORDER BY temID ASC"
da = New OleDb.OleDbDataAdapter(sql, con)
da.Fill(ds, "tblINV_SalesRecord")
con.Close()
Dim view As New DataView(tables(0))
source1.DataSource = view
dgvSales.DataSource = view
dgvSales.AllowUserToAddRows = False
If dgvSales.RowCount < 1 Then
MessageBox.Show("No Sales Recorded Found From " & selectfrm)
End If
Catch ex As Exception
MessageBox.Show(ex.Message & " - " & ex.Source)
MessageBox.Show("An Error Occured While Loading Sales Record ")
End Try
End Sub
它正常工作的第一次,但是當我打電話該功能第二次清空DGV,但這次它不加載任何數據。
請任何人都可以指出我做錯了什麼。
非常感謝,你只是讓我的一天,它的工作。 – Smarton