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我有我可以绑定到我的控件和datagridview的数据源和表。我可以添加记录到数据表,我可以在datagridview上查看,但是我无法使用datagrid更新和删除记录。我有以下代码。如果有人能帮助我,我会非常感激。如何管理正确的代码
Private Sub add_and_update()
Dim con As VistaDBConnection
Dim Cmd As New VistaDBCommand
Dim constring As String
constring = String.Format("Data Source =v_slot_database.vdb3", (System.IO.Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().GetName().CodeBase)))
con = New VistaDBConnection(constring)
con.Open()
Dim metertable As DataTable = Me.DataSet1.Tables.Item("tbl_meter")
Dim row As DataRow = metertable.NewRow()
row.Item("CDate") = txtdate.Text
row.Item("Machine_No") = txtno.Text
row.Item("Turnover") = txtturnover.Text
row.Item("Total Win") = txttotalwin.Text
row.Item("Games Played") = txtgamesplayed.Text
row.Item("Credit In") = txtcreditin.Text
row.Item("Bill In") = txtbillin.Text
row.Item("Cancel Credit") = txthandpay.Text
metertable.Rows.Add(row)
Me.DataSet1.tbl_meter.AcceptChanges()
Me.Tbl_meterTableAdapter.Update(Me.DataSet1.tbl_meter)
clear_fields()
con.Close()
con = Nothing
End Sub
Private Sub clear_fields()
Me.txtno.Text = "0"
Me.txtturnover.Text = "0"
Me.txttotalwin.Text = "0"
Me.txtgamesplayed.Text = "0"
Me.txtcreditin.Text = "0"
Me.txtbillin.Text = "0"
Me.txthandpay.Text = "0"
Me.txtno.Focus()
End Sub
当您尝试更新或删除时是否出现错误?你有没有得到任何答复? – MJB 2010-07-07 19:45:29
不,实际上它是从gridview中删除,但没有更新。 – Hakan 2010-07-07 19:54:12