Dim txt As String '= e.Form.DropDownBox.Text Dim tbl As Table = Tables("窗口1_Table1") If txt = "" Then tbl.DataTable.LoadFilter = "" Else txt = "'%" & txt & "%'" tbl.DataTable.LoadFilter = "客户ID Like " & txt & " Or 公司名称 Like " & txt & " Or 地址 Like " & txt & " Or 联系人 Like " & txt End If tbl.DataTable.load e.Form.DropDownBox.Select() '将输入焦点返回下拉列表框