一个案例,第一列为年月系列值,在窗口事件AfterLoad加入如下代码,要求打开项目后,在组合框内的初始值为年月系列值中最大值并取前四位,应该如何设置代码?请各位老师指教,谢谢!!
Dim cmd As New SQLCommandDim dt As DataTableDim cmb As WinForm.ComboBoxcmd.CommandText = "SELECT DISTINCT 第一列 From {表A}"dt = cmd.ExecuteReader()cmb = e.Form.Controls("ComboBox1")cmb.ComboList= dt.GetComboListString("第一列")