想要按表内的某一列(字段)分组,但是想要定义新的分组名字,而不是按表里面的字段显示,如何做到?(下面是我写的代码)还有就是,在Listview里面怎么筛选加载的数据,比如加载今天的数据(这个筛选条件怎么加)
Dim lvw As WinForm.ListView = e.Form.Controls("ListView1")
lvw.StopRedraw() '停止绘制
lvw.Groups.Clear() '清除原来的分组
lvw.Columns.Clear() '清除原来的列
lvw.Rows.Clear() '清除原来的行
lvw.Images.Clear() '清除原来的图片
lvw.View = ViewMode.Details '显示模式为详细信息
Dim cls() As String = {"状态","时间段","病人姓名","预约项目"} '定义列名
Dim wds() As Integer = {100,100,150,80,80} '定义列宽
For i As Integer = 0 To cls.Length - 1 '增加列
Dim c As WinForm.ListViewColumn = lvw.Columns.Add()
c.Name = cls(i) '指定列名
c.Text = cls(i) '指定标题,这里标题和列名相同
c.Width = wds(i) '指定列宽
Next
For Each zh As String In DataTables("预约表").GetValues("开始时") '增加分组
Dim grp As WinForm.ListViewGroup = lvw.Groups.Add()
grp.Name = zh
grp.Text = zh
Next
For Each dr As DataRow In DataTables("预约表").DataRows
Dim r As WinForm.ListViewRow = lvw.Rows.Add() '增加一行
r.Group = dr("开始时") '指定所属分组
For Each cl As String In cls '逐列取值
r(cl) = dr(cl)
Next
Next
lvw.ResumeRedraw() '恢复绘制