VB.NET中LISTVIEW排序

控件:

TEXTBOX :1个 Name:txtJobNo

BUTTON: 2个 Name:btnFilter,btnShowAll

LISTVIEW : 1个 Name:lstvwJobNo Columns:JobNo,ContainerID,CartonID,PO,Style,Color,Size,ShipMent,Factory Sorting:none

源代码:

Imports System.Data.SqlClient

Dim con As New SqlConnection
Dim varSQL As String
Dim r As Integer
Dim conString As String ="data source=127.0.0.1;initial catalog=mydb; uid=sa;password=123"

'定义默认排序变量
Dim mySort As String = "ASC"

'定义默认字段变量
Dim myField As String = "JOB.JOBNO"

'过滤指定条件的记录
Private Sub btnFilter_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnFilter.Click
Try
Dim fJobNo As String = ""
fJobNo = txtJobNo.Text.Trim()
r = List_dgJobNo(fJobNo)

Catch ex As Exception
MessageBox.Show(ex.ToString)
Finally
If con.State = ConnectionState.Open Then
con.Close()
End If
End Try
End Sub

'显示所有记录
Private Sub btnShowAll_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnShowAll.Click
List_dgJobNo("")
End Sub

'函数功能：将读取出来的数据写入lstvwJovNo的表格中
'函数名称：List_dgJobNo,调用格式：List_dgJobNo("10022")，List_dgJobNo("")
'参 数：fJobNo，要查询的工作号JOBNO，为空时则查询所有的
'编 写 者：SD
'日 期：2005-9-23
'转载请保留此信息
Private Function List_dgJobNo(ByVal fJobNo As String) As Integer
Try
Cursor.Current = Cursors.WaitCursor

lstvwJobNo.Items.Clear()

con = New SqlConnection(conString)

Dim cmd As SqlCommand
Dim rd As SqlDataReader

If fJobNo.Length > 0 Then
varSQL = "SELECT JOB.JOBNO,CONTAINERNO,CARTONFROM,PO,STYLE,COLOR,CARTONSIZE,SHIPMENT,FACTORY FROM JOB,JOB_LINE WHERE JOB.JOBNO=JOB_LINE.JOBNO AND JOB.JOBNO LIKE '%" & fJobNo & "%' "
Else
varSQL = "SELECT JOB.JOBNO,CONTAINERNO,CARTONFROM,PO,STYLE,COLOR,CARTONSIZE,SHIPMENT,FACTORY FROM JOB,JOB_LINE WHERE JOB.JOBNO=JOB_LINE.JOBNO "
End If

varSQL = varSQL & "ORDER BY " & myField & " " & mySort & ";"

cmd = New SqlCommand(varSQL, con)
rd = cmd.ExecuteReader

Dim lsv As ListViewItem

While rd.Read
lsv = New ListViewItem(rd("JOBNO").ToString)
'lsv.Checked = True

lsv.SubItems.Add(rd("ContainerNo").ToString)
lsv.SubItems.Add(rd("CartonFrom").ToString)
lsv.SubItems.Add(rd("PO").ToString)
lsv.SubItems.Add(rd("Style").ToString)
lsv.SubItems.Add(rd("Color").ToString)
lsv.SubItems.Add(rd("CartonSize").ToString)
lsv.SubItems.Add(rd("ShipMent").ToString)
lsv.SubItems.Add(rd("Factory").ToString)

lstvwJobNo.Items.Add(lsv)
End While
Cursor.Current = Cursors.Default
Return List_dgJobNo = 1
Catch ex As Exception
MessageBox.Show(ex.ToString)
Return List_dgJobNo = -1
Finally
If con.State = ConnectionState.Open Then
con.Close()
End If
End Try
End Function

'获得排序的字段,并显示排序标记
Private Sub lstvwJobNo_ColumnClick(ByVal sender As Object, ByVal e As System.Windows.Forms.ColumnClickEventArgs) Handles lstvwJobNo.ColumnClick
Select Case e.Column.ToString
Case 0
myField = "JOB.JOBNO"
Case 1
myField = "CONTAINERNO"
Case 2
myField = "CARTONFROM"
Case 3
myField = "PO"
Case 4
myField = "STYLE"
Case 5
myField = "COLOR"
Case 6
myField = "CARTONSIZE"
Case 7
myField = "SHIPMENT"
Case 8
myField = "FACTORY"
End Select

Dim i As Integer

For i = 0 To 8
lstvwJobNo.Columns(i).Text = lstvwJobNo.Columns(i).Text.Replace(" ▼", "").Replace(" ▲", "")
Next

If mySort = "ASC" Then
lstvwJobNo.Columns(e.Column.ToString).Text = lstvwJobNo.Columns(e.Column.ToString).Text & " ▼"
mySort = "DESC"
Else
mySort = "ASC"
lstvwJobNo.Columns(e.Column.ToString).Text = lstvwJobNo.Columns(e.Column.ToString).Text & " ▲"
End If

Dim fJobNo As String = ""
fJobNo = txtJobNo.Text.Trim()
r = List_dgJobNo(fJobNo)
lstvwJobNo.Refresh()

End Sub