vb.net实现一个自定义类数组的排序

答案：  
今天下午做东西时遇到这样的问题：
    把公司所有员工的业绩（回访数量，收费情况）用一个柱型图表示出来，要求：
A：Y轴表示公司的所有员工且业绩为0的员工不显示出来，X轴表示业绩数量（回访数量+收费情况）；
B：按要求对柱图实现升序或着降序
    按以上要求所得思路为：
首先建立一个类（也可以通过结构来实现），类中包含的属性（或字段）为员工ID属性（或字段），员工回访数量属性（或字段），员工收费情况属性（或字段），员工业绩属性等等。（为了能利用Array中的sort需要实现一个接口，会在原码中说明）
接着通过一个table来通过颜色或着图片表现出来。下面是实现的原码：
Public Class wordload
    Implements IComparable'一定要实现这个接口，才能利用下面的：Array.Sort
    Public pay As Integer '维护数量
    Public go_back As Integer '回访数量
    Public name As String '用户名称
    Public total_ As Integer '维护数量+回访数量
'以下是想通过那个属性（或字段），来进行排序
    Public Function CompareTo(ByVal obj As Object) As Integer Implements System.IComparable.CompareTo
        Dim other As wordload = CType(obj, wordload)
        Return total_.CompareTo(other.total_)
    End Function
    Public Sub New(ByVal pay_value As Integer, ByVal go_back_value As Integer, ByVal name_value As String)
        pay = pay_value
        name = name_value
        go_back = go_back_value
        total_ = pay + go_back
    End Sub
End Class
 Public Sub creat_test(ByVal myarr() As wordload, ByVal mytable As System.Web.UI.WebControls.Table)
        Array.Sort(myarr)'说明利用Array进行排序
        Dim rows_num As Integer = myarr.Length + 1 '说明：人员做为y轴，即人员的个数做为行数，其中为了写表头，要加一行，所以表的总行数为，人员个数+1
        Dim total_comm_num As Integer = myarr(myarr.Length - 1).total_ '说明：列数为工作量加1，因为人员的名字要占一列
        Dim pay_width As Integer '定义维护宽度
        Dim go_back_width As Integer '定义回访宽度
        Dim myimage As HtmlControls.HtmlImage
        Dim myspan As HtmlControls.HtmlGenericControl
        Dim begin_myrow As New Web.UI.WebControls.TableRow
        Dim mycell1 As New UI.WebControls.TableCell
        Dim mycol1 As New Color
        mycell1.Text = "员工"
        mycell1.BackColor = mycol1.Green
        mycell1.Style.Add("BACKGROUND-COLOR", "#949294")
        mycell1.Style.Add("FONT-WEIGHT", "bold")
        mycell1.Style.Add("FONT-SIZE", "18pt")
        mycell1.Style.Add("COLOR", "#ffffff")
        mycell1.Width = WebControls.Unit.Pixel(60)
        begin_myrow.Cells.Add(mycell1)
        begin_myrow.Width = Unit.Pixel(700)
        For b As Integer = 0 To 7 '写第一行的列
            Dim mycol As New Color
            If b = 0 Then
                Dim mycell As New UI.WebControls.TableCell
                'mycell.BackColor = mycol.LightGreen
                begin_myrow.Cells.Add(mycell)
            Else
                myspan = New HtmlControls.HtmlGenericControl
                myspan.InnerText = ((total_comm_num * (b - 1) / 7) \ 1).ToString
                myspan.Style.Add("WIDTH", "80px") 'WIDTH: 100px;
                myspan.Style.Add("HEIGHT", "40px") ' HEIGHT: 100px;: bold; FONT-SIZE: 18pt;COLOR: #ffffff;
                myspan.Style.Add("BACKGROUND-COLOR", "#949294")
                myspan.Style.Add("FONT-WEIGHT", "bold")
                myspan.Style.Add("FONT-SIZE", "18pt")
                myspan.Style.Add("COLOR", "#ffffff")
                begin_myrow.Cells(1).Controls.Add(myspan)
            End If
        Next
        mytable.Rows.Add(begin_myrow)
        For i As Integer = 0 To rows_num - 2
            pay_width = (500 * myarr(i).pay / total_comm_num) \ 1 '给维护宽度进行赋值
            go_back_width = (500 * myarr(i).go_back / total_comm_num) \ 1 '给回访宽度进行赋值
            Dim myrow As New Web.UI.WebControls.TableRow
            myrow.Width = Unit.Pixel(700)
            Dim j As Integer
            '以下循环是添加维护情况
            For j = 0 To pay_width
                If j = 0 Then '在第一列要写进用户的名称
                    Dim mycell As New UI.WebControls.TableCell
                    mycell.Text = myarr(i).name
                    mycell.Width = WebControls.Unit.Pixel(60)
                    Dim mycol As New Color
                    mycell.BorderColor = mycol.DeepPink
                    myrow.Cells.Add(mycell)
                    Dim 

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