VB点虐 中的求和问题

Private Sub Command1_Click()

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MsgBox CalcResult(2)

End Sub

Public Function CalcResult(X As Long) As Double

Dim dblMinLevel As Double

Dim dblItem As Double

Dim dblN As Double

Dim dblMember As Double, dblBase As Double

Dim i As Double

Dim dblResult As Double

dblMinLevel = 10 ^ (-6)

dblN = 0

Do

dblMember = X ^ dblN

dblBase = 1

i = dblN

Do While i 1

dblBase = dblBase * i

i = i - 1

Loop

dblItem = dblMember / dblBase

dblResult = dblResult + dblItem

dblN = dblN + 1

Loop While dblItem = dblMinLevel

CalcResult = dblResult

End Function

vb点虐 中怎么对listview字段中的数据进行求和

循环相加即可

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click

Dim sum As Double = 0

For i = 0 To ListView1.Items.Count - 1 '

sum += Val(ListView1.Items(i).SubItems(2).Text)

Next

MsgBox("消费金额："  sum)

End Sub

VB.NET 中datagrid一列怎么求和

Dim textColumn As New DataGridViewTextBoxColumn() '定义一个新的textbox格式的列

textColumn.Name = "Column1" '定义该列的Name

textColumn.HeaderText = "Column1" '定义该列的标题

DataGridView1.Columns.Add(textColumn)

For Each r As DataGridViewRow In DataGridView1.Rows '循环DataGridView的行

r.Cells(textColumn.Index).Value = r.Cells(0).Value + r.Cells(1).Value '将第一列和第二列单元格数据相加，并显示在新添加的单元格上

Next

本文题目：vb点虐 字段求和 vbs求和代码
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