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
lblresult是一个label控件，确定你的设计界面加入了一个label控件并将其命名为lblresult
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
