欲从X在标签显示加成数为y,即26 + 27 + 28 + 29 + 30 = 140。从X号码添加到y视觉基本
眼下LBL3显示:26 + 30 = 140.我希望它显示26 + 27 + 28 + 29 + 30 = 140.
这是我到目前为止。
Dim startingNum As Integer = Val(txtbx1.Text)
Dim endingNum As Integer = Val(txtbx2.Text)
Dim totalNum As Integer = (endingNum - startingNum) + 1
Dim totalSum As Integer = (totalNum/2) * (2 * startingNum + (totalNum - 1))
For count As Integer = startingNum To endingNum Step 1
Me.lbl3.Text = startingNum & " + " & count & " = " & totalSum
Next count
每次程序确实'lbl3.Text = startingNum和 “+” &计数& “=”&totalSum'它*覆盖'lbl.Text'的值。 –