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Public Class Form1 Dim Hours,minutes,Seconds As Integer Private Sub btnReset_Click(ByVal sender As System.Object,ByVal e As System.EventArgs) Handles btnReset.Click lblHours.Text = "00" lblminutes.Text = "00" lblSeconds.Text = "00" txtTimeSeconds.Text = "" txtFormattedTime.Text = "" End Sub Private Sub btnCalculate_Click(ByVal sender As System.Object,ByVal e As System.EventArgs) Handles btnCalculate1.Click Seconds = Integer.Parse(txtTimeSeconds.Text) Hours = Seconds / 3600 Seconds = Seconds Mod 3600 minutes = Seconds / 60 Seconds = Seconds Mod 60 lblHours.Text = Hours.ToString.PadLeft(2,"0"C) lblminutes.Text = minutes.ToString.PadLeft(2,"0"C) lblSeconds.Text = Seconds.ToString.PadLeft(2,"0"C) txtFormattedTime.Text = Hours.ToString.PadLeft(2,"0"C) & ":" & minutes.ToString.PadLeft(2,"0"C) & ":" & Seconds.ToString.PadLeft(2,"0"C) End Sub End Class
当输入值为30时,它工作:
当输入值为31时,它不起作用:
我做错了什么?如何解决这个问题?
dim iSecond as double = 0 '@R_682_10586@l number of seconds Dim iSpan As TimeSpan = TimeSpan.FromSeconds(iSecond) lblHours.Text = iSpan.Hours.ToString.PadLeft(2,"0"C) lblminutes.Text = iSpan.minutes.ToString.PadLeft(2,"0"C) lblSeconds.Text = iSpan.Seconds.ToString.PadLeft(2,"0"C) txtFormattedTime.Text = iSpan.Hours.ToString.PadLeft(2,"0"C) & ":" & _ iSpan.minutes.ToString.PadLeft(2,"0"C) & ":" & _ iSpan.Seconds.ToString.PadLeft(2,"0"C)
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