Dim Days As Integer Days = (e.Form.Controls("结束日期").Value - e.Form.Controls("开始日期").Value).TotalDays For i As Integer = 1 To days Dim dr = DataTables("假期安排").AddNew dr("安排项目") = e.Form.Controls("安排项目").text dr("日期") = e.Form.Controls("开始日期").Value.AddDays(i-1) Next