日期可以直接比较,但从页面取来的日期要用单引号括起来!
if (PickDate_Qg.SelectedDates.Count > 0)//判断该日历控件是否为空!
{
strSql += @" and DATE_JOB>='"+PickDate_Qg.SelectedDate+"'";
}
if (PickDate.SelectedDates.Count > 0)//判断该日历控件是否为空!
{
strSql += @" and DATE_JOB<='"+PickDate.SelectedDate+"'";//后面日期要用引号!
}


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