c# - 向日期添加分钟不会更改日期 C# .NET

Question

双 TotalMinute=300.0 双 TotalMinutesAdded=1378.0

double TotalMinute=300.0
double TotalMinutesAdded=1378.0

foreach(DataRow dr in ds.Tables[0].Rows)
                {

                    //Add The above Timings to each Row's 2nd Column
                    DateTime correctDate=Convert.ToDateTime(dr[2]);

                    correctDate.AddMinutes(TotalMinute);
                    correctDate.AddMinutes(TotalMinutesAdded);

                    dr[2]=correctDate;

                }

Answer 1

DateTiem Add* 函数不应更改当前的 DateTime 值。他们返回新值。

如果你想改变你的值，输入如下:

correctDate = correctDate.AddMinutes(TotalMinute);