How to prevent removing miliseconds from DataTable

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3.50/5 (2 votes)

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Hello developers

I am importing one DataTable values to second DataTable by using and visualizing them in DataGridView.

C#

foreach (DataRow dr in datatable.Rows)
{
    datatable2.ImportRow(dr);
}

This code is working good but a problem is that my second DataTable contains a FIRST_DATE column whose values are like 02-06-09 12:09:25.
But, when I import first DataTable values into second DataTable values they are viewed like this 02.06.09 12:09 miliseconds are removed from all FIRST_DATA values.

Please solve my problem.

[Note: those removed are seconds, not ~~milliseconds~~ (spelled with double l, anyway)]

Posted 19-Dec-10 21:10pm

vishu1999a

Updated 20-Dec-10 10:31am

Toli Cuturicu

v3

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Richard MacCutchan 20-Dec-10 3:47am

Just change the format on your display code such that it displays the time correctly. BTW it's the seconds that are missing.

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johannesnestler · Accepted Answer · 2010-12-19T21:51:00

Hallo Vishu,

I can not verify loss of precision when importing rows. I did a quick test:

using System;
using System.Data;
namespace Removed_Seconds
{
    class Program
    {
        static void Main(string[] args)
        {
            DateTime datetime = DateTime.Now;
            DataTable tableOriginal = new DataTable("Original");
            tableOriginal.Columns.Add("Time", typeof(DateTime));
            DataTable tableCopy = new DataTable("Copy");
            tableCopy.Columns.Add("Time", typeof(DateTime));
            tableOriginal.Rows.Add(datetime);
            tableCopy.ImportRow(tableOriginal.Rows[0]);
            DateTime dtOriginal = (DateTime) tableOriginal.Rows[0]["Time"];
            DateTime dtCopy = (DateTime) tableCopy.Rows[0]["Time"];
            Console.WriteLine("Original Time: {0}:{1}", dtOriginal, dtOriginal.Millisecond);
            Console.WriteLine("Copy Time: {0}:{1}", dtCopy, dtCopy.Millisecond);
            Console.ReadKey();
        }
    }
}

Result: Values are imported as expected.
It seems you have some other problem.
Btw. You talked about Milliseconds but in your example you showed that Seconds are missing
(02.06.09 12:09)