DateTime UTC Converion in Submitchanges()

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.NET3.5

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Hi,

How to do Datetime UTC Convertion in linq Submit changes method in .net Application?

Thanks in Advance

Posted 9-Jan-14 23:20pm

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Richard MacCutchan 10-Jan-14 7:45am

Conversion to what?

suresh_ed 10-Jan-14 8:27am

Convert client machine localtime to universaltime by getting client timezone .

I have Dataset with number of columns.I need to convert all datetime fields value to Universal time instead of coding seperately like DateTime.Now.ToUniversalTime() to each field .For that We have any method or property in LINQ Submitchanges().

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njammy · Answer 1 · 2014-01-10T14:03:00

Example:

C#

var rows = ds.Tables["client"].AsEnumerable().Select(row => new { id = row["id"], utc = ((DateTime)row["dob"]).ToUniversalTime() });

This example creates a new object array list with new properties 'id' and 'utc'. You can replace this with a known class type or use to create a new list with all data in utc.

To replace all date time fields in one go, do this:
first get a result of all the date time fields,

C#

var dateTimeFields = from column in ds.Tables["client"].Columns.Cast<DataColumn>()
                                 where column.DataType == typeof(DateTime)
                                 select column;

then set the new value for each Datetime field in each row:

            foreach (var row in ds.Tables["client"].AsEnumerable())
                foreach (var field in dateTimeFields)
                    row.SetField(field.ColumnName, row.Field<DateTime>(field.ColumnName).ToUniversalTime());