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My question is there any data type is there in MySQL to insert date of birth into the database table directly else which data type i can choose to insert date of birth into the table?
You're looking for a date, so use the data type DATE
Use the DATE datatype. See here: http://dev.mysql.com/doc/refman/5.1/en/datetime.html the DATE type is distinct from DATETIME in that it ignores the time. You must use the YYYY-MM-DD format in your INSERT OR UPDATE SQL if you're not using parameters (which you should be).
CREATE TABLE People (
dateOfBirth DATE NOT NULL
)
INSERT INTO People ( dateOfBirth ) VALUES ( '1966-07-01' )
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In my database the date and time appear together with the data that was placed, but if I filter by date in C# as it has the time together I can't filter by date. Do I have to create a field for the date and another for the time?
...
WHERE med_date > '2021-06-08'
will get you all values that are after midnight at the start of today.
If you want to compute daily statistics then use CAST(... AS date) such as
SELECT CAST(med_date AS date) AS med_date, COUNT(*) AS n
FROM TheTable
GROUP BY CAST(med_date AS date)
ORDER BY 1
If you're using entity framework and LINQ to SQL queries, you can filter for date this way. Is that what you looking for?
dbcontext.DbSet<YouerEntity>.Where(x=>x.med_data.Date >= Date)
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IN SQL SERVER can create XML Document like following format with every column name come with Datafield FieldName="Batch"
CID,BATCH,EXP_DATE are column names.
enter image description here
Try something like
SELECT 'BATCH' AS [DataField/#fieldName]
,BATCH AS [DataField]
,''
,'EXP_DATE' AS [DataField/#fieldName]
,EXP_Date AS [DataField]
FROM SomeWhere
FOR XML PATH('Memory');
The empty string in the middle is needed to start a new element
And be aware, that the dateformat will be ISO8601 and not 190615 (you should be happy about this!)
If you want to achieve XML document creation from C#, then it can be achieved through ADO.net with Help of DataSet. Method name is DataSet.WriteXml(string Filename).
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I have a C# program that communicates with MySql database and I want to write current time to database column defined as TIME. Now, when I run my program the time that has been written is for example 00:00:19 and not for example 19:34:00. Why this happens and how can I solve this?
Thanks in advance
SOLUTION
This solved the problem:
DateTime.Now.ToString("yyyyMMddHHmmss")
this because the format mysql : "yyyy-MM-dd hh:mm:ss"
check the format in you programme or try to insert a String like this "2016-23-08 13:00:00"
I think the problem caused by dateTimeVariable.ToString() method of your DateTime value.
To solve this problem use dateTimeVariable.ToString("s") to convert the DateTime to standard DateTime string.
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I am using Entity Framework Database First Approach and
I want to move Date first object to second object First Object is System.DateTime and the date Format is (01-10-2015) but i want to (2015-10-01) for Second Object After Converting Date in to second Object the Second Object inset in to data base
Can anyone Help me
Use DateTime.ParseExact:
DateTime temp = DateTime.ParseExact(date, "yyyy-MM-dd", CultureInfo.InvariantCulture);
You need to specify the format:
DateTime.ParseExact("10/01/2015 12:00:00 AM", "yyyy-MM-dd", CultureInfo.InvariantCulture)
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I have changed format to dd-mm-yy in backend of page, i want to save date in'dd-mm-yy' format e.g.'23-02-2015' in database.and retreieve it in this format, i am using datetime picker in the text field...i changed the format of date picker to my 'dd-mm-yyyy' but its not saving data in that format and cause the below error
String was not recognized as a valid DateTime.
Any suggestions?
Simply don't use strings to represent dates.
the DateTime struct of c# maps to sql server's datetime data type directly, meaning that you can simply send the DateTime struct as a parameter value in your SqlCommand object (I hope you are using parameterized queries or stored procedure. If not, then start using them right now, unless you want to be vulnerable to Sql injection attacks.)
Read here and there about the difference between Display format and storing format of date values in sql server.
"String was not recognized as a valid DateTime."
First , why aren't you sending datetime object ?
If you can't(!) , well ,
If your datetime object id dt so do dt.ToString("yyyy-MM-ddTHH':'mm':'sszzz", DateTimeFormatInfo.InvariantInfo)
This will be a valid iso datetime string.
The only truly safe formats for date/time literals in SQL Server, at least for DATETIME and SMALLDATETIME, are:
YYYYMMDD
YYYY-MM-DDThh:nn[:ss[:mmm]]