Date Time Problem in Asp.Net

Question

4.00/5 (1 vote)

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i am using ajax calender,so that i am taking date from a textbox.

when i am taking it from textbox,it is a string and like 26/01/2011

and i want to put it in database,my database datatype id DateTime,so that i want to convert it to DateTime

So i used Convert.ToDatetime(txtDate.Text)

Then i got 26/1/2011 12:00:00 AM

This is not supported by sql server DateTime Datat Type

Please help me to do it.

The way i did:

C#

string joindate = txtJdate.Text;
               string dobdate = txtDob.Text;
               DateTime join, dob;
               join = Convert.ToDateTime(joindate);
               dob = Convert.ToDateTime(dobdate);
obj.IDUCommand("insert into tbl_empdetails values(" + dob + "," + join + ")")

The corresponding sql query is :

insert into tbl_empdetails values(18/1/2011 12:00:00 AM,25/1/2011 12:00:00 AM)

The error is :

" Incorrect syntax near 12 "

Posted 26-Jan-11 0:47am

kishore Rajendran

Updated 26-Jan-11 18:19pm

v4

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4 solutions

Solution 3

DateTime DOJ = DateTime.ParseExact(txtJdate.Text,"dd/MM/yyyy",null);
then pass in table and its working at my side.

Posted 26-Jan-11 17:25pm

Mohd Wasif

Solution 4

using the following statement is better...

C#

DateTime DOJ;
if (DateTime.TryParseExact(txtJdate.Text, "dd/MM/yyyy", CultureInfo.InvariantCulture, DateTimeStyles.None, out DOJ))
{
//Do what ever u want with that date...   
}
else
{
// invalid date format...
}

Posted 26-Jan-11 18:03pm

Aravind00kumar

Updated 26-Jan-11 22:41pm

v2

Solution 5

Use like this:

Convert.ToDateTime(txtJdate.Text).ToString("yyyy-mm-dd");

Thank You all

Kishore R

Posted 26-Jan-11 22:37pm

kishore Rajendran

Updated 26-Jan-11 22:42pm

v2

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OriginalGriff · Accepted Answer · 2011-01-26T00:56:00

It's because of the way you put it into the database. You have (deliberately or accidentally) converted it from a DateTime to a string: probably by saying something like:

SqlCommand com = new SqlCommand("INSERT INTO myTable (date) VALUES ('" + myDateTime + "')", con);

Unfortunatley, SQL expects data strings in ISO format: "yyyy/MM/dd hh:mm:ss" which your locale does not do by default.

The best solution is to use parametrized queries instead:

SqlCommand com = new SqlCommand("INSERT INTO myTable (date) VALUES (@DT)", con);
com.Parameters.AddWithValue("@DT", myDateTime);

This has the additional advantage of not being prone to SQL Injection attacks, and is worth doing for all database access.