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Parsing strings into DateTime object in C#

Posted on 2010-11-29
11
2,376 Views
Last Modified: 2012-05-10
In the attached code script , from date is being working perfectly fine, but on parsing todate, it is saying that The DateTime represented by the string is not supported in calendar System.Globalization.GregorianCalendar.

The syntax and format for both the dates are exactly the same ,Its giving me quite a bad headache.

Urgently required
string fromdate = txtFromdate.Text.ToString();
            string todate = txtToDate.Text.ToString();
            if(fromdate != "")
            {
                fromdate = DateTime.ParseExact(txtFromdate.Text.ToString(), "dd.MM.yyyy hh:mm:ss", null).ToString("MM/dd/yyyy hh:mm:ss");
            }
            
            if (todate != "")
            {
               todate = DateTime.ParseExact(txtToDate.Text.ToString(), "dd.MM.yyyy hh:mm:ss", null).ToString("MM/dd/yyyy hh:mm:ss");
               
            }
            else if (todate == "")
            {
                DateTime current = DateTime.Now;
                todate = current.ToString();
            }

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Question by:Ammar Iqbal
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11 Comments
 
LVL 18

Expert Comment

by:Richard Lee
ID: 34231572
What dates are you passing to this routine. Could you post the exact string so that the issue could be replicated.

DaTribe
0
 
LVL 32

Expert Comment

by:Erick37
ID: 34231660
Are you sure the input is in the correct format?

Passing in a date "12.13.2010 12:12:12" will throw that error -- the month and day are transposed.
0
 
LVL 1

Author Comment

by:Ammar Iqbal
ID: 34231719


 From date  is this "11/10/2010 11:04:40" which is perfectly fine
Todate is this  "11.24.2010 08:10:20".. it  is giving this exception

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LVL 1

Author Comment

by:Ammar Iqbal
ID: 34231727
I have given the parsed result of fromdate, and todate is unsuccessfull in parsing
0
 
LVL 1

Author Comment

by:Ammar Iqbal
ID: 34231730
i am going nuts
0
 
LVL 18

Accepted Solution

by:
Richard Lee earned 500 total points
ID: 34231738
Try switching to 24.11.2010 08:10:20

DaTribe
0
 
LVL 1

Author Comment

by:Ammar Iqbal
ID: 34231747
i want to have this pattern of time with "/" in it , because i need to parse in the filter criteria for the sql query, and the datetime fields of sql query recognize "/" slashes
0
 
LVL 1

Author Comment

by:Ammar Iqbal
ID: 34231750
ok
0
 
LVL 1

Author Comment

by:Ammar Iqbal
ID: 34231772
Got it.. It was  fool of me , that i set the format of todate as MM.dd, and iam trying over here as dd.mm

thankx  for looking into it
0
 
LVL 18

Expert Comment

by:Richard Lee
ID: 34231778
Simply replace the . with /
0
 
LVL 16

Expert Comment

by:kris_per
ID: 34231786

Try changing  dd.MM.yyyy to =>  MM.dd.yyyy like:
...
if(fromdate != "")
            {
                fromdate = DateTime.ParseExact(txtFromdate.Text.ToString(), "MM.dd.yyyy hh:mm:ss", null).ToString("MM/dd/yyyy hh:mm:ss");
            }
            
            if (todate != "")
            {
               todate = DateTime.ParseExact(txtToDate.Text.ToString(), "MM.dd.yyyy hh:mm:ss", null).ToString("MM/dd/yyyy hh:mm:ss");
               
            }
...

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