DateTime Conversion in C# Asp.Net

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Dear All,

while parsing the string as DateTime in C#, the Following Exception Occurred for the Following string format.
string pstrDepartureDateTime = "2012-03-27T6:30";
suppose if the string format is in yyyy-MM-ddTHH:mm (i.e)
string pstrDepartureDateTime = "2012-03-27T06:30"; means parsing and the datetime conversion is working fine.

pls give solution.

Thanks,
lenin

Posted 26-Mar-12 4:25am

Lenin Mathi

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ProEnggSoft 27-Mar-12 7:51am

Please see my solution (2)to check whether it meets your requirement.

3 solutions

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ProEnggSoft · Answer 1 · 2012-03-26T05:01:00

One option is to bring the Date string into the standard format Date string and then to use DateTime.ParseExact method

C#

static void Main(string[] args) {
    string datePattern = @"(\d{4})-(\d{1,2})-(\d{1,2})T(\d{1,2}):(\d{1,2})";
    string dateString = "2012-3-27T6:30";
    Match dateMatch = Regex.Match(dateString, datePattern);
    string spacers = "00--T:";
    if (dateMatch.Success && dateMatch.Groups.Count==6) {
        string formattedDateString = dateMatch.Groups[1].Value;
        for (int i = 2; i < dateMatch.Groups.Count; i++) {
            formattedDateString += spacers[i] + dateMatch.Groups[i].Value.PadLeft(2, '0');
        }
 
	var dt = new DateTime(int.Parse(dateMatch.Groups[1].Value),
	    int.Parse(dateMatch.Groups[2].Value),
	    int.Parse(dateMatch.Groups[3].Value),
	    int.Parse(dateMatch.Groups[4].Value),
	    int.Parse(dateMatch.Groups[5].Value), 0);
	 Console.WriteLine(formattedDateString);
	 Console.Write(dt);
	 Console.ReadKey();
    }
}

Clifford Nelson · Answer 2 · 2012-03-26T07:53:00

Solution 3

You might also look at http://msdn.microsoft.com/en-us/library/5hh873ya.aspx[^]. there is a DateTime.TryParseExact that may be even easier and faster.

Posted 26-Mar-12 7:53am

Clifford Nelson

Abhinav S · Answer 3 · 2012-03-26T04:40:00

Solution 1

Not sure what the question is, but try using DateTime.TryParse to ensure[^] if the value is a date time or not.

Posted 26-Mar-12 4:40am

Abhinav S