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Sep 12th, 2009

convert from one timeformat to another

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Hi all

I want to create a method that converts from one time or date format (as a string) to another by specifying the inputformat and the outputformat. I can do the output as below but I'm struggling on how to specify what the input format is. Can anyone help?
thanks.

C# Syntax (Toggle Plain Text)
 
//I'm halfway there.
string date = FormatDateTime(myDate, "yyyyMMdd"));
string time = FormatDateTime(myTime, "HHmm"));
 
 
        private string FormatDateTime(string dateortime, string outputformat)
        {
            string ret = "";
            if (dateortime == "")
                return "";
            try
            {
                ret = System.Convert.ToDateTime(dateortime).ToString(outputformat);
            }
            catch
            {
            }
            return ret;
        }
//I'm halfway there.
string date = FormatDateTime(myDate, "yyyyMMdd"));
string time = FormatDateTime(myTime, "HHmm"));


        private string FormatDateTime(string dateortime, string outputformat)
        {
            string ret = "";
            if (dateortime == "")
                return "";
            try
            {
                ret = System.Convert.ToDateTime(dateortime).ToString(outputformat);
            }
            catch
            {
            }
            return ret;
        }

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tig2810

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Sep 13th, 2009

Re: convert from one timeformat to another

Use a DateTime to do it.
As an example look at this.

ddanbe

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Sep 13th, 2009

Re: convert from one timeformat to another

Use DateTime.TryParseExact

Quote ...

SUMMARY:
Converts the specified string representation of a date and time to its DateTime equivalent using the specified format, culture-specific format information, and style. The format of the string representation must match the specified format exactly. The method returns a value that indicates whether the conversion succeeded.

adatapost

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Posting Genius

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Sep 13th, 2009

Re: convert from one timeformat to another

DateTime.TryParseExact is exactly what I need. Works perfectly :-)

tig2810

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