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How to format a datetime boundfield in codebehind

Posted on 2009-06-30
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Last Modified: 2012-05-07
I'm trying to format a datetime field in a gridview from code-behind (this is for a SharePoint WSP so I don't have an ASPX Page to work from) but my format is being ignored. I'm trying to accomplish 2 things, remove military time format from the Boundfield and format the date in this format "{0:MM/dd/yyyy HH:ss}"
BoundField modifiedField = new BoundField();
            modifiedField.HtmlEncode = false;
            modifiedField.HeaderText = "Modified";
            modifiedField.DataField = "Modified";
            modifiedField.ApplyFormatInEditMode = true;
            modifiedField.DataFormatString = "{0:MM/dd/yyyy HH:ss}";
            tasksCollection.Columns.Add(modifiedField);

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Question by:kvigor
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Expert Comment

by:Shaun Kline
ID: 24747823
You will need to check the underlying data field and verify that its data type is a date/time. If the data type is string, the data format string will not work, as it only works on dates, numbers, enumerators and boolean data types. BTW, was your intention to not display minutes?
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Author Comment

by:kvigor
ID: 24747988
No, my error about the minutes, I'll GeType and check. Meantime this is how the GridView Returns the field without any formating...
Gridview.jpg
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Accepted Solution

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kvigor earned 0 total points
ID: 24764256
OK
This didn't work:
                    if (row["modified"].GetType().Equals("DateTime"))
                    {
                        row["modified"] = row["modified"].ToString() + "isString";
                    }
This did work:
 row["modified"] = DateTime.Parse(row["modified"].ToString()).ToShortDateString() + "<br />" + DateTime.Parse(row["modified"].ToString()).ToShortTimeString();
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