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I updated a list of mine by adding a column. After this update I receive the following error "Value does not fall within the expected range" when I try to get the data in the colum.

This is the code that I use to get the data:

        private static DateTime GetModified(SPListItem item)
        var field = item.Fields.GetFieldByInternalName("LastRevision");

        if (!field.Hidden && item.Fields.ContainsFieldWithStaticName(field.StaticName) 
            && item.GetFormattedValue(field.InternalName) != null)
            return (DateTime)item[field.Id];

        return DateTime.Parse(item["StartDate"].ToString());

I want show to you what happen with the Convert.ToDateTime too: enter image description here

share|improve this question

Ok, try with this code:

    private static DateTime GetModified(SPListItem item)
        var properties = item.Properties;
        const string mycustomField = "LastRevision";
        var startDate = Convert.ToDateTime(item["StartDate"].ToString());

        if (!properties.ContainsKey(mycustomField))
            return startDate;

        string lastRevision = properties[mycustomField].ToString();
        DateTime dt;

        if (DateTime.TryParse(lastRevision, out dt))
            return dt;

        return startDate;

if you use an item from a library you can get the metadata info by the properties of the item.

share|improve this answer

Looks like you are getting a null value in your date field, add some error checking on your parser... (Or use Convert.ToDateTime(string) which adds it for you)

DateTime.Parse only contains:

// Reflected code
internal static DateTime Parse(string s, DateTimeFormatInfo dtfi, DateTimeStyles styles)
    if (!DateTimeParse.TryParse(s, dtfi, styles, ref result1))
        throw DateTimeParse.GetDateTimeParseException(ref result1);
        return result1.parsedDate;

So if you try and parse the time data yourself by calling DateTimeParse.TryParse, I would then set the value to:

new DateTime((long) 0);

But as I said Convert.ToDateTime(string) handles this check for you.


To get the value of a field properly as a type:

DateTime fldModified = (DateTime)item.Fields.GetFieldByInternalName("CustomDateField");

Try that, I just tested on mine works fine.

share|improve this answer
it is not null the value inside but the system doesn't find the column! – Gaetanu Nov 8 '12 at 9:30
@Gaetanu In that case you must be using the wrong internal name for the column. Edit the field and check the internal name for LastRevision. – Hugh Wood Nov 8 '12 at 9:33
it's correct; I got it by powershell – Gaetanu Nov 8 '12 at 9:37
@Gaetanu there must be a reason why the field isn't being found. But surely your LastRevision column is no different to Modified? Try checking the list with SharePoint Manager, and having a look at the field in detail. – Hugh Wood Nov 8 '12 at 9:49
Excuse me @Gaetanu, is it an item in a list or in a library? Did you try to use the Properties property? – Salvatore Di Fazio Nov 8 '12 at 14:23

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