SharePoint field objects – classname, name and types

While working on one of SharePoint project I searched for classnames and fieldtypes that I needed to identify all different field types.

Following table shows most important fields for list.

important fields.

Classname	Type	TypeAsString	TypeDisplayName	TypeShortDescription
Microsoft.SharePoint.SPFieldBoolean	Boolean	Boolean	Yes/No	Yes/No (check box)
Microsoft.SharePoint.SPFieldCalculated	Calculated	Calculated	Calculated	Calculated (calculation based on other columns)
Microsoft.SharePoint.SPFieldChoice	Choice	Choice	Choice	Choice (menu to choose from)
Microsoft.SharePoint.SPFieldComputed	Computed	Computed	Computed	Computed
Microsoft.SharePoint.SPFIeld	ContentTypeId	ContentTypeId	Content Type Id	Content Type Id
Microsoft.SharePoint.SPFieldCurrency	Currency	Currency	Currency	Currency ($, , ?)
Microsoft.SharePoint.SPFieldDateTime	DateTime	DateTime	Date and Time	Date and Time
Microsoft.SharePoint.SPFieldFile	File	File	File	File
Microsoft.SharePoint.SPField	Guid	Guid	Guid	Guid
Microsoft.SharePoint.SPFieldNumber	Integer	Integer	Integer	Integer
Microsoft.SharePoint.Portal.WebControls.BusinessDataField	Invalid	BusinessData	Business data	Business data
Microsoft.SharePoint.Publishing.Fields.ContentTypeIdFieldType	Invalid	ContentTypeIdFieldType	Content Type Id	Content Type Id
Microsoft.SharePoint.Publishing.Fields.HtmlField	Invalid	HTML	Publishing HTML	Full HTML content with formatting and constraints for publishing
Microsoft.SharePoint.Publishing.Fields.ImageField	Invalid	Image	Publishing Image	Image with formatting and constraints for publishing
Microsoft.SharePoint.Publishing.Fields.LayoutVariationsField	Invalid	LayoutVariationsField	Variations	Page Layout Variations
Microsoft.SharePoint.Publishing.Fields.LinkField	Invalid	Link	Publishing Hyperlink	Hyperlink with formatting and constraints for publishing
Microsoft.SharePoint.Publishing.Fields.PublishingScheduleEndDateField	Invalid	PublishingScheduleEndDateFieldType	Publishing Schedule End Date	Publishing Schedule End Date
Microsoft.SharePoint.Publishing.Fields.PublishingScheduleStartDateField	Invalid	PublishingScheduleStartDateFieldType	Publishing Schedule Start Date	Publishing Schedule Start Date
Microsoft.SharePoint.Publishing.Fields.SummaryLinkField	Invalid	SummaryLinks	SummaryLinks	Summary Links data
Microsoft.Office.Server.WebControls.FieldTypes.SPFieldTargetTo	Invalid	TargetTo	Audience Targeting	Audience Targeting
Microsoft.SharePoint.SPFieldLookup	Lookup	Lookup	Lookup	Lookup (information already on this site)
Microsoft.SharePoint.SPFieldLookup	Lookup	LookupMulti	Lookup	Lookup (information already on this site)
Microsoft.SharePoint.SPFieldNumber	Number	Number	Number	Number (1, 1.0, 100)
Microsoft.SharePoint.SPFieldRecurrence	Recurrence	Recurrence	Recurrence	Recurrence
Microsoft.SharePoint.SPFieldMultiLineText	Note	Note	Multiple lines of text	Multiple lines of text
Microsoft.SharePoint.SPFieldText	Text	Text	Single line of text	Single line of text
Microsoft.SharePoint.SPFieldUrl	URL	URL	Hyperlink or Picture	Hyperlink or Picture
Microsoft.SharePoint.SPFieldUser

Samples:

SPSite site = new SPSite("http://office2007");

    SPWeb web = site.OpenWeb();

    SPList list = web.Lists["Documenten"];

    // Add a new text field

    list.Fields.Add("NewTextField", SPFieldType.Text, false);

    // Add a new HTML field

    HtmlField htmlField = new HtmlField(

        list.Fields, "HTML", "NewHTMLField");

    list.Fields.Add(htmlField);

Check this out for more info...