The MOSS SDK says the following about the Format attribute:
For Choice fields, this attribute can be set to Dropdown (default), which provides editing options through a drop-down selection, or to RadioButtons, which provides options through a group of radio buttons.
If you have already created a choice site column with the UI in SharePoint you will have noticed that you have several display modes of a choice field:
Display choices using:
- Drop-Down Menu
- Radio Buttons
- Checkboxes (allow multiple selections)
So I thought the display modes were related to the Format Attribute of the Choice field (Isn't that logic?). I was wrong! After a while I found another (the correct) type to realize a multichoice checkbox thing. The type is "MultiChoice":
Specifies a Choice field that implements check boxes and allows the user to select multiple values.
An example of how to make a multichoice field with a feature...
<.Field ID="{EB21EEF7-9B67-4eb8-8CC9-15F76264121F}" Name="Vacature Product" Group="Vacature Page Layout Site Columns" DisplayName="Product" SourceID="http://schemas.microsoft.com/sharepoint/v3/fields" StaticName="Vacature Product" Type="MultiChoice" Required="TRUE" FillInChoice="TRUE">
<.CHOICES.>
<.CHOICE>Marketing & Product Management<./CHOICE.>
<.CHOICE>Sales & Services<./CHOICE.>
<.CHOICE>Productie<./CHOICE.>
<.CHOICE>Redactie<./CHOICE.>
<.CHOICE>ICT & Design<./CHOICE.>
<.CHOICE>Human Resources<./CHOICE.>
<.CHOICE>Financieel & Business analyse<./CHOICE.>
<./CHOICES.>
<./Field.>
After the site column creation, you can use this fieldtype in a pagelayout with the CheckBoxChoiceField class.
Example:
<.SharePointWebControls:CheckBoxChoiceField FieldName="Product" runat="server" ID="CheckBoxChoiceField1"/.>
4 comments:
Thanks for this information...! I was testing each control to find the correct one...
Absolutely right. i was fighting with this for couple of hours. giving "checkbox" as format was logical but then its sharepoint.
absolutely. keeping "checkbox" as format was logical. i was fighting with this for couple of hours. thanks
Gr8, but how to select the default value?
Because, when I set the default value, than this value is not checked on page.
So there are only unchecked checkboxes, but no one default value (checked checkbox)
Thank you
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