Always use brackets around the GUID ID attribute when creating of referencing site columns.
<Field Type=”Text”
DisplayName=”Test Column”
ID=”{5B36020C-438A-4ca3-9526-49523CE10C43}”
Name=”TestColumn”
/>
In all other cases where GUIDs are involved, the brackets can be [...]
Posted under Developer
This post was written by spotd on June 1, 2009
If you create a lookup column, the column is tied to the list permanently. There is no way, either through the web interface or through code, to change that connection after the column is created.
Choose wisely.
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Posted under End User
This post was written by spotd on May 21, 2009
You can create a site global lookup column by creating a site column at the root of the site collection. Point the lookup column to a list in the root site of the site collection, and all children sites can now use the site column looking up the root list.
This can also be used [...]
Posted under End User
This post was written by spotd on May 19, 2009
You cannot create a LookupColumn through CAML code alone, since you need to know the list GUID of the list to which the Lookup column will refer.
However, you can use a feature receiver to set up the Lookup column on activation by looking up the correct list GUID at that time.
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Posted under Developer
This post was written by spotd on May 13, 2009
You can add columns to the Users Information list, just like any other list. To do so, go to the People and Groups list and then to Settings->List Settings. Any columns you add here will be available on the My Settings page for each user.
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Posted under End User
This post was written by spotd on April 21, 2009