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SPField.Update Method

Windows SharePoint Services 3

Updates the database with changes that are made to the field.

Namespace:  Microsoft.SharePoint
Assembly:  Microsoft.SharePoint (in Microsoft.SharePoint.dll)

public virtual void Update()

The following code example updates the display name, default value, and description for the specified field.

SPSite oSiteCollection = SPContext.Current.Site;
SPList oList = 
SPField oField = oList.Fields["Field_Name"];

oField.DefaultValue = "Default_Value";
oField.Description = "Description";
oField.Title = "New_Field_Title";