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SPField.Update method

SharePoint 2013

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

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

[ClientCallableExceptionConstraintAttribute(FixedId = "2", ErrorCode = , Condition = "Tying to un-index a field which does not allow duplicate values.", 
	ErrorType = typeof(SPException))]
[ClientCallableAttribute]
[ClientCallableExceptionConstraintAttribute(FixedId = "6", ErrorCode = , Condition = "Trying to change the type of a field which is also changing to be indexed or which is already indexed.", 
	ErrorType = typeof(SPException))]
[ClientCallableExceptionConstraintAttribute(FixedId = "3", ErrorCode = , Condition = "Trying to change the type of a field which does not allow duplicate values.", 
	ErrorType = typeof(SPException))]
public virtual void Update()

Exceptions

Exception	Condition
SPException	An error was encountered during the operation.

Examples

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

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

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

oField.Update();

Reference

SPField class

SPField members

Update overload

Microsoft.SharePoint namespace

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