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CustomMappingAttribute Class

Identifies what new columns are mapped with the MapFrom(Object) method that is decorated with the attribute.

System.Object
  System.Attribute
    Microsoft.SharePoint.Linq.CustomMappingAttribute

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

[AttributeUsageAttribute(AttributeTargets.Method, AllowMultiple = false)]
public sealed class CustomMappingAttribute : Attribute

You can also map properties to particular hashtable entries in the SPListItem.Properties property bag.

The following example shows how CustomMappingAttribute is used on the MapFrom(Object) method.

NoteNote

Although the mapping applies to the MapTo(Object) method as well, only the MapFrom(Object) method is decorated with the attribute.


public partial class Book : ICustomMapping
{
    [CustomMapping(Columns = new String[] { "ISBN", "UPCA" })]
    public void MapFrom(object listItem)
    {
        SPListItem item = (SPListItem)listItem;
        this.ISBN = item["ISBN"];
        this.UPCA = item["UPCA"];
    }

    // Other members omitted.

}

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.
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