ColumnAttribute Class
Specifies that the property is mapped to a field (column) in a Microsoft SharePoint Foundation list.
Inheritance Hierarchy
System.Object
System.Attribute
Microsoft.SharePoint.Linq.DataAttribute
Microsoft.SharePoint.Linq.ColumnAttribute
Namespace: Microsoft.SharePoint.Linq
Assembly: Microsoft.SharePoint.Linq (in Microsoft.SharePoint.Linq.dll)
Syntax
'Declaration
<AttributeUsageAttribute(AttributeTargets.Property Or AttributeTargets.Field, AllowMultiple := False)> _
Public NotInheritable Class ColumnAttribute _
Inherits DataAttribute
'Usage
Dim instance As ColumnAttribute
[AttributeUsageAttribute(AttributeTargets.Property|AttributeTargets.Field, AllowMultiple = false)]
public sealed class ColumnAttribute : DataAttribute
Remarks
Every property that is mapped to a field must have this attribute..
Examples
The following is an example of a content type class with a property that is decorated with the ColumnAttribute:
[ContentType(Name="Item", Id="0x01", List="Team Members")]
[DataContract()]
public partial class TeamMembersItem : Item {
private System.Nullable<double> _memberID;
public TeamMembersItem() {
this.Initialize();
}
[Column(Name="MemberID", Storage="_memberID", Required=true, FieldType="Number")]
[DataMember()]
public System.Nullable<double> MemberID {
get {
return this._memberID;
}
set {
if ((this._memberID != value)) {
this.OnPropertyChanging("MemberID", this._memberID);
this._memberID = value;
this.OnPropertyChanged("MemberID");
}
}
}
// Other members omitted for readability.
}
Thread Safety
Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.