45 lines
1.4 KiB
C#
45 lines
1.4 KiB
C#
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//------------------------------------------------------------------------------
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// <copyright file="Rule.cs" company="Microsoft">
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// Copyright (c) Microsoft Corporation. All rights reserved.
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// </copyright>
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// <owner current="true" primary="true">[....]</owner>
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// <owner current="true" primary="false">[....]</owner>
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// <owner current="false" primary="false">[....]</owner>
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//------------------------------------------------------------------------------
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namespace System.Data {
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/// <devdoc>
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/// <para>Indicates the action that occurs when a <see cref='System.Data.ForeignKeyConstraint'/>
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/// is enforced.</para>
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/// </devdoc>
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public enum Rule {
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/// <devdoc>
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/// <para>
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/// No action occurs.
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/// </para>
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/// </devdoc>
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None = 0,
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/// <devdoc>
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/// <para>
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/// Changes are cascaded through the relationship.
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/// </para>
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/// </devdoc>
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Cascade = 1,
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/// <devdoc>
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/// <para>
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/// Null values are set in the rows affected by the deletion.
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/// </para>
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/// </devdoc>
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SetNull = 2,
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/// <devdoc>
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/// <para>
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/// Default values are set in the rows affected by the deletion.
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/// </para>
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/// </devdoc>
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SetDefault = 3
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}
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}
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