﻿<?xml version="1.0" encoding="utf-8"?><Type Name="UniqueConstraint" FullName="System.Data.UniqueConstraint"><TypeSignature Language="C#" Value="public class UniqueConstraint : System.Data.Constraint" Maintainer="auto" /><AssemblyInfo><AssemblyName>System.Data</AssemblyName><AssemblyPublicKey>[00 00 00 00 00 00 00 00 04 00 00 00 00 00 00 00]</AssemblyPublicKey><AssemblyVersion>1.0.3300.0</AssemblyVersion><AssemblyVersion>1.0.5000.0</AssemblyVersion><AssemblyVersion>2.0.0.0</AssemblyVersion></AssemblyInfo><ThreadSafetyStatement>Gtk# is thread aware, but not thread safe; See the &lt;link location="node:gtk-sharp/programming/threads"&gt;Gtk# Thread Programming&lt;/link&gt; for details.</ThreadSafetyStatement><Base><BaseTypeName>System.Data.Constraint</BaseTypeName></Base><Interfaces /><Attributes><Attribute><AttributeName>System.ComponentModel.DefaultProperty("ConstraintName")</AttributeName></Attribute><Attribute><AttributeName>System.ComponentModel.Editor("Microsoft.VSDesigner.Data.Design.UniqueConstraintEditor, Microsoft.VSDesigner, Version=8.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a", "System.Drawing.Design.UITypeEditor, System.Drawing, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a")</AttributeName></Attribute></Attributes><Docs><remarks><attribution license="cc4" from="Microsoft" modified="false" /><para>The <see cref="T:System.Data.UniqueConstraint" /> is enforced on a single column (or columns) to ensure that a primary key value is unique.</para><para>Constraints are not enforced unless the <see cref="P:System.Data.DataSet.EnforceConstraints" /> property is set to true.</para><para>When the a <see cref="T:System.Data.DataSet" /> is merged with a second <see cref="T:System.Data.DataSet" />, constraints are not enforced until all merges are completed.</para></remarks><summary><attribution license="cc4" from="Microsoft" modified="false" /><para>Represents a restriction on a set of columns in which all values must be unique.</para></summary></Docs><Members><Member MemberName=".ctor"><MemberSignature Language="C#" Value="public UniqueConstraint (System.Data.DataColumn column);" /><MemberType>Constructor</MemberType><ReturnValue /><Parameters><Parameter Name="column" Type="System.Data.DataColumn" /></Parameters><Docs><remarks>To be added</remarks><summary><attribution license="cc4" from="Microsoft" modified="false" /><para>Initializes a new instance of the <see cref="T:System.Data.UniqueConstraint" /> class with the specified <see cref="T:System.Data.DataColumn" />.</para></summary><param name="column"><attribution license="cc4" from="Microsoft" modified="false" />The <see cref="T:System.Data.DataColumn" /> to constrain. </param></Docs><AssemblyInfo><AssemblyVersion>1.0.5000.0</AssemblyVersion><AssemblyVersion>2.0.0.0</AssemblyVersion></AssemblyInfo></Member><Member MemberName=".ctor"><MemberSignature Language="C#" Value="public UniqueConstraint (System.Data.DataColumn[] columns);" /><MemberType>Constructor</MemberType><ReturnValue /><Parameters><Parameter Name="columns" Type="System.Data.DataColumn[]" /></Parameters><Docs><remarks>To be added</remarks><summary><attribution license="cc4" from="Microsoft" modified="false" /><para>Initializes a new instance of the <see cref="T:System.Data.UniqueConstraint" /> class with the given array of <see cref="T:System.Data.DataColumn" /> objects.</para></summary><param name="columns"><attribution license="cc4" from="Microsoft" modified="false" />The array of <see cref="T:System.Data.DataColumn" /> objects to constrain. </param></Docs><AssemblyInfo><AssemblyVersion>1.0.5000.0</AssemblyVersion><AssemblyVersion>2.0.0.0</AssemblyVersion></AssemblyInfo></Member><Member MemberName=".ctor"><MemberSignature Language="C#" Value="public UniqueConstraint (System.Data.DataColumn column, bool isPrimaryKey);" /><MemberType>Constructor</MemberType><ReturnValue /><Parameters><Parameter Name="column" Type="System.Data.DataColumn" /><Parameter Name="isPrimaryKey" Type="System.Boolean" /></Parameters><Docs><remarks>To be added</remarks><summary><attribution license="cc4" from="Microsoft" modified="false" /><para>Initializes a new instance of the <see cref="T:System.Data.UniqueConstraint" /> class with the <see cref="T:System.Data.DataColumn" /> to constrain, and a value specifying whether the constraint is a primary key.</para></summary><param name="column"><attribution license="cc4" from="Microsoft" modified="false" />The <see cref="T:System.Data.DataColumn" /> to constrain. </param><param name="isPrimaryKey"><attribution license="cc4" from="Microsoft" modified="false" />true to indicate that the constraint is a primary key; otherwise, false. </param></Docs><AssemblyInfo><AssemblyVersion>1.0.5000.0</AssemblyVersion><AssemblyVersion>2.0.0.0</AssemblyVersion></AssemblyInfo></Member><Member MemberName=".ctor"><MemberSignature Language="C#" Value="public UniqueConstraint (System.Data.DataColumn[] columns, bool isPrimaryKey);" /><MemberType>Constructor</MemberType><ReturnValue /><Parameters><Parameter Name="columns" Type="System.Data.DataColumn[]" /><Parameter Name="isPrimaryKey" Type="System.Boolean" /></Parameters><Docs><remarks>To be added</remarks><summary><attribution license="cc4" from="Microsoft" modified="false" /><para>Initializes a new instance of the <see cref="T:System.Data.UniqueConstraint" /> class with an array of <see cref="T:System.Data.DataColumn" /> objects to constrain, and a value specifying whether the constraint is a primary key.</para></summary><param name="columns"><attribution license="cc4" from="Microsoft" modified="false" />An array of <see cref="T:System.Data.DataColumn" /> objects to constrain. </param><param name="isPrimaryKey"><attribution license="cc4" from="Microsoft" modified="false" />true to indicate that the constraint is a primary key; otherwise, false. </param></Docs><AssemblyInfo><AssemblyVersion>1.0.5000.0</AssemblyVersion><AssemblyVersion>2.0.0.0</AssemblyVersion></AssemblyInfo></Member><Member MemberName=".ctor"><MemberSignature Language="C#" Value="public UniqueConstraint (string name, System.Data.DataColumn column);" /><MemberType>Constructor</MemberType><ReturnValue /><Parameters><Parameter Name="name" Type="System.String" /><Parameter Name="column" Type="System.Data.DataColumn" /></Parameters><Docs><remarks>To be added</remarks><summary><attribution license="cc4" from="Microsoft" modified="false" /><para>Initializes a new instance of the <see cref="T:System.Data.UniqueConstraint" /> class with the specified name and <see cref="T:System.Data.DataColumn" />.</para></summary><param name="name"><attribution license="cc4" from="Microsoft" modified="false" />The name of the constraint. </param><param name="column"><attribution license="cc4" from="Microsoft" modified="false" />The <see cref="T:System.Data.DataColumn" /> to constrain. </param></Docs><AssemblyInfo><AssemblyVersion>1.0.5000.0</AssemblyVersion><AssemblyVersion>2.0.0.0</AssemblyVersion></AssemblyInfo></Member><Member MemberName=".ctor"><MemberSignature Language="C#" Value="public UniqueConstraint (string name, System.Data.DataColumn[] columns);" /><MemberType>Constructor</MemberType><ReturnValue /><Parameters><Parameter Name="name" Type="System.String" /><Parameter Name="columns" Type="System.Data.DataColumn[]" /></Parameters><Docs><remarks>To be added</remarks><summary><attribution license="cc4" from="Microsoft" modified="false" /><para>Initializes a new instance of the <see cref="T:System.Data.UniqueConstraint" /> class with the specified name and array of <see cref="T:System.Data.DataColumn" /> objects.</para></summary><param name="name"><attribution license="cc4" from="Microsoft" modified="false" />The name of the constraint. </param><param name="columns"><attribution license="cc4" from="Microsoft" modified="false" />The array of <see cref="T:System.Data.DataColumn" /> objects to constrain. </param></Docs><AssemblyInfo><AssemblyVersion>1.0.5000.0</AssemblyVersion><AssemblyVersion>2.0.0.0</AssemblyVersion></AssemblyInfo></Member><Member MemberName=".ctor"><MemberSignature Language="C#" Value="public UniqueConstraint (string name, System.Data.DataColumn column, bool isPrimaryKey);" /><MemberType>Constructor</MemberType><ReturnValue /><Parameters><Parameter Name="name" Type="System.String" /><Parameter Name="column" Type="System.Data.DataColumn" /><Parameter Name="isPrimaryKey" Type="System.Boolean" /></Parameters><Docs><remarks>To be added</remarks><summary><attribution license="cc4" from="Microsoft" modified="false" /><para>Initializes a new instance of the <see cref="T:System.Data.UniqueConstraint" /> class with the specified name, the <see cref="T:System.Data.DataColumn" /> to constrain, and a value specifying whether the constraint is a primary key.</para></summary><param name="name"><attribution license="cc4" from="Microsoft" modified="false" />The name of the constraint. </param><param name="column"><attribution license="cc4" from="Microsoft" modified="false" />The <see cref="T:System.Data.DataColumn" /> to constrain. </param><param name="isPrimaryKey"><attribution license="cc4" from="Microsoft" modified="false" />true to indicate that the constraint is a primary key; otherwise, false. </param></Docs><AssemblyInfo><AssemblyVersion>1.0.5000.0</AssemblyVersion><AssemblyVersion>2.0.0.0</AssemblyVersion></AssemblyInfo></Member><Member MemberName=".ctor"><MemberSignature Language="C#" Value="public UniqueConstraint (string name, System.Data.DataColumn[] columns, bool isPrimaryKey);" /><MemberType>Constructor</MemberType><ReturnValue /><Parameters><Parameter Name="name" Type="System.String" /><Parameter Name="columns" Type="System.Data.DataColumn[]" /><Parameter Name="isPrimaryKey" Type="System.Boolean" /></Parameters><Docs><remarks>To be added</remarks><summary><attribution license="cc4" from="Microsoft" modified="false" /><para>Initializes a new instance of the <see cref="T:System.Data.UniqueConstraint" /> class with the specified name, an array of <see cref="T:System.Data.DataColumn" /> objects to constrain, and a value specifying whether the constraint is a primary key.</para></summary><param name="name"><attribution license="cc4" from="Microsoft" modified="false" />The name of the constraint. </param><param name="columns"><attribution license="cc4" from="Microsoft" modified="false" />An array of <see cref="T:System.Data.DataColumn" /> objects to constrain. </param><param name="isPrimaryKey"><attribution license="cc4" from="Microsoft" modified="false" />true to indicate that the constraint is a primary key; otherwise, false. </param></Docs><AssemblyInfo><AssemblyVersion>1.0.5000.0</AssemblyVersion><AssemblyVersion>2.0.0.0</AssemblyVersion></AssemblyInfo></Member><Member MemberName=".ctor"><MemberSignature Language="C#" Value="public UniqueConstraint (string name, string[] columnNames, bool isPrimaryKey);" /><MemberType>Constructor</MemberType><ReturnValue /><Parameters><Parameter Name="name" Type="System.String" /><Parameter Name="columnNames" Type="System.String[]" /><Parameter Name="isPrimaryKey" Type="System.Boolean" /></Parameters><Docs><remarks><attribution license="cc4" from="Microsoft" modified="false" /><para>This constructor is provided for design time support in the Visual Studio .NET environment. <see cref="T:System.Data.UniqueConstraint" /> objects created by using this constructor must then be added to the collection via <see cref="M:System.Data.ConstraintCollection.AddRange(System.Data.Constraint[])" />. Columns with the specified names must exist at the time the method is called, or if <see cref="M:System.Data.DataTable.BeginInit" /> has been called prior to calling this constructor, the columns with the specified names must exist at the time that <see cref="M:System.Data.DataTable.EndInit" /> is called.</para></remarks><summary><attribution license="cc4" from="Microsoft" modified="false" /><para>Initializes a new instance of the <see cref="T:System.Data.UniqueConstraint" /> class with the specified name, an array of <see cref="T:System.Data.DataColumn" /> objects to constrain, and a value specifying whether the constraint is a primary key.</para></summary><param name="name"><attribution license="cc4" from="Microsoft" modified="false" />The name of the constraint. </param><param name="columnNames"><attribution license="cc4" from="Microsoft" modified="false" />An array of <see cref="T:System.Data.DataColumn" /> objects to constrain. </param><param name="isPrimaryKey"><attribution license="cc4" from="Microsoft" modified="false" />true to indicate that the constraint is a primary key; otherwise, false. </param></Docs><AssemblyInfo><AssemblyVersion>1.0.5000.0</AssemblyVersion><AssemblyVersion>2.0.0.0</AssemblyVersion></AssemblyInfo><Attributes><Attribute><AttributeName>System.ComponentModel.Browsable(false)</AttributeName></Attribute></Attributes></Member><Member MemberName="Columns"><MemberSignature Language="C#" Value="public virtual System.Data.DataColumn[] Columns { get; }" /><MemberType>Property</MemberType><ReturnValue><ReturnType>System.Data.DataColumn[]</ReturnType></ReturnValue><Docs><value>To be added: an object of type 'DataColumn []'</value><remarks>To be added</remarks><summary><attribution license="cc4" from="Microsoft" modified="false" /><para>Gets the array of columns that this constraint affects.</para></summary></Docs><AssemblyInfo><AssemblyVersion>1.0.5000.0</AssemblyVersion><AssemblyVersion>2.0.0.0</AssemblyVersion></AssemblyInfo><Attributes><Attribute><AttributeName>System.ComponentModel.ReadOnly(true)</AttributeName></Attribute></Attributes></Member><Member MemberName="Equals"><MemberSignature Language="C#" Value="public override bool Equals (object key2);" /><MemberType>Method</MemberType><ReturnValue><ReturnType>System.Boolean</ReturnType></ReturnValue><Parameters><Parameter Name="key2" Type="System.Object" /></Parameters><Docs><remarks><attribution license="cc4" from="Microsoft" modified="false" /><para>Two constraints are equal if they constrain the same columns.</para></remarks><summary><attribution license="cc4" from="Microsoft" modified="false" /><para>Compares this constraint to a second to determine if both are identical.</para></summary><returns><attribution license="cc4" from="Microsoft" modified="false" /><para>true, if the contraints are equal; otherwise, false.</para></returns><param name="key2"><attribution license="cc4" from="Microsoft" modified="false" />The object to which this <see cref="T:System.Data.UniqueConstraint" /> is compared. </param></Docs><AssemblyInfo><AssemblyVersion>1.0.5000.0</AssemblyVersion><AssemblyVersion>2.0.0.0</AssemblyVersion></AssemblyInfo></Member><Member MemberName="GetHashCode"><MemberSignature Language="C#" Value="public override int GetHashCode ();" /><MemberType>Method</MemberType><ReturnValue><ReturnType>System.Int32</ReturnType></ReturnValue><Parameters /><Docs><remarks>To be added</remarks><summary><attribution license="cc4" from="Microsoft" modified="false" /><para>Gets the hash code of this instance of the <see cref="T:System.Data.UniqueConstraint" /> object.</para></summary><returns><attribution license="cc4" from="Microsoft" modified="false" /><para>A 32-bit signed integer hash code.</para></returns></Docs><AssemblyInfo><AssemblyVersion>1.0.5000.0</AssemblyVersion><AssemblyVersion>2.0.0.0</AssemblyVersion></AssemblyInfo></Member><Member MemberName="IsPrimaryKey"><MemberSignature Language="C#" Value="public bool IsPrimaryKey { get; }" /><MemberType>Property</MemberType><ReturnValue><ReturnType>System.Boolean</ReturnType></ReturnValue><Docs><value>To be added: an object of type 'bool'</value><remarks><attribution license="cc4" from="Microsoft" modified="false" /><para>A table usually includes a primary key that ensures every row is unique. In some tables, the primary key may be made up of more than one column. For example, a primary key for a table containing names might be made up of both the first and last names as well. To create a primary key with more than one column, set the Columns property to an array of DataColumn objects.</para></remarks><summary><attribution license="cc4" from="Microsoft" modified="false" /><para>Gets a value indicating whether or not the constraint is on a primary key.</para></summary></Docs><AssemblyInfo><AssemblyVersion>1.0.5000.0</AssemblyVersion><AssemblyVersion>2.0.0.0</AssemblyVersion></AssemblyInfo></Member><Member MemberName="Table"><MemberSignature Language="C#" Value="public override System.Data.DataTable Table { get; }" /><MemberType>Property</MemberType><ReturnValue><ReturnType>System.Data.DataTable</ReturnType></ReturnValue><Docs><value>To be added: an object of type 'DataTable'</value><remarks>To be added</remarks><summary><attribution license="cc4" from="Microsoft" modified="false" /><para>Gets the table to which this constraint belongs.</para></summary></Docs><AssemblyInfo><AssemblyVersion>1.0.5000.0</AssemblyVersion><AssemblyVersion>2.0.0.0</AssemblyVersion></AssemblyInfo><Attributes><Attribute><AttributeName>System.ComponentModel.ReadOnly(true)</AttributeName></Attribute></Attributes></Member></Members></Type>