</ iframe > </noscript> <!-- End Google Tag Manager (noscript) --> <div id="BeforeHeaderContent"> </div> <div id="HeaderContent"> <div id="ProjectTitle">DataObjects for .NET</div> <div id="PageTitle"><div id="PageTitleText">OneWay Property</div></div> </div> <div id="AfterHeaderContent"> <!-- Spacing --> <span id="ToggleAllSectionsLink" class="FunctionLink"> <label id="CollapseAllLabel">Collapse All</label> <label id="ExpandAllLabel" style="display: none;">Expand All</label> </span><!-- Spacing --> <span id="LanguageFilterPopupLink" class="PopupLink" data-popupcontentsource="#LanguageCheckboxes" data-popuptitle='Language Filter'> <label id="ShowAllLabel" for="LanguageFilterPopupLink"> Language Filter: All </label> <label id="MultipleLabel" for="LanguageFilterPopupLink" style="display: none;"> Language Filter: Multiple </label> <label id="VBAllLabel" for="LanguageFilterPopupLink" style="display: none;"> Language Filter: Visual Basic </label> <label id="VBLabel" for="LanguageFilterPopupLink" style="display: none;">Language Filter: Visual Basic (Declaration)</label> <label id="CSLabel" for="LanguageFilterPopupLink" style="display: none;">Language Filter: C#</label> </span> <div class="PopupContent" id="LanguageCheckboxes"> <input data-languagename="VB" id="VBLanguageCheckbox" type="checkbox" class="ToggleLanguageCheckbox" checked="true" data-toggleclass="FilteredContentVB"> <label class="LanguageFilter" for="VBCheckbox"> Visual Basic (Declaration) </label> <br><input data-languagename="CS" id="CSLanguageCheckbox" type="checkbox" class="ToggleLanguageCheckbox" checked="true" data-toggleclass="FilteredContentCS"> <label class="LanguageFilter" for="CSCheckbox"> C# </label> </div> </div> <div class="BreadcrumbsContainer"><table><tr><td> <a href="C1.Data.2.html">C1.Data.2 Assembly</a> > <a href="C1.Data.2~C1.Data.SchemaObjects_namespace.html">C1.Data.SchemaObjects Namespace</a> > <a href="C1.Data.2~C1.Data.SchemaObjects.ViewRelation.html">ViewRelation Class</a> : OneWay Property</td></tr></table></div> <div id="BodyContent"> <div class="DescriptionContent">For a relation specified in code in GetChildRows event, indicates whether GetParentRow is not available.</div> <div class="SectionHeading" id="syntaxSectionHeading"><span class="SectionHeadingIcon"><!-- --></span><span class="SectionHeadingText">Syntax</span></div><div id="syntaxSectionContent" class="SectionContent"> <div class="TabContainer" id="TabContainer"> <ul> <li class="FilteredContentVBAll"><a href="#Syntax-VBAll">Visual Basic</a></li> <li class="FilteredContentCS"><a href="#Syntax-CS">C#</a></li> </ul> <div id="Syntax-VB" class="FilteredContentVB"> <pre>'Declaration Public Overridable Property OneWay As System.Boolean</pre> </div> <div id="Syntax-CS" class="FilteredContentCS"> <pre>public virtual System.bool OneWay {get; set;}</pre> </div> </div> </div> <div class="SectionHeading" id="remarksSectionHeading"><span class="SectionHeadingIcon"><!-- --></span><span class="SectionHeadingText">Remarks</span></div><div id="remarksSectionContent" class="SectionContent">This property has effect only for custom relations, those defined in code, with <a href="C1.Data.2~C1.Data.SchemaObjects.ViewRelation~GetRowsEvent.html">GetRowsEvent</a>=True. If this property is set to True, code in <a href="C1.Data.2~C1.Data.C1DataSetLogic~GetParentRow_EV.html">C1.Data.C1DataSetLogic.GetParentRow</a> event can be omitted, calling <a href="C1.Data.2~C1.Data.C1DataSetLogic~GetParentRow_EV.html">C1.Data.C1DataSetLogic.GetParentRow</a> for this relation will throw exception. Set this property to True if it is difficult or simply unnecessary to reverse your algorithm enumerating child rows. Note that only <a href="C1.Data.2~C1.Data.C1DataSetLogic~GetChildRows_EV.html">GetChildRows</a> is used for master-detail data binding, <a href="C1.Data.2~C1.Data.C1DataSetLogic~GetParentRow_EV.html">C1.Data.C1DataSetLogic.GetParentRow</a> is not necessary. <p>In C1DataExpress, OneWay is always True for custom relations.</p></div> <a name="exampleBookmark"></a> <a name="seealsobookmark"></a> <div class="SectionHeading" id="seealsoSectionHeading"><span class="SectionHeadingIcon"><!-- --></span><span class="SectionHeadingText">See Also</span></div><div id="seealsoSectionContent" class="SectionContent"><h4 class="subHeading">Reference</h4><p><a href="C1.Data.2~C1.Data.SchemaObjects.ViewRelation.html">ViewRelation Class</a> <br><a href="C1.Data.2~C1.Data.SchemaObjects.ViewRelation_members.html">ViewRelation Members</a> <br><strong>View Relations</strong> </p> </div> </div> <div id="FooterContent"> <p> </p><p> </p><hr style="height: 1px"><p>Copyright (c) <script type="text/javascript"> var theDate=new Date() document.write(theDate.getFullYear()) </script> GrapeCity, inc. All rights reserved.</p> </div> </body> </html>