</ 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">MoveFirst Method</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_namespace.html">C1.Data Namespace</a> > <a href="C1.Data.2~C1.Data.BaseDataTableSource.html">BaseDataTableSource Class</a> : MoveFirst Method</td></tr></table></div> <div id="BodyContent"> <div class="DescriptionContent">Moves to the first row.</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 Function MoveFirst() As System.Boolean</pre> </div> <div id="Syntax-CS" class="FilteredContentCS"> <pre>public System.bool MoveFirst()</pre> </div> </div> </div> <div class="SectionHeading" id="remarksSectionHeading"><span class="SectionHeadingIcon"><!-- --></span><span class="SectionHeadingText">Remarks</span></div><div id="remarksSectionContent" class="SectionContent">Use this method to navigate the underlying rowset in virtual mode. Although this method is applicable in all modes, it is only necessary in virtual mode. In virtual mode, the underlying <a href="C1.Data.2~C1.Data.BaseDataTableSource~DataTable.html">DataTable</a> contains only a segment of available data. To navigate the whole rowset, you need to use methods MoveFirst, <a href="C1.Data.2~C1.Data.BaseDataTableSource~MoveLast.html">MoveLast</a>, <a href="C1.Data.2~C1.Data.BaseDataTableSource~MoveNext.html">MoveNext</a>, <a href="C1.Data.2~C1.Data.BaseDataTableSource~MovePrevious.html">MovePrevious</a>, <a href="C1.Data.2~C1.Data.BaseDataTableSource~Seek.html">Seek</a>. If the rowset contains at least one row, this method moves to the first row and returns True; otherwise, it returns False. After this method, properties <a href="C1.Data.2~C1.Data.BaseDataTableSource~Position.html">Position</a> and <a href="C1.Data.2~C1.Data.BaseDataTableSource~CurrentRow.html">CurrentRow</a> point to the first row.</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.BaseDataTableSource.html">BaseDataTableSource Class</a> <br><a href="C1.Data.2~C1.Data.BaseDataTableSource_members.html">BaseDataTableSource Members</a> <br><a href="C1.Data.2~C1.Data.C1DataTableSource.html">C1DataTableSource Class</a> <br><strong>C1ExpressTable Class</strong> <br><strong>Virtual Mode - Dealing with Large Datasets</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>