That StackOverflow answer so far is the best one I have ever seen: This is an excellent video on youtube which demonstrates how these interfaces differ, worth a watch. Below goes a long descriptive answer to it. The first important point to remember is IQueryable interface inherits from IEnumerable, so whatever IEnumerable can do, IQueryable can also do. There are many differences […]
By design, GridViewDataComboBoxColumn does not render (Blank) and (NonBlank) items if the HeaderFilterMode property is set to CheckedList. However, you can add these items in the HeaderFilterFillItems event handler. Just call the FilterValue.CreateShowBlanksValue and FilterValue.CreateShowNonBlanksValue methods. <dx:ASPxGridView ID=”grid” runat=”server” AutoGenerateColumns=”False” DataSourceID=”dsCategories” KeyFieldName=”CategoryID” OnHeaderFilterFillItems=”grid_HeaderFilterFillItems”> <Columns> <dx:GridViewDataTextColumn FieldName=”CategoryID”> </dx:GridViewDataTextColumn> <dx:GridViewDataTextColumn FieldName=”Description”> </dx:GridViewDataTextColumn> <dx:GridViewDataComboBoxColumn FieldName=”CategoryNameNull” Caption=”Category Name”> <Settings HeaderFilterMode=”CheckedList” /> <PropertiesComboBox DataSourceID=”dsCategories” ValueField=”CategoryNameNull” TextField=”CategoryNameNull” /> </dx:GridViewDataComboBoxColumn> </Columns> […]
<table align=”center” width=”20%”> <tr> <td style=”padding-right: 10px”> <input type=”text” id=”Search” onkeyup=”myFunction()” placeholder=”Please enter a search term..” title=”Type in a name”> </td> </tr> </table> <br> <div class=”target”> This is my DIV element. </div> <div class=”target”> This is another Div element. </div> <div class=”target”> Can you find me? </div> <script> function myFunction() { var input = document.getElementById(“Search”); […]