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context parameter received by FilterCheckListWebServiceMethod

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Grid

This is a migrated thread and some comments may be shown as answers.

4 Answers, 1 is accepted

answered on 12 Apr 2016, 07:45 PM

W.r.t to Excel like filtering in radgrid. I am trying to call a webservice using - FilterCheckListWebServiceMethod

Requirement : To use Webservice , I have 40 columns so planning to send Column name as a context to WS method and reuse the select query for all..

eg) FilterCheckListWebServiceMethod="LoadDistinctValues"

[WebMethod] public RadComboBoxItemData[] LoadDistinctValues(Dictionary<string, object> context)

{

IDictionary<string, object> contextDictionary = (IDictionary<string, object>)context;

........ The following context is NULL

Sample:

  <telerik:RadGrid ID="rd" runat="server" AllowFilteringByColumn="true" FilterType="HeaderContext" EnableHeaderContextMenu="True"
                         EnableHeaderContextFilterMenu="True" AllowPaging="True" PageSize="35"
                         AllowSorting="true" Width="100%" >
                <PagerStyle Mode="Slider" Position="TopAndBottom" PageSizes="100,200,400,500" AlwaysVisible="True" />
                <ClientSettings Scrolling-AllowScroll="true" Scrolling-UseStaticHeaders="true" EnableRowHoverStyle="true">
                    <DataBinding Location="loadOnDemand.asmx" SortParameterType="Linq" FilterParameterType="Linq">
                    </DataBinding>
                </ClientSettings>
   <MasterTableView CommandItemDisplay="Top" DataKeyNames="ID" HorizontalAlign="NotSet" EditMode="Batch" AutoGenerateColumns="False"
                             AllowAutomaticDeletes="False" Font-Size="9" FilterItemStyle-HorizontalAlign="Center" Width="100%"
                             TableLayout="Fixed" CheckListWebServicePath="loadOnDemand.asmx">

                    <telerik:GridBoundColumn DataField="VERIFIEDBY" HeaderText="Verified By" ColumnEditorID="ceVERIFIEDBY"
                                             SortExpression="VERIFIEDBY" UniqueName="VERIFIEDBY"
                                             AutoPostBackOnFilter="true" CurrentFilterFunction="StartsWith"
                                             FilterControlWidth="80px" HeaderStyle-Width="140px" FilterCheckListWebServiceMethod="LoadDistinctValues" >
                    </telerik:GridBoundColumn>