Newbie question

[michelle]

Sorry I could not work out where to post this as I dont understand telerik terminology well enough yet!!

I have a RadFilter and a RadGrid on my page.  If I set the DataSourceControls explicitly, it works fine..

 

 

 

 

<asp:EntityDataSource ID="EntityDataSource1" runat="server"
            ConnectionString="name=Clarity2011Entities"  OrderBy="it.[DisplayName]"
            DefaultContainerName="Clarity2011Entities" EnableFlattening="False"
            EntitySetName="tblMassMaintenanceFields"

            Select="it.[FieldId], it.[DisplayName], it.[FieldName], it.[TableName], it.[NetDataType]"
            EntityTypeFilter="tblMassMaintenanceField">
        </asp:EntityDataSource>
        <div class="filterDiv">
            <telerik:RadFilter runat="server" ID="RadFilter1" OnPreRender="RadFilter1_PreRender" DataSourceControlID="EntityDataSource1" FilterContainerID="RadGrid1" ShowApplyButton="false" />
            <asp:SqlDataSource ID="dtcRadGrid1" runat="server" ConnectionString="<%$ ConnectionStrings:BRINVConnectionString %>" CancelSelectOnNullParameter="False"   SelectCommand="Select  DisplayName FROM tblMassMaintenanceFields">
              </asp:SqlDataSource>

        </div>
        <telerik:RadGrid runat="server" ID="RadGrid1" AutoGenerateColumns="False"
            AllowPaging="True" AllowSorting="True" AllowFilteringByColumn="True"
            OnItemCommand="RadGrid1_ItemCommand" CellSpacing="0" GridLines="None">
            <MasterTableView IsFilterItemExpanded="false" CommandItemDisplay="Top"
               >
<CommandItemSettings ExportToPdfText="Export to PDF"></CommandItemSettings>

<RowIndicatorColumn FilterControlAltText="Filter RowIndicator column"></RowIndicatorColumn>

<ExpandCollapseColumn FilterControlAltText="Filter ExpandColumn column"></ExpandCollapseColumn>

                <Columns>
                    <telerik:GridBoundColumn DataField="FieldId" DataType="System.Int32"
                        FilterControlAltText="Filter FieldId column" HeaderText="FieldId"
                        ReadOnly="True" SortExpression="FieldId" UniqueName="FieldId">
                    </telerik:GridBoundColumn>
                    <telerik:GridBoundColumn DataField="DisplayName"
                        FilterControlAltText="Filter DisplayName column" HeaderText="DisplayName"
                        ReadOnly="True" SortExpression="DisplayName" UniqueName="DisplayName">
                    </telerik:GridBoundColumn>
                    <telerik:GridBoundColumn DataField="FieldName"
                        FilterControlAltText="Filter FieldName column" HeaderText="FieldName"
                        ReadOnly="True" SortExpression="FieldName" UniqueName="FieldName">
                    </telerik:GridBoundColumn>
                    <telerik:GridBoundColumn DataField="TableName"
                        FilterControlAltText="Filter TableName column" HeaderText="TableName"
                        ReadOnly="True" SortExpression="TableName" UniqueName="TableName">
                    </telerik:GridBoundColumn>
                    <telerik:GridBoundColumn DataField="NetDataType"
                        FilterControlAltText="Filter NetDataType column" HeaderText="NetDataType"
                        ReadOnly="True" SortExpression="NetDataType" UniqueName="NetDataType">
                    </telerik:GridBoundColumn>
                </Columns>

<EditFormSettings>
<EditColumn FilterControlAltText="Filter EditCommandColumn column"></EditColumn>
</EditFormSettings>
                <CommandItemTemplate>
                    <telerik:RadToolBar runat="server" ID="RadToolBar1" OnButtonClick="RadToolBar1_ButtonClick">
                        <Items>
                            <telerik:RadToolBarButton Text="Apply filter" CommandName="FilterRadGrid" ImageUrl="<%#GetFilterIcon() %>"
                                ImagePosition="Right" />
                        </Items>
                    </telerik:RadToolBar>
                </CommandItemTemplate>

            </MasterTableView>

<FilterMenu EnableImageSprites="False"></FilterMenu>

<HeaderContextMenu CssClass="GridContextMenu GridContextMenu_Default"></HeaderContextMenu>
        </telerik:RadGrid>

But when I write code to create the entitydatasource I get object not set to instance of an object when the page displays..
Here is the code:

EntityDataSource ClarityEntities = new EntityDataSource();
var conEntitiesString = ConfigurationManager.ConnectionStrings["Clarity2011Entities"];
string strConnEntitiesString = conEntitiesString.ConnectionString;
ClarityEntities.ConnectionString = strConnEntitiesString;
ClarityEntities.OrderBy = "it.[DisplayName]";
ClarityEntities.EnableFlattening = false;
ClarityEntities.DefaultContainerName = "Clarity2011Entities";
//ClarityEntities.ContextTypeName =
ClarityEntities.EntitySetName = "tblMassMaintenanceFields";
ClarityEntities.Select =  "it.[FieldId], it.[DisplayName], it.[FieldName], it.[TableName], it.[NetDataType]";
ClarityEntities.EntityTypeFilter = "tblMassMaintenanceField";
RadGrid1.DataSource = ClarityEntities;
RadGrid1.MasterTableView.DataSource = ClarityEntities;

I thought the above code was the equivalent of the entitydatasource I created in the tag above?  What is different?

Sorry I am a newbie so am probably missing something obvious

TIA

[Mira]

Hello Michelle,

Please try setting either the DataSourceControlID or the FilterContainerID property of the RadFilter, but not the both of them and let me know whether it helps.

If it does not, you can try removing the RadFilter control and see if the problem is in the data-binding.

Best wishes,
Mira
the Telerik team