Finding grid control and using with store procedure

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ASP.NET

Telerik

third-party

Hi all,
This grid I am using to maintain data in front-end. I am storing all the data in the session. Now the problem I am getting while sending the session datatable to the stored procedure. i am using Entity Framework.

<telerik:RadGrid ID="RadGridDetails"  runat="server" AutoGenerateColumns="false" ShowHeader="true"
                       ShowFooter="true" GridLines="None"
             önitemcommand="RadGridDetails_ItemCommand"  >
                       <mastertableview editmode="InPlace" showfooter="true" enablenorecordstemplate="true">
                        ShowHeadersWhenNoRecords="true">
                           <norecordstemplate>
                            <div>There are no records to display</div>
                          </norecordstemplate>
                           <commanditemsettings exporttopdftext="Export to PDF" />
                           <rowindicatorcolumn filtercontrolalttext="Filter RowIndicator column">
                               Visible="True">
                           </rowindicatorcolumn>
                           <expandcollapsecolumn filtercontrolalttext="Filter ExpandColumn column">
                               Visible="True">
                           </expandcollapsecolumn>
                           <columns>
                               <telerik:gridtemplatecolumn headertext="ID" xmlns:telerik="#unknown">
                                   <itemtemplate>
                                       <asp:Label ID="lblid" runat="server" Text='<%#Eval("ID") %>'>
                                   </itemtemplate>
                               </telerik:gridtemplatecolumn>
                               <telerik:gridtemplatecolumn headertext="ChildrenName" xmlns:telerik="#unknown">
                                   <itemtemplate>
                                       <asp:Label ID="lblchildren" runat="server" Text='<%#Eval("ChildrenName") %>'>
                                   </itemtemplate>
                                   <edititemtemplate>
                                       <telerik:RadTextBox ID="txtchildren"  runat="server"
                                           Text='<%#Eval("ChildrenName") %>'>

                                   </edititemtemplate>
                                   <footertemplate>
                                       <telerik:RadTextBox ID="txtaddchildren"  runat="server">

                                   </footertemplate>
                               </telerik:gridtemplatecolumn>
                               <telerik:gridtemplatecolumn headertext="Name" xmlns:telerik="#unknown">
                                   <itemtemplate>
                                       <asp:Label ID="lblPetTypeName" runat="server" Text='<%#Eval("Name") %>'>
                                   </itemtemplate>
                                   <edititemtemplate>
                                       <telerik:RadComboBox ID="ddlPetTypeName"  runat="server">

                                     </edititemtemplate>
                                   <footertemplate>
                                       <telerik:RadComboBox ID="ddladdPetTypeName"  runat="server"
                                           DataSourceID="LinqDataSourcePetType" DataTextField="Name" DataValueField="ID" >


                                       <asp:LinqDataSource ID="LinqDataSourcePetType" runat="server"
                                           ContextTypeName="DBLayer.DataClasses1DataContext" EntityTypeName=""
                                           Select="new (ID, Name)" TableName="PetTypes">


                                   </footertemplate>
                               </telerik:gridtemplatecolumn>
                               <telerik:gridtemplatecolumn headertext="DOB" xmlns:telerik="#unknown">
                                   <itemtemplate>
                                       <asp:Label ID="lbldob" runat="server" Text='<%#Eval("DOB") %>'>
                                   </itemtemplate>
                                   <edititemtemplate>
                                       <telerik:RadDatePicker ID="ddlDOB"  runat="server"
                                           DateInput-DateFormat="dd-MMM-yyyy" DateInput-Enabled="false"
                                           SelectedDate='<%#Eval("DOB") %>'>

                                   </edititemtemplate>
                                   <footertemplate>
                                       <telerik:RadDatePicker ID="ddlAddDOB"  runat="server"
                                           DateInput-DateFormat="dd-MMM-yyyy" DateInput-Enabled="false">

                                   </footertemplate>
                               </telerik:gridtemplatecolumn>
                               <telerik:gridtemplatecolumn headertext="ParentType" xmlns:telerik="#unknown">
                                   <itemtemplate>
                                       <asp:Label ID="lblParentName" runat="server" Text='<%#Eval("ParentType") %>'>
                                   </itemtemplate>
                                   <edititemtemplate>
                                       <telerik:RadTextBox ID="txtParentType"  runat="server"
                                           Text='<%#Eval("ParentType") %>'>

                                   </edititemtemplate>
                                   <footertemplate>
                                       <telerik:RadTextBox ID="txtaddParentType"  runat="server">

                                   </footertemplate>
                               </telerik:gridtemplatecolumn>
                               <telerik:gridtemplatecolumn headertext="PetName" xmlns:telerik="#unknown">
                                   <itemtemplate>
                                       <asp:Label ID="lblpetName" runat="server" Text='<%#Eval("PetName") %>'>
                                   </itemtemplate>
                                   <edititemtemplate>
                                       <telerik:RadTextBox ID="txtPetName"  runat="server" Text='<%#Eval("PetName") %>'>

                                   </edititemtemplate>
                                   <footertemplate>
                                       <telerik:RadTextBox ID="txtaddPetName"  runat="server">

                                   </footertemplate>
                               </telerik:gridtemplatecolumn>
                               <telerik:gridtemplatecolumn headertext="Edit | Delete" xmlns:telerik="#unknown">
                                   <edititemtemplate>
                                       <asp:LinkButton ID="btnupdate" runat="server"
                                           CommandArgument='<%#Eval("id") %>' CommandName="Update" Text="Update">
                                         |  
                                       <asp:LinkButton ID="LinkButton1" runat="server" CommandName="Cancel"
                                           Text="Cancel">
                                   </edititemtemplate>
                                   <itemtemplate>
                                       <asp:LinkButton ID="btnedit" runat="server" CommandName="Edit" Text="Edit">
                                         |  
                                       <asp:LinkButton ID="btndelete" runat="server"
                                           CommandArgument='<%#Eval("id") %>' CommandName="Delete" Text="Delete">
                                   </itemtemplate>
                                   <footertemplate>
                                       <asp:LinkButton ID="btnadd" runat="server" CommandName="Insert" Text="Add">
                                   </footertemplate>
                               </telerik:gridtemplatecolumn>
                           </columns>
                           <editformsettings>
                               <editcolumn filtercontrolalttext="Filter EditCommandColumn column">
                               </editcolumn>
                           </editformsettings>
                       </mastertableview>
                       <HeaderStyle HorizontalAlign="Center" VerticalAlign="Top" />
                       <itemstyle horizontalalign="Center" verticalalign="Top" />
                       <HeaderStyle HorizontalAlign="Center" VerticalAlign="Top" />
                       <filtermenu enableimagesprites="False">
                       </filtermenu>

Any help will be appreciated.
Thank you.