<div id="ctl00_StandardWindowManager" style="z-index:7001;display:none;">
	<!-- 2010.1.415.40 --><div id="ctl00_StandardWindowManager_alerttemplate" style="display:none;">
		<div class="rwDialogPopup radalert">			
			<div class="rwDialogText">
			{1}				
			</div>
			
			<div>
				<a  onclick="$find('{0}').close();"
				class="rwPopupButton" href="javascript:void(0);">
					<span class="rwOuterSpan">
						<span class="rwInnerSpan">##LOC[OK]##</span>

					</span>
				</a>				
			</div>
		</div>
		</div><div id="ctl00_StandardWindowManager_prompttemplate" style="display:none;">
		 <div class="rwDialogPopup radprompt">			
			    <div class="rwDialogText">
			    {1}				
			    </div>		
			    <div>
				    <script type="text/javascript">
				    function RadWindowprompt_detectenter(id, ev, input)
				    {							
					    if (!ev) ev = window.event;                
					    if (ev.keyCode == 13)
					    {															        
					        var but = input.parentNode.parentNode.getElementsByTagName("A")[0];					        
					        if (but)
						    {							
							    if (but.click) but.click();
							    else if (but.onclick)
							    {
							        but.focus(); var click = but.onclick; but.onclick = null; if (click) click.call(but);							 
							    }
						    }
					       return false;
					    } 
					    else return true;
				    }	 
				    </script>

				    <input  onkeydown="return RadWindowprompt_detectenter('{0}', event, this);" type="text"  class="rwDialogInput" value="{2}" />
			    </div>
			    <div>
				    <a onclick="$find('{0}').close(this.parentNode.parentNode.getElementsByTagName('input')[0].value);"				
					    class="rwPopupButton" href="javascript:void(0);" ><span class="rwOuterSpan"><span class="rwInnerSpan">##LOC[OK]##</span></span></a>
				    <a onclick="$find('{0}').close(null);" class="rwPopupButton"  href="javascript:void(0);"><span class="rwOuterSpan"><span class="rwInnerSpan">##LOC[Cancel]##</span></span></a>
			    </div>
		    </div>				       
		</div><div id="ctl00_StandardWindowManager_confirmtemplate" style="display:none;">

		<div class="rwDialogPopup radconfirm">			
			<div class="rwDialogText">
			{1}				
			</div>						
			<div>
				<a onclick="$find('{0}').close(true);"  class="rwPopupButton" href="javascript:void(0);" ><span class="rwOuterSpan"><span class="rwInnerSpan">##LOC[OK]##</span></span></a>
				<a onclick="$find('{0}').close(false);" class="rwPopupButton"  href="javascript:void(0);"><span class="rwOuterSpan"><span class="rwInnerSpan">##LOC[Cancel]##</span></span></a>
			</div>
		</div>		
		</div><input id="ctl00_StandardWindowManager_ClientState" name="ctl00_StandardWindowManager_ClientState" type="hidden" />

</div>

telerik:RadGrid ID="RadGrid2" runat="server" DataSourceID="LinqDataSource2" Skin="Office2007" 
ShowStatusBar="True" Width="100%" AutoGenerateColumns="False" AllowSorting="True"  
AllowAutomaticDeletes="true" AllowPaging="true" GridLines="None" AllowAutomaticInserts="false"
AllowAutomaticUpdates="True" OnItemInserted="RadGrid2_ItemInserted" OnItemUpdated="RadGrid2_ItemUpdated"
OnItemDeleted="RadGrid2_ItemDeleted" OnInsertCommand="RadGrid2_InsertCommand"
OnUpdateCommand="RadGrid2_UpdateCommand" OnDeleteCommand="RadGrid2_DeleteCommand"
OnItemDataBound="RadGrid2_ItemDataBound" OnItemCommand="RadGrid2_ItemCommand"
OnSortCommand="RadGrid2_SortCommand" OnCancelCommand="RadGrid2_CancelCommand"
OnEditCommand="RadGrid2_EditCommand" BorderColor="#bbd9ee" OnPageIndexChanged="RadGrid2_PageIndexChanged">
<HeaderContextMenu EnableTheming="True" Skin="Office2007">
<CollapseAnimation Duration="200" Type="OutQuint" />
</HeaderContextMenu>
<PagerStyle Mode="NextPrevNumericAndAdvanced"></PagerStyle>
<MasterTableView DataKeyNames="ExerciseID" DataSourceID="LinqDataSource2" Width="100%"
CommandItemDisplay="Top">
<CommandItemSettings AddNewRecordImageUrl="images/AddNew.gif" AddNewRecordText="Add New Exercise" />
<CommandItemStyle CssClass="green_heading_underline" />
.....
.....

Code for ItemCommand is like below:
protected void RadGrid2_ItemCommand(object source, GridCommandEventArgs e)
{
if ((e.CommandName == "ExpandCollapse") || (e.CommandName == "InitInsert"))
{
UpdatePanel2.Update();
}
}

Can anybody help?