How to refresh UpdatePanel after clicking insert button in ListView?

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C#

ASP.NET

Ajax

<asp:UpdatePanel ID="UpdatePanel1" runat="server" >
<contenttemplate>

<asp:ListView ID="listJob" runat="server"OnItemCommand="listJob_ItemCommand" InsertItemPosition="LastItem"OnItemUpdating="listJob_ItemUpdating"OnItemDataBound="listJob_ItemDataBound"OnItemEditing="listJob_ItemEditing"OnItemCanceling="listJob_ItemCanceling" DataKeyNames="ShortEmpRptID"onitemcreated="listJob_ItemCreated">

<InsertItemTemplate>
    <asp:Button ID="InsertButton" runat="server" CommandName="Insert" Text="Insert" />
</InsertItemTemplate>
  </ContentTemplate>
</asp:UpdatePanel>

Insert command will be fired on following event :

protected void listJob_ItemCommand(object sender, ListViewCommandEventArgs e) {

          try
          {
              if (e.CommandName == "Insert")
              {

}
}
}

I want to update listview after insertion. How to update listview ? Thanks in advance