Problem with gridview Delete

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C#

Hi all,
This is the code i used to bind a grid and delete records on click..
on clicking the delete button items get delete from the datatbase but the gridview is not populate with correct data(Deleted item also seen in the items) what is the pbm with my code...please fuide me in htis...Tnaks for all help in advance

<asp:GridView ID="grdLocation" runat="server" AutoGenerateColumns="False" DataKeyNames="LocationID"
             OnRowCancelingEdit="grdLocation_RowCancelingEdit"
             OnRowDeleting="grdLocation_RowDeleting" OnRowEditing="grdLocation_RowEditing" 
             OnRowUpdating="grdLocation_RowUpdating" Visible="False" 
                    onrowdatabound="grdLocation_RowDataBound1">
                <columns>
                <asp:BoundField DataField="LocationID" HeaderText="Category ID" Visible="False" />
                <asp:BoundField DataField="LocationName" HeaderText="Category Name" />
                <asp:CommandField HeaderText="Edit-Update" ShowEditButton="True" />
                <asp:CommandField HeaderText="Delete" ShowDeleteButton="True" />
                </columns>

public void bindgrdLocation()
       {
           grdLocation.DataSource = (new Locations()).GetAllLocations();
           grdLocation.DataBind();
           if (grdLocation.Rows.Count > 0)
           {
               grdLocation.Visible = true;
               lblMessage.Visible = false;
           }
           else
           {
               grdLocation.Visible = false;
               lblMessage.Visible = true;
               lblMessage.Text = "No records Found";
           }
       }

 protected void grdLocation_RowDeleting(object sender, GridViewDeleteEventArgs e)
       {
           Locations location = new Locations();
           location.LocationID = Convert.ToInt32(grdLocation.DataKeys[e.RowIndex].Value.ToString());
           location.Delete();
           bindgrdLocation();

       }