gvCaseList.FirstDisplayedScrollingRowIndex = e.NewEditIndex;

> 'System.Web.UI.WebControls.GridView' does not contain a definition for
> 'FirstDisplayedScrollingRowIndex' and no extension method
> 'FirstDisplayedScrollingRowIndex' accepting a first argument of type
> 'System.Web.UI.WebControls.GridView' could be found (are you missing a
> using directive or an assembly reference?

//When edit is selected, allows user to update textbox and drop down
protected void gvCaseList_edit(object sender, GridViewEditEventArgs e)
{


    EditClicked = true;
    Label label1 = (Label)gvCaseList.Rows[e.NewEditIndex].FindControl("Label1");
    CurrentException = label1.Text;

    gvCaseList.EditIndex = e.NewEditIndex;

    if (ViewState["dirState"] != null)
    {
        gvCaseList.DataSource = ViewState["dirState"];
        gvCaseList.DataBind();
    }
    else
    {
        GetgvSearchCaseListData();
    }

}

<asp:updatepanel runat="server">
    <ContentTemplate>
     <asp:GridView ID="gvCaseList" runat="server" AllowSorting="True" OnSorting="gvCaseList_Sorting" OnRowEditing="gvCaseList_edit" OnRowUpdating="gvCaseList_RowUpdating" OnRowCancelingEdit="gvCaseList_RowCancelingEdit" OnRowDataBound="gvCaseList_RowDataBound" CellPadding="4" GridLines="Horizontal" AutoGenerateColumns="False" BackColor="White" BorderColor="#336666" BorderStyle="Double" BorderWidth="3px"  >
         <AlternatingRowStyle BackColor="Silver" />
        <Columns>
                   <asp:TemplateField>
                <ItemTemplate>
                    <asp:Button ID="EditButton" CssClass="btn btn-primary dropdown-toggle" runat="server" Text="Edit" CommandName="Edit" ></asp:Button>
                </ItemTemplate>
                <EditItemTemplate>
                    <asp:Button ID="UpdateButton" CssClass="btn btn-primary dropdown-toggle" runat="server" Text="Update" CommandName="Update" ></asp:Button>
                    <asp:Button ID="CancelButton" CssClass="btn btn-primary dropdown-toggle" runat="server" Text="Cancel"  CommandName="Cancel"></asp:Button>
                </EditItemTemplate>

                <ControlStyle Width="100px" />

            </asp:TemplateField>


        </Columns>



    </asp:GridView>
                     </ContentTemplate>
                 </asp:updatepanel>