I use this code:

Edit Update ASP.Net GridView cell value on Click using jQuery

in my project but it doesn't work to me.

How can I modify my code according to this code?

this is my GridView Code: 

            <asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" BackColor="White" BorderColor="#CCCCCC" BorderStyle="None" BorderWidth="1px" CellPadding="3"
                DataSourceID="SqlDataSrcAddMark" HorizontalAlign="Center" Font-Names="Tahoma" Width="572px">
                <Columns>
                    <asp:BoundField DataField="ExamAttendanceTypeId" HeaderText="وضعیت حضور" SortExpression="ExamAttendanceTypeId" HeaderStyle-CssClass="Header-center">
                        <HeaderStyle CssClass="Header-center"></HeaderStyle>
                    </asp:BoundField>
                    <asp:TemplateField HeaderText="نمره" SortExpression="Mark">
                        <ItemTemplate>
                            <asp:Label ID="lbl_Text1" runat="server" Text='<%# Bind("Mark") %>'></asp:Label>
                            <asp:TextBox ID="txt_Text1" runat="server" Text='<%# Bind("Mark") %>' CssClass="hideControl"
                                AutoPostBack="true" OnTextChanged="Change"></asp:TextBox>
                        </ItemTemplate>
                        <HeaderStyle CssClass="Header-center" />
                    </asp:TemplateField>
                    <asp:BoundField DataField="FirstName" HeaderText="نام خانوادگی" SortExpression="FirstName" HeaderStyle-CssClass="Header-center">
                        <HeaderStyle CssClass="Header-center"></HeaderStyle>
                    </asp:BoundField>
                    <asp:BoundField DataField="LastName" HeaderText="نام" SortExpression="LastName" HeaderStyle-CssClass="Header-center">
                        <HeaderStyle CssClass="Header-center"></HeaderStyle>
                    </asp:BoundField>
                    <asp:BoundField DataField="SubjectStudyLessonCourseId" HeaderText="-----" SortExpression="SubjectStudyLessonCourseId" HeaderStyle-CssClass="Header-center">
                        <HeaderStyle CssClass="Header-center"></HeaderStyle>
                    </asp:BoundField>
                </Columns>
                <FooterStyle BackColor="White" ForeColor="#000066" />
                <HeaderStyle BackColor="#006699" Font-Bold="True" ForeColor="White" />
                <PagerStyle BackColor="White" ForeColor="#000066" HorizontalAlign="Left" />
                <RowStyle ForeColor="#000066" />
                <SelectedRowStyle BackColor="#669999" Font-Bold="True" ForeColor="White" />
                <SortedAscendingCellStyle BackColor="#F1F1F1" />
                <SortedAscendingHeaderStyle BackColor="#007DBB" />
                <SortedDescendingCellStyle BackColor="#CAC9C9" />
                <SortedDescendingHeaderStyle BackColor="#00547E" />
            </asp:GridView>

<asp:SqlDataSource ID="SqlDataSrcAddMark" runat="server" ConnectionString="<%$ ConnectionStrings:KDUIS-v1ConnectionString %>" SelectCommand="AttendanceList" SelectCommandType="StoredProcedure">
    <SelectParameters>
        <asp:ControlParameter ControlID="SubjectStudyLessonCourseId" Name="CourseId" PropertyName="Text" Type="Int32" />
    </SelectParameters>
</asp:SqlDataSource>

        protected void Change(object sender, EventArgs e)
        {
            TextBox txtMark = sender as TextBox;
            GridViewRow row = (GridViewRow)txtMark.NamingContainer;
            string query = "UPDATE EDU_Student_Course_Registration SET Mark = @Mark WHERE SubjectStudyLessonCourseId = @SubjectStudyLessonCourseId";
            string constr = ConfigurationManager.ConnectionStrings["KDUIS-v1ConnectionString"].ConnectionString;
            using (SqlConnection con = new SqlConnection(constr))
            {
                using (SqlCommand cmd = new SqlCommand(query, con))
                {
                    cmd.Parameters.AddWithValue("@Mark", txtMark.Text);
                    cmd.Parameters.AddWithValue("@SubjectStudyLessonCourseId", row.Cells[4].Text);
                    con.Open();
                    cmd.ExecuteNonQuery();
                    con.Close();
                }
            }
           
        }