void UpdateMemberStatusByID(string status)
        {
            if (CheckIfMemberExists())
            {
                try
                {
                    SqlConnection con = new SqlConnection(strcon);
                    if (con.State == ConnectionState.Closed)
                    {
                        con.Open();

                    }

                    SqlCommand cmd = new SqlCommand("UPDATE tbl_member SET account_status='" + status + "' WHERE member_id='" + MembersID.Text.Trim() + "'", con);
                    cmd.ExecuteNonQuery();
                    con.Close();
                    GridMemberManagement.DataBind();
                    Response.Write("<script>alert('" + MembersName.Text.Trim() + "' + ' status successfully updated.' ); </script>");
                  

                }
                catch (Exception ex)
                {
                    Response.Write("<script>alert('" + ex.Message + "');</script>");
                }
            }
            else
            {
                Response.Write("<script>alert('Invalid Member ID');</script>");
            }

        }
        }//bool_CheckIfMemebrExists

        void DeleteMemberByID()
        {
            if (CheckIfMemberExists())
            {
                try
                {
                    SqlConnection con = new SqlConnection(strcon);
                    if (con.State == ConnectionState.Closed)
                    {
                        con.Open();
                    }

                    SqlCommand cmd = new SqlCommand("DELETE from tbl_member WHERE member_id='" + MembersID.Text.Trim() + "'", con);

                    cmd.ExecuteNonQuery();
                    con.Close();
                    Response.Write("<script>alert('" + MembersName.Text.Trim() + "' + ' is successfully deleted.' ); </script>");
                    GridMemberManagement.DataBind();


                }
                catch (Exception ex)
                {
                    Response.Write("<script>alert('" + ex.Message + "');</script>");
                }

            }
            else
            {
                Response.Write("<script>alert('Invalid Member ID');</script>");
            }
        }
 protected void Page_Load(object sender, EventArgs e)
 {
     GridMemberManagement.DataBind();
 }