hi

below error occurs:

Server Error in '/' Application.

 Compilation Error

Description: An error occurred during the compilation of a resource required to service this request. Please review the following specific error details and modify your source code appropriately. Compiler Error Message: CS0120: An object reference is required for the non-static field, method, or property '_mobile.GetEstatInfoM(int)' Source Error:

Line 1682:        System.Threading.Thread.Sleep(2000);
Line 1683:
Line 1684:        return GetEstatInfoM(1).GetXml();
Line 1685:    }
Line 1686:

below are codes:

    private void GetEstatInfoM(int pageIndex)
    {
        using (SqlConnection conn = General.GetConnection())
        {
            using (SqlCommand cmd = General.GetCommand("Estate_Information", conn))
            {
                cmd.CommandType = CommandType.StoredProcedure;
                cmd.Parameters.AddWithValue("@PageIndex", pageIndex);
                cmd.Parameters.AddWithValue("@PageSize", PageSize);
                cmd.Parameters.AddWithValue("@Type", Ddltype.SelectedItem.Text);
                cmd.Parameters.AddWithValue("@Transfer", Ddltran.SelectedItem.Text.Trim());
                cmd.Parameters.AddWithValue("@metraj", Ddlmetraj.SelectedItem.Text.Trim());
                cmd.Parameters.AddWithValue("@rahn2", Lblrahn1M.Text);
                cmd.Parameters.AddWithValue("@rahn1", Lblrahn1M.Text);
                cmd.Parameters.AddWithValue("@ejare2", Lblrahn1M.Text);
                cmd.Parameters.AddWithValue("@ejare1", Lblrahn1M.Text);
                cmd.Parameters.AddWithValue("@forosh2", Lblforosh2M.Text);
                cmd.Parameters.AddWithValue("@forosh1", Lblforosh1M.Text);
                cmd.Parameters.Add("@RecordCount", SqlDbType.Int, 4);
                cmd.Parameters["@RecordCount"].Direction = ParameterDirection.Output;
                conn.Open();
                SqlDataReader idr = cmd.ExecuteReader();
                if (idr.HasRows)
                {
                    GrdamlakMob.DataSource = idr;
                    GrdamlakMob.DataBind();
                }
                else
                {
                    GrdamlakMob.DataSource = idr;
                    GrdamlakMob.DataBind();
                }
                idr.Close();
                this.PopulatePagerPM(Convert.ToInt32(cmd.Parameters["@RecordCount"].Value), pageIndex);
            }
        }
    }

    [WebMethod]
    public static string GetCustomers(int pageIndex)
    {
        //Added to similate delay so that we see the loader working
        //Must be removed when moving to production
        System.Threading.Thread.Sleep(2000);

        return GetEstatInfoM(1).GetXml();
    }