the web method is not returning any data when used

i m using the below web method to return data when page scrolls and is working good.....but when i m using the same web method in different web service to see the data returned,

it is not showing the desired data....this is my web method.....

thanks in advance....

[WebMethod] public DataSet GetCustomers(int pageindex, int categoryid, string brand, int price)

{ return GetCustomersData(pageindex, categoryid, brand, price);

}

public DataSet GetCustomersData(int pageindex, int categoryId, string brands, int price)

{

string query = "Getproducts";

SqlCommand cmd = new SqlCommand(query);

cmd.CommandType = CommandType.StoredProcedure;

cmd.Parameters.AddWithValue("@PageIndex", pageindex);//1

cmd.Parameters.AddWithValue("@PageSize", 12);//2

cmd.Parameters.AddWithValue("@CategoryId", categoryId);//3

cmd.Parameters.AddWithValue("@Brands", brands);//4

cmd.Parameters.AddWithValue("@Price", price);//5

cmd.Parameters.Add("@PageCount", SqlDbType.Int, 4).Direction = ParameterDirection.Output;

return GetData(cmd);

}

public DataSet GetData(SqlCommand cmd)

{

string CS = ConfigurationManager.ConnectionStrings["DBCS"].ConnectionString;

using (SqlConnection con = new SqlConnection(CS))

{

using (SqlDataAdapter sda = new SqlDataAdapter())

{

cmd.Connection = con;

sda.SelectCommand = cmd;

using (DataSet ds = new DataSet())

{

sda.Fill(ds, "Customers");

DataTable dt = new DataTable("PageCount");

dt.Columns.Add("PageCount");

dt.Rows.Add();

dt.Rows[0][0] = cmd.Parameters["@PageCount"].Value;

ds.Tables.Add(dt);

return ds;

}