protected void Button1_Click(object sender, EventArgs e)
        {
            myCollection.Clear();

            string        conStr = ConfigurationManager.ConnectionStrings["DBCS"].ConnectionString;
            SqlConnection conn   = new SqlConnection(conStr);
            string        query  = "   select * from ProductDetails where Product_Price between " + TextBox1.Text + " and " + TextBox2.Text + " ";
            SqlCommand    cmd    = new SqlCommand(query, conn);

            try
            {
                conn.Open();
                SqlDataReader reader = cmd.ExecuteReader();

                imgArray obj;
                while (reader.Read())
                {
                    obj                 = new imgArray();
                    obj.Product_ID      = reader["Product_ID"].ToString();
                    obj.Product_Name    = reader["Product_Name"].ToString();
                    obj.Product_Picture = reader["Product_Picture"].ToString();
                    obj.Product_Price   = reader["Product_Price"].ToString();
                    obj.Category_ID     = reader["Category_ID"].ToString();
                    myCollection.Add(obj);
                }
            }
            catch (Exception exc)
            {
                Response.Write(exc.ToString());
            }
            finally
            {
                conn.Close();
            }
        }
        private void image()
        {
            string        conStr = ConfigurationManager.ConnectionStrings["DBCS"].ConnectionString;
            SqlConnection conn   = new SqlConnection(conStr);
            string        query  = " select * from ProductDetails ";
            SqlCommand    cmd    = new SqlCommand(query, conn);

            try
            {
                conn.Open();
                SqlDataReader reader = cmd.ExecuteReader();

                imgArray obj;
                while (reader.Read())
                {
                    obj                 = new imgArray();
                    obj.Product_ID      = reader["Product_ID"].ToString();
                    obj.Product_Name    = reader["Product_Name"].ToString();
                    obj.Product_Picture = reader["Product_Picture"].ToString();
                    obj.Product_Price   = reader["Product_Price"].ToString();
                    obj.Category_ID     = reader["Category_ID"].ToString();
                    myCollection.Add(obj);
                }
            }
            catch (Exception exc)
            {
                Response.Write(exc.ToString());
            }
            finally
            {
                conn.Close();
            }
        }
        protected void SelectFromCategory()
        {
            if (DropDownListProductCategory1.SelectedValue != "0")
            {
                string        conStr = ConfigurationManager.ConnectionStrings["DBCS"].ConnectionString;
                SqlConnection conn   = new SqlConnection(conStr);
                string        query  = " select * from ProductDetails where Category_ID=" + DropDownListProductCategory1.SelectedValue + "";
                SqlCommand    cmd    = new SqlCommand(query, conn);
                try
                {
                    conn.Open();
                    SqlDataReader reader = cmd.ExecuteReader();

                    imgArray obj;
                    while (reader.Read())
                    {
                        obj                 = new imgArray();
                        obj.Product_ID      = reader["Product_ID"].ToString();
                        obj.Product_Name    = reader["Product_Name"].ToString();
                        obj.Product_Picture = reader["Product_Picture"].ToString();
                        obj.Product_Price   = reader["Product_Price"].ToString();
                        obj.Category_ID     = reader["Category_ID"].ToString();
                        myCollection.Add(obj);
                    }
                }
                catch (Exception exc)
                {
                    Response.Write(exc.ToString());
                }
                finally
                {
                    conn.Close();
                }
            }
            else
            {
                this.image();
            }
        }