// this method is for adding
// the order of parameters should be the same as the stored proc inthe database
public void Add_Cloth(int id_cat, String item_id, String item_label,
int quanitity, String price, int sub_id, byte[] image)
{
DAL.DataAccesssLayer Dal = new DAL.DataAccesssLayer();
Dal.Open();
SqlParameter[] param = new SqlParameter[7];
param[0] = new SqlParameter("@id_cat", SqlDbType.Int);
param[0].Value = id_cat;
param[1] = new SqlParameter("@item_id", SqlDbType.VarChar, 30);
param[1].Value = item_id;
param[2] = new SqlParameter("@item_label", SqlDbType.VarChar, 50);
param[2].Value = item_label;
param[3] = new SqlParameter("@quantity", SqlDbType.Int);
param[3].Value = quanitity;
param[4] = new SqlParameter("@price", SqlDbType.VarChar, 20);
param[4].Value = price;
param[5] = new SqlParameter("@sub_id", SqlDbType.Int);
param[5].Value = sub_id;
param[6] = new SqlParameter("@item_image", SqlDbType.Image);
param[6].Value = image;
Dal.ExecuteUpdate("ADD_Cloth", param);
Dal.Close();
}
public byte[] Get_images(string id)
{
DAL.DataAccesssLayer dal = new DAL.DataAccesssLayer();
String qu = " select * from Items where Item_id=" + id + ";";
dal.Open();
SqlDataReader dr = dal.Execut(qu);
// dal.Close();
dr.Read();
byte[] buteimg = null;
buteimg = (byte[])dr["Item_image"];
// MemoryStream ms = new MemoryStream(buteimg);
return(buteimg);
}
// these parameter willbe snet to te stored proc in the databse
public DataTable Login(String id, String pass)
{
// this method is for calling the stored procedure
// ths equals the callable ststment java Video 89
// every data base has its own language to store stored procedure
DAL.DataAccesssLayer Dal = new DAL.DataAccesssLayer();
SqlParameter[] param = new SqlParameter[2];
param[0] = new SqlParameter("@ID", SqlDbType.VarChar, 20);
param[0].Value = id;
param[1] = new SqlParameter("@pasword", SqlDbType.VarChar, 20);
param[1].Value = pass;
Dal.Open();
DataTable dt = new DataTable();
// this will pass the name of the procedure
// and the method will deal with the prcedure
// the load of the sql statment will be dine in the server
dt = Dal.ExecutQuery("logIn", param);
Dal.Close();
return(dt);
}