/// <summary>
/// method to delete item from datebase
/// </summary>
/// <param name="ItemCode"></param>
/// <returns></returns>
public static bool DeleteItem(String ItemCode)
{
using (OleDbConnection db = clsItemsSQL.GetConnection())
{
clsItemsSQL sql = new clsItemsSQL();
db.Open();
OleDbCommand command = new OleDbCommand(sql.deletefrom(), db);
command.Parameters.Add(ItemCode);
return((command.ExecuteNonQuery() == 0) ? false : true);
}
}
/// <summary>
/// method to save items to the databse
/// </summary>
/// <param name="item"></param>
/// <returns></returns>
public static bool SaveToDatabase(clsItemsLogic item)
{
using (OleDbConnection db = clsItemsSQL.GetConnection())
{
db.Open();
clsItemsSQL sql = new clsItemsSQL();
OleDbCommand command = new OleDbCommand(sql.saveitem(), db);
command.Parameters.Add(new OleDbParameter("@ItemCode", item.ItemCode));
command.Parameters.Add(new OleDbParameter("@ItemDesc", item.ItemDesc));
command.Parameters.Add(new OleDbParameter("@Cost", item.ItemPrice));
return((command.ExecuteNonQuery() == 0) ? false : true);
}
}
/// <summary>
/// method to update datebase items
/// </summary>
/// <param name="item"></param>
/// <returns></returns>
public static bool UpdateItem(clsItemsLogic item)
{
if (item.ItemCode == null)
{
return(false);
}
using (OleDbConnection db = clsItemsSQL.GetConnection())
{
db.Open();
clsItemsSQL sql = new clsItemsSQL();
OleDbCommand command = new OleDbCommand(sql.update(), db);
command.Parameters.AddRange(new OleDbParameter[] {
new OleDbParameter("@Items", item.ItemDesc),
new OleDbParameter("@Cost", item.ItemPrice),
new OleDbParameter("@ItemCode", item.ItemCode)
});
return((command.ExecuteNonQuery() == 0) ? false : true);
}
}
/// <summary>
/// method to pull data from database
/// </summary>
/// <returns></returns>
public static List <clsItemsLogic> SelectItem()
{
List <clsItemsLogic> items = new List <clsItemsLogic>();
using (OleDbConnection db = clsItemsSQL.GetConnection())
{
db.Open();
clsItemsSQL sql = new clsItemsSQL();
OleDbCommand command = new OleDbCommand(sql.select(), db);
OleDbDataReader read = command.ExecuteReader();
while (read.Read())
{
items.Add(new clsItemsLogic()
{
ItemCode = read.GetString(0) ?? "", ItemDesc = read.GetString(1) ?? "", ItemPrice = read.GetDecimal(2)
});
}
db.Close();
}
return(items);
}
