public static List <Slip> GetSlips()
{
List <Slip> slips = new List <Slip>(); //empty list
Slip s; //just for reading variables expressed before the commands!
//create the connection
SqlConnection connection = MarinaDB.GetConnection();
//create the command for SELECT query to get the states
string query = "SELECT ID, Width, Length, DockID, BookingStatus " +
"FROM Slip " +
"ORDER by Id";
SqlCommand cmd = new SqlCommand(query, connection);
try
{
//open the connection
connection.Open();
//run the command
SqlDataReader reader = cmd.ExecuteReader(); //built-in
//each state data returned, make state object and add to the list
while (reader.Read()) //while there still is data to read
{
s = new Slip();
s.ID = (int)reader["ID"]; //[] indexer from chapter 13
s.Width = (int)(reader["Width"]);
s.Length = (int)(reader["Length"]);
s.DockID = (int)(reader["DockID"]);
s.BookingStatus = (int)(reader["BookingStatus"]);
slips.Add(s);
}
reader.Close();
}
catch (Exception ex) //error
{
throw ex;
}
finally //executes always
{
connection.Close();
}
//return the list of slips
return(slips);
}
public static Slip UpdateSlipStatus(int slipID)
{
Slip slip = null;
// create connection
SqlConnection connection = MarinaDB.GetConnection();
// create SELECT command
string query = "SELECT ID, Width, Length, DockID, BookingStatus " +
"FROM Slip " +
"WHERE ID = " + slipID;
SqlCommand cmd = new SqlCommand(query, connection);
// supply parameter value
cmd.Parameters.AddWithValue("@CustomerID", slipID);
// run the SELECT query
try
{
connection.Open();
SqlDataReader reader = cmd.ExecuteReader(CommandBehavior.SingleRow);
// build customer object to return
if (reader.Read()) // if there is a customer with this ID
{
slip = new Slip();
slip.ID = slipID;
slip.Width = (int)reader["Width"];
slip.Length = (int)reader["Length"];
slip.DockID = (int)reader["DockID"];
slip.BookingStatus = 1;
}
reader.Close();
}
catch (Exception ex)
{
throw ex;
}
finally
{
connection.Close();
}
return(slip);
}
// retrieve customers from given state
public static List <Slip> GetSlipsByDocks(int dockID)
{
List <Slip> slips = new List <Slip>(); // empty list
Slip slip = null; // for reading
// create connection
SqlConnection connection = MarinaDB.GetConnection();
// create SELECT command
string query = "SELECT ID, Width, Length, DockID, BookingStatus " +
"FROM Slip " +
"WHERE DockID = @DockID AND BookingStatus =0";
SqlCommand cmd = new SqlCommand(query, connection);
// supply parameter value
cmd.Parameters.AddWithValue("@DockID", dockID);
// run the SELECT query
connection.Open();
SqlDataReader reader = cmd.ExecuteReader(CommandBehavior.CloseConnection);
// add customers to the list
while (reader.Read()) // while there are customers
{
slip = new Slip();
slip.ID = (int)reader["ID"];
slip.Width = (int)reader["Width"];
slip.Length = (int)reader["Length"];
slip.DockID = (int)reader["DockID"];
slip.BookingStatus = (int)reader["BookingStatus"];
slips.Add(slip);
}
reader.Close();
return(slips);
}
public static List <Slip> GetAvailableSlipsDoNotUse()
{
List <Slip> slips = new List <Slip>(); //empty list
Slip s; //just for reading variables expressed before the commands!
//create the connection
int selectedDockID;
//We need to know which dock has been selected
System.Web.UI.Page currentPage = HttpContext.Current.Handler as System.Web.UI.Page;
//Find controls of the LeaseSlip.aspx here
DropDownList dropDown = (DropDownList)currentPage.FindControl("ddlLeaseSlipDock");
//Sets the selectedDockID value to the index of the selected item in the dropdownlist
selectedDockID = dropDown.SelectedIndex + 1;
SqlConnection connection = MarinaDB.GetConnection();
//create the command for SELECT query to get the states
string query = "SELECT ID, Width, Length, DockID, BookingStatus " +
"FROM Slip " +
"WHERE (BookingStatus = 0 " +
"AND DockID = " + selectedDockID + ") " +
"ORDER by Id";
SqlCommand cmd = new SqlCommand(query, connection);
try
{
//open the connection
connection.Open();
//run the command
SqlDataReader reader = cmd.ExecuteReader(); //built-in
//each state data returned, make state object and add to the list
while (reader.Read()) //while there still is data to read
{
s = new Slip();
s.ID = (int)reader["ID"]; //[] indexer from chapter 13
s.Width = (int)(reader["Width"]);
s.Length = (int)(reader["Length"]);
s.DockID = (int)(reader["DockID"]);
s.BookingStatus = (int)(reader["BookingStatus"]);
slips.Add(s);
}
reader.Close();
}
catch (Exception ex) //error
{
throw ex;
}
finally //executes always
{
connection.Close();
}
//return the list of slips
return(slips);
}
