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Niraj Parmar
NA
11
2.4k
i have error there is no row at position 0
Sep 9 2018 10:42 PM
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data.SqlClient;
using System.Data;
using System.IO;
public partial class Show : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
String id;
if (Convert.ToString(Session["login"]) != "1")
{
Response.Redirect("Login.aspx?msg=Login to your accout. To access the page !!!");
}
if (!Page.IsPostBack)
{
FillMovieListing();
FillShowListing();
}
}
protected void save_data_Click(object sender, EventArgs e)
{
//finding audi id and total seats of audi from booking_show_id
String audiid = this.getAudiID(booking_show_id.Text);
String nseats = this.getAudiIDSeats(audiid);
//finding total seats book as per booking id
String bs = this.getAudiNumberOfBookSeats(booking_show_id.Text);
//checking whether seats are remaining
//if not display error message then return
int availableseats = int.Parse(nseats) - int.Parse(bs);
if (availableseats < int.Parse(booking_no_seats.Text))
{
//show error
Response.Redirect("Movies.aspx?msg=seats are not avilable sry!!!");
return;
}
String ticketCost = this.getShowAmount(booking_show_id.Text);
int totalCost = Convert.ToInt32(ticketCost) * Convert.ToInt32(booking_no_seats.Text);
DBConnection cn = new DBConnection();
String SQL;
String userID = Convert.ToString(Session["users_id"]);
SQL = "INSERT INTO booking (booking_movie_id, booking_user_id, booking_show_id, booking_date, booking_no_seats, booking_amount, booking_status ) VALUES (@1, @2, @3, @4, @5, @6, @7);";
SqlCommand insertCommand = new SqlCommand(SQL, cn.con);
insertCommand.CommandType = CommandType.Text;
insertCommand.Parameters.AddWithValue("@1", booking_movie_id.Text);
insertCommand.Parameters.AddWithValue("@2", userID);
insertCommand.Parameters.AddWithValue("@3", booking_show_id.Text);
insertCommand.Parameters.AddWithValue("@4", booking_date.Text);
insertCommand.Parameters.AddWithValue("@5", booking_no_seats.Text);
insertCommand.Parameters.AddWithValue("@6", totalCost);
insertCommand.Parameters.AddWithValue("@7", '0');
insertCommand.ExecuteNonQuery();
//finding last inserted id
SqlDataAdapter da = new SqlDataAdapter("Select max(booking_id) from booking", cn.con);
DataSet tempds = new DataSet();
da.Fill(tempds);
long bookingID = long.Parse(tempds.Tables[0].Rows[0][0].ToString());
cn.con.Close();
Response.Redirect("payment.aspx?booking_id=" + bookingID + "&amt=" + totalCost);
}
private void FillMovieListing()
{
DBConnection cn = new DBConnection();
SqlCommand cmd;
cmd = new SqlCommand("Select * From movie", cn.con);
cmd.CommandType = CommandType.Text;
SqlDataAdapter sda = new SqlDataAdapter(cmd);
DataTable dt = new DataTable();
sda.Fill(dt);
booking_movie_id.DataValueField = "movie_id";
booking_movie_id.DataTextField = "movie_name";
booking_movie_id.DataSource = dt;
booking_movie_id.DataBind();
booking_movie_id.Items.Insert(0, "Please Select");
}
private void FillShowListing()
{
DBConnection cn = new DBConnection();
SqlCommand cmd;
cmd = new SqlCommand("Select * From show", cn.con);
cmd.CommandType = CommandType.Text;
SqlDataAdapter sda = new SqlDataAdapter(cmd);
DataTable dt = new DataTable();
sda.Fill(dt);
booking_show_id.DataValueField = "show_id";
booking_show_id.DataTextField = "show_from_time";
booking_show_id.DataSource = dt;
booking_show_id.DataBind();
booking_show_id.Items.Insert(0, "Please Select");
}
public String getShowAmount(String id)
{
DBConnection cn = new DBConnection();
String SQL = "SELECT * FROM show WHERE show_id = '" + id + "'";
SqlCommand command = new SqlCommand(SQL, cn.con);
DataTable dt = new DataTable();
SqlDataAdapter adp = new SqlDataAdapter(command);
adp.Fill(dt);
DataRow dr = dt.Rows[0];
String showAmount = Convert.ToString(dr["show_ticket_price"]);
cn.con.Close();
return showAmount;
}
public String getAudiID(String id)
{
DBConnection cn = new DBConnection();
String SQL = "SELECT show_audi_id FROM show WHERE show_id = '" + id + "'";
SqlCommand command = new SqlCommand(SQL, cn.con);
DataTable dt = new DataTable();
SqlDataAdapter adp = new SqlDataAdapter(command);
adp.Fill(dt);
DataRow dr = dt.Rows[0];
String showAmount = Convert.ToString(dr["show_audi_id"]);
cn.con.Close();
return showAmount;
}
public String getAudiIDSeats(String id)
{
DBConnection cn = new DBConnection();
String SQL = "SELECT audi_no_of_seats FROM audi WHERE audi_id = '" + id + "'";
SqlCommand command = new SqlCommand(SQL, cn.con);
DataTable dt = new DataTable();
SqlDataAdapter adp = new SqlDataAdapter(command);
adp.Fill(dt);
DataRow dr = dt.Rows[0];
String showAmount = Convert.ToString(dr["audi_no_of_seats"]);
cn.con.Close();
return showAmount;
}
public String getAudiNumberOfBookSeats(String id)
{
DBConnection cn = new DBConnection();
String SQL = "SELECT booking_no_seats FROM booking WHERE booking_show_id = '" + id + "'";
SqlCommand command = new SqlCommand(SQL, cn.con);
DataTable dt = new DataTable();
SqlDataAdapter adp = new SqlDataAdapter(command);
adp.Fill(dt);
DataRow dr = dt.Rows[0];
String showAmount = Convert.ToString(dr[" booking_no_seats"]);
cn.con.Close();
return showAmount;
}
}
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