Reservation Software for Ticketing Shop - Training in Live Projects with Expert Developers

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Framework Classes

Code Sample

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;
using System.Data.SqlClient;

namespace TicketRegistrationSystem
{
    public partial class Default : System.Web.UI.Page
    {
        private DataSet GetRegistration()
        {
            using (SqlConnection con = new SqlConnection(cConstants.ConnString))
            {
                con.Open();
                using (SqlDataAdapter da = new SqlDataAdapter(
                    "SELECT classID , className FROM tblClass", con))
                {
                    DataSet ds = new DataSet();
                    da.Fill(ds);
                    return ds;
                }

            }
        }
        protected void Page_Load(object sender, EventArgs e)
        {

            if (!IsPostBack)
            {
                DataSet ds = GetRegistration();
                ddlClass.DataSource = ds;
                ddlClass.DataTextField = "classID";
                ddlClass.DataTextField = "className";
                ddlClass.DataBind();
            }
        }

        protected void cvDepartureDate_ServerValidate(object source, ServerValidateEventArgs args)
        {
            args.IsValid = calDepartureDate.SelectedDate > DateTime.Now;
        }

        protected void lnkSave_Click(object sender, EventArgs e)
        {
            lblMsg.Text = "";
            if (Page.IsValid)
            {
                string strINSERTQuery = String.Format(
                    " INSERT INTO tblClients ( destinationCityName,departureDate,selectClass) " +
                    " VALUES ('{0}', '{1:dd-MMM-yyyy}','{2}')",
                    txtCity.Text,
                    calDepartureDate.SelectedDate,
                    ddlClass.SelectedValue);

                using (SqlConnection con = new SqlConnection(cConstants.ConnString))
                {
                    con.Open();
                    using (SqlCommand cmd = con.CreateCommand())
                    {
                        cmd.CommandText = strINSERTQuery;
                        try
                        {
                            cmd.ExecuteNonQuery();
                            lblMsg.Text = "Saved!";
                        }
                        catch (System.Exception ex)
                        {
                            lblMsg.Text = "Failed:" + ex.Message;
                            return;
                        }
                    }
                }

            }

        }
    }
}
    

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