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Data Context Class
using System;
using System.Collections.Generic;
using System.Web;
using System.Data;
using System.Data.SqlClient;
public class DataContext
{
SqlConnection con = new SqlConnection();
SqlCommand cmd = new SqlCommand();
SqlDataAdapter da = new SqlDataAdapter();
//SqlDataReader dr = new SqlDataReader();
public void Openconnection()
{
if (con.State == ConnectionState.Closed)
{
try
{
string constring = "Data Source=.; Initial Catalog=onlineauction; Integrated Security=True";
con.ConnectionString = constring;
con.Open();
cmd.Connection = con;
}
catch (Exception ex)
{
ex.Message.ToString();
}
}
}
public void CloseConnection()
{
if (con.State == ConnectionState.Open)
{
con.Close();
}
}
public DataTable getdataTable(string Query)
{
DataTable dt = new DataTable();
Openconnection();
cmd.CommandType = CommandType.Text;
cmd.CommandText = Query;
da.SelectCommand = cmd;
da.Fill(dt);
CloseConnection();
return dt;
}
public int executeNonquery(string Query)
{
Openconnection();
cmd.CommandType = CommandType.Text;
cmd.CommandText = Query;
int i = cmd.ExecuteNonQuery();
CloseConnection()
Business Logic Class
using System;
using System.Collections.Generic;
using System.Linq;
using System.Data;
using System.Web;
/// <summary>
/// Summary description for BusinessLogic
/// </summary>
public class BusinessLogic
{
DataContext obj_datacontext = new DataContext();
public bool submitdetails(string username, string password, string name, string Email, long mobile, string accountno, string bankname, string usertype,string address,string ques,string ans)
{
string query="insert into tbl_usermaster (Username,Password,question,ans) values('"+username+"','"+password+"','"+ques+"','"+ans+"')";
int i = obj_datacontext.executeNonquery(query);
string query1 = "select max(i_autoid) as i_autoid from tbl_usermaster ";
DataTable dt = obj_datacontext.getdataTable(query1);
int refid = Convert.ToInt32(dt.Rows[0]["i_autoid"].ToString());
string query2 = "INSERT INTO tbl_userdetails (ref_id, user_type, address, name, mobile_no, Email_id, Account_no, bankname) VALUES ('"+refid+"', '"+usertype+"', '"+address+"', '"+name+"', '"+mobile+"', '"+Email+"', '"+accountno+"', '"+bankname+"')";
int roweffected = obj_datacontext.executeNonquery(query2);
if (i > 0 && roweffected > 0)
{
return true;
}
else
{
return false;
}
}
public DataTable getuserdetails(int userid)
{
string query = "SELECT ref_id, user_type, address, name, mobile_no, Email_id, Account_no, bankname FROM tbl_userdetails where ref_id = '" + userid + "'";
DataTable dt = obj_datacontext.getdataTable(query);
return dt;
}
public bool updateuserdetails(int uid, string accountno, string name, string Email, long mobile, string bankname, string address)
{
string query = "UPDATE tbl_userdetails SET address ='"+address+"', name ='"+name+"', mobile_no ='"+mobile+"', Email_id ='"+Email+"', Account_no ='"+accountno+"', bankname ='"+bankname+"' WHERE (ref_id = '"+uid+"')";
int i = obj_datacontext.executeNonquery(query);
if (i > 0)
{
return true;
}
else
{
return false;
}
}
public bool inserttypedata(string typeimagepath,string typename)
{
string query = "insert into tbl_typemaster (typeimage,typename) values('"+typeimagepath+"','"+typename+"')";
int roweffected = obj_datacontext.executeNonquery(query);
if (roweffected > 0)
{
return true;
}
else
{
return false;
}
}
public DataTable getitemtypes()
{
string query = "select * from tbl_typemaster";
DataTable dt = obj_datacontext.getdataTable(query);
return dt;
}
public bool insertitemsdetails(int i_refid,string itemimagepath, string itemname)
{
string query = "insert into tbl_itemsdetailsmaster(i_refid,itemname,itemimage) values('"+i_refid+"','"+itemname+"','"+itemimagepath+"')";
int i = obj_datacontext.executeNonquery(query);
if (i > 0)
{
return true;
}
else
{
return false;
}
}
public DataTable getitemsdetails(int typeid)
{
string query = "SELECT tbl_itemsdetailsmaster.itemname, tbl_itemsdetailsmaster.itemimage, tbl_typemaster.i_autoid FROM tbl_itemsdetailsmaster INNER JOIN tbl_typemaster ON tbl_itemsdetailsmaster.i_refid = tbl_typemaster.i_autoid WHERE (tbl_itemsdetailsmaster.i_refid = '" + typeid + "')";
DataTable dt = obj_datacontext.getdataTable(query);
return dt;
}
public bool addauctiondetails(DateTime effectedfrom, DateTime effectedto, string description, int userid, int itemid, int starting_amount)
{
string query = "INSERT INTO tbl_auctionmaster (userid, itemid, startingdate, endingdate, Description,starting_amount) VALUES ('" + userid + "','" + itemid + "', '" + effectedfrom + "','" + effectedto + "', '" + description + "','" + starting_amount + "')";
int i = obj_datacontext.executeNonquery(query);
if (i > 0)
{
return true;
}
else
{
return false;
}
}
public DataTable getauctiondetails(int userid)
{
string query = "SELECT tbl_auctionmaster.itemid, tbl_itemsdetailsmaster.itemname, tbl_itemsdetailsmaster.itemimage, tbl_auctionmaster.starting_amount, tbl_auctionmaster.startingdate, tbl_biddetails.i_bidprice FROM tbl_bidmaster INNER JOIN tbl_biddetails ON tbl_bidmaster.i_autoid = tbl_biddetails.i_refid INNER JOIN tbl_auctionmaster ON tbl_bidmaster.i_auctionid = tbl_auctionmaster.i_autoid INNER JOIN tbl_itemsdetailsmaster ON tbl_auctionmaster.itemid = tbl_itemsdetailsmaster.itemname WHERE (tbl_biddetails.i_bidprice = MAX(tbl_biddetails.i_bidprice) AND (tbl_auctionmaster.userid = '"+userid+"'))";
DataTable dt = obj_datacontext.getdataTable(query);
return dt;
}
public bool submitContactForm(string name, string email, string description, string mobileno)
{
string query = "INSERT INTO tbl_contactDetails (Name, Mobileno, Msg, Email) VALUES ('" + name + "', '" + mobileno + "', '" + description + "', '" + email + "')";
int roweffected = obj_datacontext.executeNonquery(query);
if (roweffected > 0)
{
return true;
}
else
{
return false;
}
}
public DataTable getContactdetails()
{
string query = "select * from tbl_contactDetails";
DataTable dt = obj_datacontext.getdataTable(query);
if (dt.Rows.Count > 0)
{
return dt;
}
else
{
dt = null;
return dt;
}
}
public DataTable getAllauctionDetails()
{
string query = "SELECT tbl_auctionmaster.itemid, tbl_itemsdetailsmaster.itemname, tbl_itemsdetailsmaster.itemimage, tbl_auctionmaster.startingdate, tbl_auctionmaster.endingdate, tbl_auctionmaster.Description, tbl_auctionmaster.starting_amount, tbl_auctionmaster.userid FROM tbl_auctionmaster INNER JOIN tbl_itemsdetailsmaster ON tbl_auctionmaster.itemid = tbl_itemsdetailsmaster.i_autoid";
DataTable dt = obj_datacontext.getdataTable(query);
if (dt.Rows.Count > 0)
{
return dt;
}
else
{
dt = null;
return dt;
}
}
public bool sendfeedback(string name, string emailid, string subject, string feedback)
{
string query = "INSERT INTO tbl_feedbackdetails (name, emailid, subject, feedback) VALUES ('"+name+"', '"+emailid+"', '"+subject+"', '"+feedback+"')";
int i = obj_datacontext.executeNonquery(query);
if (i > 0)
{
return true;
}
else
{
return false;
}
}
public DataTable getFeedbackdetails()
{
string query = "select * from tbl_feedbackdetails";
DataTable dt = obj_datacontext.getdataTable(query);
return dt;
}
public DataTable recoverpassword(string username, string securityques, string ans)
{
string query = "select * from tbl_usermaster where username = '"+username+"'and Question='"+securityques+"'";
DataTable dt = obj_datacontext.getdataTable(query);
return dt;
}
}
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