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dalBookType.cs
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dalBookType.cs
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using LibrarySystemDemo.Models;
using System;
using System.Collections.Generic;
using System.Data;
using System.Data.SqlClient;
using System.Windows.Forms;
namespace LibrarySystemDemo.DAL
{
class dalBookType
{
public static List<BookType> GetBookTypes()
{
dbConnector connector = new dbConnector();
try
{
List<BookType> bookTypes = new List<BookType>();
SqlCommand cmd = new SqlCommand("spGetBookType", connector.GetConnection);
cmd.CommandType = CommandType.StoredProcedure;
connector.OpenConnection();
SqlDataReader reader = cmd.ExecuteReader();
while (reader.Read())
{
BookType bookType = new BookType();
bookType.BookTypeID = Convert.ToInt32(reader["BookTypeID"]);
bookType.BookTypeName = reader["BookTypeName"].ToString();
bookType.Memo = reader["Memo"].ToString();
bookTypes.Add(bookType);
}
return bookTypes;
}
catch (Exception e)
{
Console.WriteLine(e);
throw;
}
finally
{
connector.CloseConnection();
}
}
public static int AddBookType(BookType bookType)
{
dbConnector connector = new dbConnector();
int result = 0;
try
{
SqlCommand cmd = new SqlCommand("spAddBookType", connector.GetConnection);
cmd.CommandType = CommandType.StoredProcedure;
cmd.Parameters.AddWithValue("@BookTypeID", bookType.BookTypeID);
cmd.Parameters.AddWithValue("@BookTypeName", bookType.BookTypeName);
cmd.Parameters.AddWithValue("@Memo", bookType.Memo);
connector.OpenConnection();
result = cmd.ExecuteNonQuery();
}
catch (Exception e)
{
MessageBox.Show("Error in Inserting data");
}
finally
{
connector.CloseConnection();
}
return result;
}
public static int SaveBookType(BookType bookType)
{
dbConnector connector = new dbConnector();
int result = 0;
try
{
SqlCommand cmd = new SqlCommand("spSaveBookType", connector.GetConnection);
cmd.CommandType = CommandType.StoredProcedure;
cmd.Parameters.AddWithValue("@BookTypeID", bookType.BookTypeID);
cmd.Parameters.AddWithValue("@BookTypeName", bookType.BookTypeName);
cmd.Parameters.AddWithValue("Memo", bookType.Memo);
connector.OpenConnection();
result = cmd.ExecuteNonQuery();
}
catch (Exception e)
{
Console.WriteLine(e);
throw;
}
finally
{
connector.CloseConnection();
}
return result;
}
public static int DeleteBookType(int id)
{
var connector = new dbConnector();
int result = 0;
try
{
SqlCommand cmd = new SqlCommand("spDeleteBookType", connector.GetConnection);
cmd.CommandType = CommandType.StoredProcedure;
cmd.Parameters.AddWithValue("@BookTypeID", id);
connector.OpenConnection();
result = cmd.ExecuteNonQuery();
}
catch (Exception e)
{
Console.WriteLine(e);
throw;
}
finally
{
connector.CloseConnection();
}
return result;
}
}
}