Library Management System  free asp.net project with source codes

This web application is used to handle typical operations in a library system. This application is developed for librarians. Issuing book, returning book, adding member, and searching for books are some of the major operations of this application.

Technologies and Products used

• ASP.NET 2.0
• C# language
• Visual Web Developer 2005 Express Edition
• SQL Server 2005 Express Edition

File Structure

The following is the directory structure of this application.

exam
 |- App_Data
 |    |-Database.mdf
 |- App_Code
 |    |-Database.cs
 |- App_Themes
 |    |-style.css
 |- all
 |    |-LibraryService.asmx
 |- photos (this directory contains .jpg files of members)
 |- default.aspx
 |- login.aspx
 |- addtitle.aspx
 |- addmember.aspx
 |- Masterpage.master
 |- memberinfo.aspx
 |- members.aspx
 |- changepassword.aspx
 |- deletemember.aspx
 |- issue.aspx
 |- returnbook.aspx
 |- memberslist.aspx
 |- searchbooks.aspx
 |- web.config
 |- web.sitemap
 |- updatemembers.aspx
 |- logout.aspx

Operations and related files

The following table lists operations and associated objects and files.

Operation	Files
Login	login.aspx
Logout	logout.aspx
Delete Member	deletemember.aspx
Master page of all	Masterpage.master
Home Page	Default.aspx
Change password	changepassword.aspx
Add Title	addtitle.aspx
Add Member	addmember.aspx
Iseue of book	issue.aspx
Return of book	returnbook.aspx
Search books	searchbooks.aspx
Update Members	updatemembers.aspx
Member Information	memberinfo.aspx
List of books	books.aspx

Structure of Tables

USERS Table

uname - varchar(10)
pwd - varchar(10)
fullname - varchar(30)

SUBJECTS Table

subcode - varchar(10)
subname - varchar(30)
di - datetime

MEMBERS Table

mid - int
mname - varchar(30)
depositamt - int
djoin - datetime
email - varchar(40)
occupation - varchar(50)

TITLES Table

tid - int
title - varchar(30)
subcode - varchar(10)
authors - varchar(50)
price - int
dp - datetime
publishers - varchar(30)
status - char(1)

ISSUES Table

tid - int
mid - int
di - datetime
issuedby - varchar(10)

RETURNS Table

tid - int
mid - int
di - datetime
dr - datetime
issuedby - varchar(10)
returnedto - varchar(10)
fineamt - int

Steps to download, deploy and run this project

The following are the steps to related to be taken to run the existing part of the application :

1. Download lm.zip and unzip it into any directory in your system. (For example if you extract to d:\ then it will create a directory lm in d:\.
2. Open Visual Web Developer 2005 Express Edition.
3. Open the project from the directory into which you extracted project.For example, d:\lm
4. Add SQL Database file to your project and create necessary tables as shown above.
5. Create issuebook and returnbook procedures as shown below.

   ALTER PROCEDURE IssueBook
    (
    @tid int,
    @mid int,
    @di  datetime,
    @issuedby varchar(10)
    )
   AS
   declare @nbooks int
   /* check titles availablity */
   
   if  not exists( select * from titles where tid = @tid and status  = 'a')
    begin
      raiserror('Title is not present or not available',15,1)
      return
    end
   
   /* check members availablity */
   if  not exists (select * from members where mid = @mid )
     begin
      raiserror('Invalid member id!',15,1)
      return
    end
   
   

   ALTER PROCEDURE ReturnBook
    (
    @tid int,
    @dr datetime,
    @user  varchar(10)
    )
   AS
   declare @fine int
   declare @mid int
   declare @issuedby varchar(10)
   declare @di datetime
   
   
   /* check tid is valid */
   if not exists (select * from issues where tid = @tid)
     begin
       raiserror('Title is not in the issued titles!',15,1)
       return
     end
   
   /* calculate fine */
   select  @fine=case
             when datediff(dd,di,getdate()) > 15 then datediff(dd,di,getdate())-15
             else 0
            end
   from issues where tid = @tid;
   
   select @mid = mid, @di = di, @issuedby=issuedby
   from issues where tid = @tid;
   
   /* insert a row into returns */
   
   begin tran
   insert into returns
     values(@tid,@mid,@di,@dr,@issuedby,@user,@fine);
   
   delete from issues where tid = @tid;
   
   update titles set status ='a'
   where tid = @tid
   
   commit tran
   
   

6. Goto Solution Explorer and make default.aspx the startup page.
7. Run project from VWD 2005 Express Edition.
8. You should see login.aspx page.