private void SaveButton_Click(object sender, EventArgs e)
{
SqlConnection con = new SqlConnection("Data Source=DESKTOP-P024OII\\TARIQULPC;Initial Catalog=Library_Management_System;Integrated Security=True");
try
{
con.Open();
SqlCommand cmd = con.CreateCommand();
cmd.CommandType = CommandType.Text;
cmd.CommandText = "insert into BooksInfo values('" + BookNameTextBox.Text + "', '" + AuthorNameTextBox.Text + "', '" + dateTimePicker1.Text + "', " + PriceTextBox.Text + ", " + QuantityTextBox.Text + ", " + QuantityTextBox.Text + ")";
cmd.ExecuteNonQuery();
MessageBox.Show("Book is successfully added");
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
finally
{
con.Close();
}
BookNameTextBox.Clear();
AuthorNameTextBox.Clear();
PriceTextBox.Clear();
QuantityTextBox.Clear();
}
private void BookNameCueText_Click(object sender, EventArgs e)
{
if (BookNameTextBox.Text == "")
{
BookNameCueText.Hide();
BookNameTextBox.Focus();
}
}
private void AcceptButton_Click(object sender, RoutedEventArgs e)
{
try
{
string name = BookNameTextBox.Text;
int count = int.Parse(BookCountTextBox.Text);
BookNameTextBox.Clear();
BookCountTextBox.Clear();
_books.Create(new Book(name, count));
}
catch (Exception exp)
{
(Owner.Owner as MainWindow).CallExceptionWindow($"Что-то пошло не так :(\n+{exp.Message}");
return;
}
(Owner.Owner as MainWindow).CallAcceptWindow("Книга добавлена успешно");
}
private void IssueButton_Click(object sender, EventArgs e)
{
SqlConnection con = new SqlConnection("Data Source=DESKTOP-P024OII\\TARIQULPC;Initial Catalog=Library_Management_System;Integrated Security=True");
try
{
con.Open();
SqlCommand scmd = new SqlCommand("select * from BooksInfo where BookName = '" + BookNameTextBox.Text + "'", con);
SqlDataReader sdr = scmd.ExecuteReader();
int AvailableBook = 0;
int id = 0;
if (sdr.Read())
{
AvailableBook = Convert.ToInt32(sdr[6]);
id = Convert.ToInt16(sdr[0]);
}
con.Close();
if (AvailableBook != 0)
{
con.Open();
SqlCommand sscmd = new SqlCommand("select * from Issue_book where StuID = '" + StuID + "' and BookID = " + id + ";", con);
SqlDataReader sReader = sscmd.ExecuteReader();
int count = 0;
while (sReader.Read())
{
count++;
}
con.Close();
if (count == 0)
{
con.Open();
SqlCommand cmd = new SqlCommand("insert into Issue_book(StuID ,StuName, StuDept, StuContact, StuEmail, BookID, BookName, BookIssueDate, RemainDay) values('" + StuID + "', '" + StuNameTextBox.Text + "', '" + StuDeptTextBox.Text + "', '" + StuContTextBox.Text + "', '" + StuEmailTextBox.Text + "', " + id + ", '" + BookNameTextBox.Text + "', '" + IssueDateTimePicker.Value.ToString() + "', '" + Convert.ToInt16(RemainDayTextBox.Text) + "');", con);
cmd.ExecuteNonQuery();
con.Close();
MessageBox.Show("Book is successfully issued", "Information", MessageBoxButtons.OK, MessageBoxIcon.Information);
con.Open();
AvailableBook--;
SqlCommand ucmd = new SqlCommand("update BooksInfo set AvailableQnt = " + AvailableBook + " where BookName = '" + BookNameTextBox.Text + "'", con);
ucmd.ExecuteNonQuery();
con.Close();
}
else if (count > 0)
{
MessageBox.Show("You have issued this book once but did not return. So return first", "Information", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}
else
{
MessageBox.Show("This book is not available", "Warning", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
finally
{
con.Close();
}
BookNameTextBox.Clear();
}
private void button1_Click(object sender, EventArgs e)
{
int check;
if (StudentNameTextBox.Text == string.Empty && DepartmentComboBox.SelectedIndex < 0 && RollNoTextBox.Text == string.Empty && CategoryComboBox.SelectedIndex < 0 && BookNameTextBox.Text == string.Empty)
{
MessageBox.Show("Fill all Fields!");
}
else if (StudentNameTextBox.Text == string.Empty)
{
MessageBox.Show("Please enter student name");
}
else if (DepartmentComboBox.SelectedIndex < 0)
{
MessageBox.Show("Please Select Department");
}
else if (RollNoTextBox.Text == string.Empty)
{
MessageBox.Show("Please Enter Roll Number");
}
else if (!int.TryParse(RollNoTextBox.Text, out check))
{
MessageBox.Show("Roll No can only be Integar");
RollNoTextBox.Clear();
}
else if (CategoryComboBox.SelectedIndex < 0)
{
MessageBox.Show("Please Select Category");
}
else if (BookNameTextBox.Text == string.Empty)
{
MessageBox.Show("please enter book name");
}
else
{
string Student_Name = StudentNameTextBox.Text;
string Department = DepartmentComboBox.SelectedItem.ToString();
string Roll_No = RollNoTextBox.Text;
string Category = CategoryComboBox.SelectedItem.ToString();
string Book_Name = BookNameTextBox.Text;
DateTime Issuance_Date = IssuanceDateDateTimePicker.Value;
DateTime Due_Date = DueDateDateTimePicker.Value;
int recieved = dataAccess.InsertIntoBookIssuanceTable(Student_Name, Department, Roll_No, Category, Book_Name, Issuance_Date, Due_Date);
if (recieved == 1)
{
date_time = DateTime.Now.ToLongDateString() + " " + DateTime.Now.ToLongTimeString();
writer = file.AppendText();
writer.WriteLine("New Book is Issued at " + date_time);
writer.Close();
MessageBox.Show("Data is stored successfully");
}
else
{
MessageBox.Show("Data is not Stored Successfully");
}
StudentNameTextBox.Clear();
DepartmentComboBox.SelectedIndex = -1;
RollNoTextBox.Clear();
CategoryComboBox.SelectedIndex = -1;
BookNameTextBox.Clear();
IssuanceDateDateTimePicker.ResetText();
DueDateDateTimePicker.ResetText();
}
}
