private void checkBox2_CheckedChanged(object sender, EventArgs e)
{
this.Hide();
Form15 form15 = new Form15();
form15.Show();
}
private void button7_Click(object sender, EventArgs e)
{
this.Hide();
Form15 form15 = new Form15();
form15.Show();
}
private void button5_Click(object sender, EventArgs e)
{
String connection = "Provider=OraOLEDB.Oracle;Data Source=localhost;User Id=system;Password=system;OLEDB.NET=True";
OleDbConnection obj3 = new OleDbConnection(connection);
String query1 = "select count(*) from current_borrowings where rid='" + comboBox1.Text + "'";
OleDbCommand cm4 = new OleDbCommand(query1, obj3);
obj3.Open();
OleDbDataReader rd = cm4.ExecuteReader();
Int64 count = 0;
while (rd.Read())
{
count = int.Parse(rd[0].ToString());
}
obj3.Close();
if (count == 0)
{
String query = "delete from reader where rid = '" + comboBox1.Text + "'";
obj3.Open();
try
{
OleDbCommand cm = new OleDbCommand(query, obj3);
cm.ExecuteNonQuery();
MessageBox.Show("Reader Deleted from Database");
}
catch (Exception ee)
{
MessageBox.Show("Error...Reader not Deleted");
}
obj3.Close();
}
else
{
MessageBox.Show("Please Settle all the borrowings of '" + textBox1.Text + "' before deleting");
this.Hide();
Form15 form15 = new Form15();
form15.Show();
}
}
