public static bool Insert(Borrower b)
{
try
{
SqlConnection cn = new SqlConnection("Data Source=localhost;Initial Catalog=Library;Integrated Security=True");
SqlCommand cmd = new SqlCommand("Insert into Borrower(borrowerNumber, name, sex, address, telephone, email)"
+ "values(@borrowerNumber, @name, @sex, @address, @telephone, @email)", cn);
cmd.Parameters.AddWithValue("@borrowerNumber", b.BorrowerNumber);
cmd.Parameters.AddWithValue("@name", b.Name);
cmd.Parameters.AddWithValue("@sex", b.Sex);
cmd.Parameters.AddWithValue("@address", b.Address);
cmd.Parameters.AddWithValue("@telephone", b.Telephone);
cmd.Parameters.AddWithValue("@email", b.Email);
cn.Open();
cmd.ExecuteNonQuery();
cn.Close();
return true;
}
catch (System.Exception ex)
{
MessageBox.Show(ex.Message);
return false;
}
}
public static bool Delete(Borrower b)
{
try
{
SqlConnection cn = new SqlConnection("Data Source=localhost;Initial Catalog=Library;Integrated Security=True");
SqlCommand cmd = new SqlCommand("Delete Borrower where borrowerNumber = @borrowerNumber", cn);
cmd.Parameters.AddWithValue("@borrowerNumber", b.BorrowerNumber);
cn.Open();
cmd.ExecuteNonQuery();
cn.Close();
return true;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
return false;
}
}
public static bool Update(Borrower b)
{
try
{
SqlConnection cn = new SqlConnection("Data Source=localhost;Initial Catalog=Library;Integrated Security=True");
SqlCommand cmd = new SqlCommand("Update Borrower set name = @name, "
+ "sex = @sex, address = @address, telephone=@telephone, email=@email where borrowerNumber = @borrowerNumber", cn);
cmd.Parameters.AddWithValue("@borrowerNumber", b.BorrowerNumber);
cmd.Parameters.AddWithValue("@name", b.Name);
cmd.Parameters.AddWithValue("@sex", b.Sex);
cmd.Parameters.AddWithValue("@address", b.Address);
cmd.Parameters.AddWithValue("@telephone", b.Telephone);
cmd.Parameters.AddWithValue("@email", b.Email);
cn.Open();
cmd.ExecuteNonQuery();
cn.Close();
return true;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
return false;
}
}
public static bool Update(Borrower b)
{
return BorrowerDA.Update(b);
}
public static bool Insert(Borrower b)
{
return BorrowerDA.Insert(b);
}
public static bool Delete(Borrower b)
{
return BorrowerDA.Delete(b);
}
