public void insertRecord(Author a)
{
NpgsqlCMD = new NpgsqlCommand();
NpgsqlCMD.CommandText = @"Insert into AUTHORS (AUTHOR_ID, AUTHOR_LNAME, AUTHOR_FNAME, AUTHOR_MNAME, AUTHOR_EMAIL, AUTHOR_ASSOC, AUTHOR_DEPT)
VALUES (nextval('authors_author_id_seq'), :lname, :fname, :mi, :email, :association, :dept)";
NpgsqlCMD.Parameters.Add(new NpgsqlParameter(":lname", NpgsqlDbType.Varchar));
NpgsqlCMD.Parameters.Add(new NpgsqlParameter(":fname", NpgsqlDbType.Varchar));
NpgsqlCMD.Parameters.Add(new NpgsqlParameter("mi", NpgsqlDbType.Varchar));
NpgsqlCMD.Parameters.Add(new NpgsqlParameter("email", NpgsqlDbType.Varchar));
NpgsqlCMD.Parameters.Add(new NpgsqlParameter("association", NpgsqlDbType.Varchar));
NpgsqlCMD.Parameters.Add(new NpgsqlParameter("dept", NpgsqlDbType.Varchar));
NpgsqlCMD.Parameters[0].Value = a.LastName;
NpgsqlCMD.Parameters[1].Value = a.FirstName;
NpgsqlCMD.Parameters[2].Value = a.MI;
NpgsqlCMD.Parameters[3].Value = a.Email;
NpgsqlCMD.Parameters[4].Value = a.Association;
NpgsqlCMD.Parameters[5].Value = a.Department;
if(GlobalVariables.GlobalConnection.insertData(NpgsqlCMD))
MessageBox.Show("Author record has been inserted.", "Author Inserted", MessageBoxButtons.OK, MessageBoxIcon.Information);
else
MessageBox.Show("Author record has not been inserted.", "Author Not Inserted", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
public void updateRecord(Author a)
{
NpgsqlCMD = new NpgsqlCommand();
NpgsqlCMD.CommandText = @"Update AUTHORS
Set AUTHOR_LNAME = :lname,
AUTHOR_FNAME = :fname,
AUTHOR_MNAME = :mi,
AUTHOR_EMAIL = :email,
AUTHOR_ASSOC = :association,
AUTHOR_DEPT = :dept
Where AUTHOR_ID = :authID";
NpgsqlCMD.Parameters.Add(new NpgsqlParameter(":lname", NpgsqlDbType.Varchar));
NpgsqlCMD.Parameters.Add(new NpgsqlParameter(":fname", NpgsqlDbType.Varchar));
NpgsqlCMD.Parameters.Add(new NpgsqlParameter("mi", NpgsqlDbType.Varchar));
NpgsqlCMD.Parameters.Add(new NpgsqlParameter("email", NpgsqlDbType.Varchar));
NpgsqlCMD.Parameters.Add(new NpgsqlParameter("association", NpgsqlDbType.Varchar));
NpgsqlCMD.Parameters.Add(new NpgsqlParameter("dept", NpgsqlDbType.Varchar));
NpgsqlCMD.Parameters.Add(new NpgsqlParameter("authID", NpgsqlDbType.Integer));
NpgsqlCMD.Parameters[0].Value = a.LastName;
NpgsqlCMD.Parameters[1].Value = a.FirstName;
NpgsqlCMD.Parameters[2].Value = a.MI;
NpgsqlCMD.Parameters[3].Value = a.Email;
NpgsqlCMD.Parameters[4].Value = a.Association;
NpgsqlCMD.Parameters[5].Value = a.Department;
NpgsqlCMD.Parameters[6].Value = a.ID;
if(GlobalVariables.GlobalConnection.updateData(NpgsqlCMD))
MessageBox.Show("Author record has been updated.", "Author Updated", MessageBoxButtons.OK, MessageBoxIcon.Information);
else
MessageBox.Show("Author record has not been inserted.", "Author Not Updated", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
private void btnSave_Click(object sender, EventArgs e)
{
Author rec = new Author();
rec.LastName = cbLName.Text;
rec.FirstName = txtFName.Text;
rec.MI = txtMI.Text;
rec.Department = txtDept.Text;
rec.Email = txtEmail.Text;
rec.Association = txtAff.Text;
if (bIsEdit)
{
rec.ID = Convert.ToInt32(cbLName.SelectedValue);
_authors.updateRecord(rec);
}
else
_authors.insertRecord(rec);
txtFName.Enabled = false;
txtMI.Enabled = false;
txtEmail.Enabled = false;
txtAff.Enabled = false;
txtDept.Enabled = false;
cbLName.DropDownStyle = ComboBoxStyle.DropDownList;
SetAuthors();
int id = cbLName.Items.Count - 1;
cbLName.SelectedIndex = id;
btnNew.Enabled = true;
btnEdit.Enabled = true;
btnDel.Enabled = true;
btnTakePic.Enabled = true;
btnDelPic.Enabled = true;
btnSave.Enabled = false;
bHasChanged = true;
}
