//deletes selected supplier in DB, updates dgv
private void btnDelete_Click(object sender, EventArgs e)
{
try
{
Supplier selectedSupplier = null;
foreach (DataGridViewRow row in dgvSuppliers.SelectedRows)
{
selectedSupplier = new Supplier(Convert.ToInt32(row.Cells[0].Value.ToString()),
row.Cells[1].Value.ToString());
string message = "Are you sure you want to delete " +
selectedSupplier.SupName +
" ?";
DialogResult button = MessageBox.Show(message, "Confirm Delete",
MessageBoxButtons.YesNo);
if (button == DialogResult.Yes)
{
SupplierDB.DeleteSupplier(selectedSupplier);
suppliers = SupplierDB.GetAllSuppliers();
UpdateBinding();
txtSuppName.Clear();
}
}
}
catch (Exception ex)
{
//MessageBox.Show(ex.Message, ex.GetType().ToString());
MessageBox.Show("Deleting this supplier will cause you to lose a record in your booking history. \nThe delete action has been suspended. \nPlease contact DBA.");
}
}
//opens AddSupplier form, receives newly added suppliers, inserts to DB and updates dgv, scrolls down to latest new supplier added
private void btnAdd_Click(object sender, EventArgs e)
{
frmAddSuppliers newForm = new frmAddSuppliers();
List <Supplier> newSuppliers = newForm.GetNewSuppliers();
try
{
if (newSuppliers != null)
{
foreach (Supplier ns in newSuppliers)
{
SupplierDB.InsertSupplier(ns);
}
}
suppliers = SupplierDB.GetAllSuppliers();
UpdateBinding();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, ex.GetType().ToString());
}
txtSuppName.Clear();
//select on the last row of the list
dgvSuppliers.ClearSelection();
int rowIndex = dgvSuppliers.Rows.Count - 1;
dgvSuppliers.Rows[rowIndex].Selected = true;
//scroll down as well
dgvSuppliers.FirstDisplayedScrollingRowIndex = rowIndex;
}
private void btnClear_Click(object sender, EventArgs e)
{
try
{
suppliers = SupplierDB.GetAllSuppliers();//call function to get all suppliers
UpdateBinding();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, ex.GetType().ToString());//show exception if there any
}
txtSName.Clear();//for clear textBox
txtSName.Select();
}
//resets everything to default
private void btnClear_Click(object sender, EventArgs e)
{
try
{
suppliers = SupplierDB.GetAllSuppliers();
UpdateBinding();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, ex.GetType().ToString());
}
txtSuppName.Clear();
txtSuppName.Select();
}
//opens EditSupplier form, receives edited supplier, updates DB, selects edited supplier in dgv
private void btnEdit_Click(object sender, EventArgs e)
{
Supplier editedSupplier = null;
Supplier newSupplier = null;
foreach (DataGridViewRow row in dgvSuppliers.SelectedRows)
{
editedSupplier = new Supplier(Convert.ToInt32(row.Cells[0].Value.ToString()),
row.Cells[1].Value.ToString());
}
frmEditSupplier newForm = new frmEditSupplier();
//this.Hide();
newSupplier = newForm.GetEditSupplier(editedSupplier);
//this.Show();
try
{
SupplierDB.UpdateSupplier(editedSupplier, newSupplier);
suppliers = SupplierDB.GetAllSuppliers();
UpdateBinding();
txtSuppName.Clear();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, ex.GetType().ToString());
}
//set the modified row to be selected
dgvSuppliers.ClearSelection();
int rowIndex = -1;
foreach (DataGridViewRow row in dgvSuppliers.Rows)
{
if (row.Cells[0].Value.ToString().Equals(editedSupplier.SupplierId.ToString()))
{
rowIndex = row.Index;
break;
}
}
dgvSuppliers.Rows[rowIndex].Selected = true;
dgvSuppliers.FirstDisplayedScrollingRowIndex = rowIndex;
}
private void txtSName_TextChanged(object sender, EventArgs e)
{
try
{
if (txtSName.Text != "") //check if text s name empty
{
suppliers = SupplierDB.GetSuppliersByName(txtSName.Text); //function call to GetSupplierByName
UpdateBinding();
}
else
{
suppliers = SupplierDB.GetAllSuppliers();//function calls to GetAllSuppliers
UpdateBinding();
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, ex.GetType().ToString());//show exception if there any
}
}
private void SupplierForm_Load(object sender, EventArgs e)
{
this.ControlBox = false;
this.MaximizeBox = false;
this.MinimizeBox = false;
try
{
// load the products table data
suppliers = SupplierDB.GetAllSuppliers();
UpdateBinding();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, ex.GetType().ToString());
}
SuppliersListFormat(dgvSuppliers);
frmProduct.ProductListFormat(dgvProducts);
txtSuppName.Select();
}