private void button2_Click(object sender, EventArgs e)
{
var inForm = new ListandSearch();
inForm.Show();
Close();
}
private void btnClose_Click(object sender, EventArgs e)
{
Close();
ListandSearch listandSearch = new ListandSearch();
listandSearch.Show();
}
private void button2_Click(object sender, EventArgs e)
{
if (dataGridView1.SelectedRows.Count != 0)
{
var result = MessageBox.Show("Do you want to delete this product?", "Delete Product",
MessageBoxButtons.YesNo, MessageBoxIcon.Question);
if (result == DialogResult.Yes)
{
var row = dataGridView1.SelectedRows[0];
var id = row.Cells["Id"].Value.ToString();
var oleDbConnection = new OleDbConnection(Global.connString);
var update = new OleDbCommand("DELETE FROM Stock WHERE ID = " + id + "", oleDbConnection);
oleDbConnection.Open();
update.ExecuteNonQuery();
oleDbConnection.Close();
oleDbConnection.Open();
var adapt = new OleDbDataAdapter($@"SELECT * FROM Stock WHERE Product LIKE '%{txtSearch.Text}%'",
oleDbConnection);
var dt = new DataTable();
adapt.Fill(dt);
dataGridView1.DataSource = dt;
oleDbConnection.Close();
var list = new ListandSearch();
Close();
list.Show();
}
}
}
private void listProductsToolStripMenuItem_Click(object sender, EventArgs e)
{
var listfrm = new ListandSearch();
listfrm.MdiParent = this;
listfrm.StartPosition = FormStartPosition.CenterScreen;
listfrm.Show();
}
private void btnUpdate_Click(object sender, EventArgs e)
{
if (txtProductName.Text != "" && txtCost.Text != "" && txtCategory.Text != "" && txtQuantity.Text != "")
{
Product = txtProductName.Text;
Cost = double.Parse(txtCost.Text.Replace('.', ','));
Quantity = int.Parse(txtQuantity.Text);
Category = txtCategory.Text;
UpdateProduct(); // roep die method hier
Close();
ListandSearch listandSearch = new ListandSearch();
listandSearch.Show();
}
else
{
MessageBox.Show("Please enter values into all field", "Missing Entry", MessageBoxButtons.OK,
MessageBoxIcon.Error);
}
}
private void button1_Click(object sender, EventArgs e)
{
if (!Validation.ProductName(txtProduct.Text))
{
lblProduct.ForeColor = Color.Red;
}
else
{
lblProduct.ForeColor = Color.Black;
}
if (!Validation.Cost(txtCost.Text))
{
lblCost.ForeColor = Color.Red;
}
else
{
lblCost.ForeColor = Color.Black;
}
if (!Validation.Quantity(txtQuantity.Text))
{
lblQuantity.ForeColor = Color.Red;
}
else
{
lblQuantity.ForeColor = Color.Black;
}
if (!Validation.CategoryName(txtCategory.Text))
{
lblCategory.ForeColor = Color.Red;
}
else
{
lblCategory.ForeColor = Color.Black;
}
if (Validation.ProductName(txtProduct.Text) && Validation.Cost(txtCost.Text) &&
Validation.Quantity(txtQuantity.Text) &&
Validation.CategoryName(txtCategory.Text))
{
if (Validation.Cost(txtCost.Text) && Validation.Quantity(txtQuantity.Text))
{
insProduct = txtProduct.Text;
insQuantity = Convert.ToInt16(txtQuantity.Text);
insCategory = txtCategory.Text;
double insCost = Convert.ToDouble(txtCost.Text.Replace('.', ','));
var oleDbConnection = new OleDbConnection(Global.connString);
oleDbConnection.Open();
var insert = new OleDbCommand(
@"Insert Into Stock(Product,Cost,Quantity,Category)Values('" + insProduct + "','" +
insCost + "'," + insQuantity + ",'" + insCategory + "')",
oleDbConnection);
insert.ExecuteNonQuery();
MessageBox.Show("Data inserted successfully", "Database Update", MessageBoxButtons.OK,
MessageBoxIcon.Exclamation);
oleDbConnection.Close();
var list = new ListandSearch();
Close();
list.Show();
}
else
{
MessageBox.Show("Invalid field", "Invalid Fields", MessageBoxButtons.OK, MessageBoxIcon.Error);
txtCost.Clear();
txtQuantity.Clear();
txtCost.Focus();
}
}
else
{
MessageBox.Show("Invalid fields", "Invalid Fields", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
