private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)
{
int id = Int32.Parse(comboBox1.SelectedItem.ToString());
DataManager.product details = db.getProductById(id);
textBox1.Text = details.name;
textBox2.Text = details.des;
textBox3.Text = details.price.ToString();
imageByte = details.image;
MemoryStream imageBlob = new MemoryStream(imageByte);
pictureBox1.Image = Image.FromStream(imageBlob);
pictureBox1.SizeMode = PictureBoxSizeMode.StretchImage;
}
private void button3_Click(object sender, EventArgs e)
{
label3.Visible = false;
if (comboBox1.SelectedItem == null)
{
return;
}
int qun = 0;
if (!Int32.TryParse(textBox1.Text, out qun) || qun == 0)
{
label3.Visible = true;
return;
}
DataManager.product selected = new DataManager.product();
foreach (DataManager.product temp in products)
{
if (temp.name.Equals(comboBox1.SelectedItem.ToString()))
{
selected = temp;
break;
}
}
float totalPrice = qun * selected.price;
int imageIndex = 0;
foreach (List <int> tempIndex in mapImages)
{
if (tempIndex[0] == selected.id)
{
imageIndex = tempIndex[1];
}
}
string[] items = new string[5];
items[0] = selected.id.ToString();
items[1] = selected.name;
items[2] = selected.price.ToString();
items[3] = textBox1.Text;
items[4] = totalPrice.ToString();
ListViewItem lvi = new ListViewItem(items);
lvi.ImageIndex = imageIndex;
listView1.Items.Add(lvi);
calculatePayment();
}
public DataManager.product getProductById(int id)
{
DataManager.product retVal = new DataManager.product();
conn.Open();
string sql = "SELECT * FROM product WHERE id='" + id + "'";
SQLiteCommand sqCommand = new SQLiteCommand(sql, conn);
SQLiteDataReader sqReader = sqCommand.ExecuteReader();
if (sqReader.Read())
{
retVal.id = id;
retVal.name = sqReader.GetString(1);
retVal.des = sqReader.GetString(2);
retVal.price = sqReader.GetFloat(3);
retVal.image = (byte[])sqReader.GetValue(4);
}
sqReader.Close();
conn.Close();
return(retVal);
}
public List <DataManager.product> getAllProducts()
{
List <DataManager.product> retVal = new List <DataManager.product>();
conn.Open();
string sql = "SELECT * FROM product";
SQLiteCommand sqCommand = new SQLiteCommand(sql, conn);
SQLiteDataReader sqReader = sqCommand.ExecuteReader();
while (sqReader.Read())
{
DataManager.product temp = new DataManager.product();
temp.id = sqReader.GetInt32(0);
temp.name = sqReader.GetString(1);
temp.des = sqReader.GetString(2);
temp.price = sqReader.GetFloat(3);
temp.image = (byte[])sqReader.GetValue(4);
retVal.Add(temp);
}
sqReader.Close();
conn.Close();
return(retVal);
}
private void listView1_SelectedIndexChanged(object sender, EventArgs e)
{
listView2.Items.Clear();
textBox2.Text = textBox1.Text = textBox4.Text = "0";
ListViewItem lvi;
try
{
lvi = listView1.SelectedItems[0];
}
catch (Exception)
{
return;
}
int saleId = Int32.Parse(lvi.SubItems[0].Text);
textBox1.Text = lvi.SubItems[3].Text;
textBox2.Text = lvi.SubItems[2].Text;
textBox4.Text = lvi.SubItems[4].Text;
List <DataManager.saleDetails> saleDetail = new List <DataManager.saleDetails>();
foreach (DataManager.sale tempSale in sales)
{
if (tempSale.id == saleId)
{
saleDetail = tempSale.det;
break;
}
}
foreach (DataManager.saleDetails tempSaleDetail in saleDetail)
{
DataManager.product selected = new DataManager.product();
foreach (DataManager.product temp in products)
{
if (temp.id == tempSaleDetail.itemId)
{
selected = temp;
break;
}
}
float totalPrice = tempSaleDetail.qun * selected.price;
int imageIndex = 0;
foreach (List <int> tempIndex in mapImages)
{
if (tempIndex[0] == selected.id)
{
imageIndex = tempIndex[1];
}
}
string[] items = new string[5];
items[0] = selected.id.ToString();
items[1] = selected.name;
items[2] = selected.price.ToString();
items[3] = tempSaleDetail.qun.ToString();
items[4] = totalPrice.ToString();
ListViewItem lvi2 = new ListViewItem(items);
lvi2.ImageIndex = imageIndex;
listView2.Items.Add(lvi2);
}
}
