//Define a method that load the combo box with existing food type
private void frmAddFoodItem_Load(object sender, EventArgs e)
{
txtNextItemId.Text = FoodItems.nextItemId().ToString();
//load food type combo box with food types and description
DataSet ds = new DataSet();
ds = FoodTypes.getAllFoodType(ds);
for (int i = 0; i < ds.Tables["ss"].Rows.Count; i++)
{
cboAddFoodItemType.Items.Add(ds.Tables[0].Rows[i][0].ToString().PadLeft(2) + " : " + ds.Tables[0].Rows[i][1].ToString());
}
}
private void btnAddFoodItemSubmit_Click(object sender, EventArgs e)
{
bool allCorrect = true;
//validate data
if (txtAddFoodItem.Text.Equals(""))
{
MessageBox.Show("Food Item name must be entered", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
allCorrect = false;
}
else if (txtAddFoodItemDesc.Text.Equals(""))
{
MessageBox.Show("Food item description must be entered", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
allCorrect = false;
}
else if (txtAddFoodItem.Text.Length > 15)
{
MessageBox.Show("Food items name must shorter than 15", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else if (txtAddFoodItemDesc.Text.Length > 30)
{
MessageBox.Show("Food item description must lower or equal than 30", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
allCorrect = false;
}
else if (cboAddFoodItemType.SelectedItem == null)
{
MessageBox.Show("Food item type must be entered", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
allCorrect = false;
}
else if (txtAddFoodItemPrice.Text.Equals(""))
{
MessageBox.Show("Food item price must be entered", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
allCorrect = false;
}
else if (cboAddFoodItemStatus.SelectedItem == null)
{
MessageBox.Show("Food item status must be entered", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
allCorrect = false;
}
else if (txtAddFoodItemPrice.Value < 0)
{
MessageBox.Show("Food item price must greater than 0");
allCorrect = false;
}
if (allCorrect == true)
{
//save food item details into food item object
FoodItems fooditem = new FoodItems(Convert.ToInt32(txtNextItemId.Text), txtAddFoodItem.Text, txtAddFoodItemDesc.Text, cboAddFoodItemType.Text.Substring(1, 1), Convert.ToDecimal(txtAddFoodItemPrice.Value), cboAddFoodItemStatus.Text.Substring(0, 1));
fooditem.addFoodItem();
//display successful message
MessageBox.Show("Food item added successfully!");
//update itemId??
txtNextItemId.Text = FoodItems.nextItemId().ToString();
//clear all textbox
txtAddFoodItem.Clear();
txtAddFoodItemDesc.Clear();
txtAddFoodItemPrice.ResetText();
cboAddFoodItemStatus.SelectedIndex = -1;
cboAddFoodItemType.SelectedIndex = -1;
}
//display confirmation message
//save food item details
//clear the ui
}
