//function that sets the form to the information of the selected primary key
private void BindData(int menuItemID)
{
//if the class if doesn't equal -1, set the page up as an update
if (menuItemID != -1)
{
//make the button say
btnAddUpdate.Text = "Update";
//instantiate a new class of the form type, passing in the routeData primary
se256_Dobachesky.MenuItem aItem = new se256_Dobachesky.MenuItem(menuItemID);
//if the data exists, fill the form with it's information
if (aItem != null)
{
txtName.Text = aItem.item_name;
txtDescription.Text = aItem.item_desc;
txtAllergens.Text = aItem.item_allergens;
txtPrice.Text = aItem.item_price.ToString();
ddlCategory.SelectedValue = aItem.cat_id.ToString();
ddlMenu.SelectedValue = aItem.menu_id.ToString();
chkGlutenFree.Checked = aItem.item_gluten_free;
chkIsActive.Checked = aItem.item_active;
}
}
//if the class does equal -1, set the form up as an add
else
{
btnAddUpdate.Text = "Add";
}
}
protected void btnAddUpdate_Click(object sender, EventArgs e)
{
//instantiate a new class
se256_Dobachesky.MenuItem aMenuItem;
//if the routedata information exists, finish the class by passing in the primary key id
if (RouteData.Values["menuItemId"] != null)
{
aMenuItem = new se256_Dobachesky.MenuItem(Convert.ToInt32(RouteData.Values["menuItemId"].ToString()));
}
//if the routedata information does not exist, finish the class with a blank class
else
{
aMenuItem = new se256_Dobachesky.MenuItem();
}
//set the object's properties to be equal to the information on the form
aMenuItem.menu_id = Convert.ToInt32(ddlMenu.SelectedValue.Trim());
aMenuItem.cat_id = Convert.ToInt32(ddlCategory.SelectedValue.Trim());
aMenuItem.item_name = txtName.Text.Trim();
aMenuItem.item_desc = txtDescription.Text.Trim();
aMenuItem.item_allergens = txtAllergens.Text.Trim();
aMenuItem.item_price = Convert.ToDecimal(txtPrice.Text.Trim().ToString());
aMenuItem.item_gluten_free = Convert.ToBoolean(chkGlutenFree.Checked.ToString());
aMenuItem.item_active = Convert.ToBoolean(chkIsActive.Checked.ToString());
//if the primary key exists go forward with the update
if (aMenuItem.item_id > 0)
{
//run the update method, and if it fails display an error message in a label
if (se256_Dobachesky.MenuItem.UpdateItem(aMenuItem))
{
Response.Redirect("/Admin/Menu-Items");
}
else
{
lblMessage.Text = "Menu item update failed!";
}
}
//if the primary key does not exist it is because the record does not exist yet, go forward with the add
else
{
//run the insert method, and if it fails display an error message in a label
if (se256_Dobachesky.MenuItem.InsertItem(aMenuItem))
{
Response.Redirect("/Admin/Menu-Items");
}
else
{
lblMessage.Text = "Menu item insert failed!";
}
}
}
public static bool UpdateItem(se256_Dobachesky.MenuItem aItem)
{
//start out with the boolean value at false
bool blnSuccess = false;
//create sql connection object that gets connection string from web.config
SqlConnection conn = new SqlConnection(ConfigurationManager.ConnectionStrings["SE256_CS"].ConnectionString);
//create sql command as stored procedure
SqlCommand cmd = new SqlCommand("menu_items_update", conn);
//set the command as a stored procedure
cmd.CommandType = CommandType.StoredProcedure;
//add the parameters to be used in the update method
cmd.Parameters.Add("@item_id", SqlDbType.Int).Value = aItem.item_id;
cmd.Parameters.Add("@menu_id", SqlDbType.Int).Value = aItem.menu_id;
cmd.Parameters.Add("@cat_id", SqlDbType.Int).Value = aItem.cat_id;
cmd.Parameters.Add("@item_name", SqlDbType.VarChar).Value = aItem.item_name;
cmd.Parameters.Add("@item_desc", SqlDbType.VarChar).Value = aItem.item_desc;
cmd.Parameters.Add("@item_allergens", SqlDbType.VarChar).Value = aItem.item_allergens;
cmd.Parameters.Add("@item_price", SqlDbType.Decimal).Value = aItem.item_price;
cmd.Parameters.Add("@item_gluten_free", SqlDbType.Bit).Value = aItem.item_gluten_free;
cmd.Parameters.Add("@item_active", SqlDbType.Bit).Value = aItem.item_active;
//try to open the connection and run the command, then set the boolean value to true
try
{
conn.Open();
cmd.ExecuteNonQuery();
blnSuccess = true;
}
//prepare the error as a string and set boolean value to false
catch (Exception e)
{
e.ToString();
blnSuccess = false;
}
//close the connection
finally
{
conn.Close();
}
//return the boolean containing information as to of if the operation was a success or not
return(blnSuccess);
}
