Object cannot be cast from DBNull to other types.

[maiqxx]

System.InvalidCastException
HResult=0x80004002
Message=Object cannot be cast from DBNull to other types.
Source=mscorlib
StackTrace:
at System.DBNull.System.IConvertible.ToDouble(IFormatProvider provider)
at System.Convert.ToDouble(Object value)
at Carinderia_Kiosk_System.Customer.MenuBoard.TotalAmount() in C:\Users\Jamaica\source\repos\Carinderia-Kiosk-System\Carinderia-Kiosk-System\Customer\MenuBoard.cs:line 225
at Carinderia_Kiosk_System.Customer.MenuBoard.GetOrderList() in C:\Users\Jamaica\source\repos\Carinderia-Kiosk-System\Carinderia-Kiosk-System\Customer\MenuBoard.cs:line 315
at Carinderia_Kiosk_System.Customer.MenuBoard.MenuBoard_Load(Object sender, EventArgs e) in C:\Users\Jamaica\source\repos\Carinderia-Kiosk-System\Carinderia-Kiosk-System\Customer\MenuBoard.cs:line 41
at System.Windows.Forms.Form.OnLoad(EventArgs e)
at System.Windows.Forms.Form.OnCreateControl()
at System.Windows.Forms.Control.CreateControl(Boolean fIgnoreVisible)
at System.Windows.Forms.Control.CreateControl()
at System.Windows.Forms.Control.WmShowWindow(Message& m)
at System.Windows.Forms.Control.WndProc(Message& m)
at System.Windows.Forms.ScrollableControl.WndProc(Message& m)
at System.Windows.Forms.Form.WmShowWindow(Message& m)
at System.Windows.Forms.Form.WndProc(Message& m)
at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)
at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)
at System.Windows.Forms.NativeWindow.DebuggableCallback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)

[maiqxx]

@khyle17 @Xe12la baka naman😭