There are two types of confidence, external and internal. The external confidence helps us to attract other people for diverting them to desired goal. On the other hand internal confidence is feeling of inner self which reflects in our faces. If you feel that you are hope less, image will come to your body and face and cannot be attracted by others.
When you will feel that things will be solved, no problem, confidence will come easily.Confidence starts from believing of yourself.
You can gain confidence by feeling of trust and firm belief in yourself.