How can I set a fixed size image?

Question

Hi friends,
  suppose I enter some data in the textboxes and upload an image in application then click the insert button, I want that all these data are stored in the SQL database( which I completed) I want that all these data are come in the next web form when in which the size of the image is fixed, (means however the the image size is large or small but it can displayed in the fixed size box). how can its possible. Please help me out. Thanx