Which statement best describes the operation of the following code?
if (IsPostBack) ddlProducts.DataBind(); a. If the page is being requested for the first time, bind a drop-down list to a data source. b. If the page isn't being requested for the first time, binda drop-down list to a data source. c. If the page is being requested for the first time, bind a data source to a drop-down list. d. If the page isn't being requested for the first time, bind a data source to a drop-down list.