get the index of the first item on the page as dictated by the page size and page number . concode_field_sep int sortorder concode_elem_sep Serializable metaData concode_elem_sep int SORT_ASC concode_elem_sep int SORT_UNSORTED concode_elem_sep int pagenum concode_elem_sep int pagesize concode_elem_sep int SIZE_UNLIMITED concode_elem_sep int sortattribute concode_elem_sep int SORT_DESC concode_field_sep int getSortattribute concode_elem_sep boolean isDescending concode_elem_sep void setSortattribute concode_elem_sep int getPagesize concode_elem_sep void setSortorder concode_elem_sep PageControl initDefaults concode_elem_sep int getPagenum concode_elem_sep void setPagesize concode_elem_sep void setPagenum concode_elem_sep int getSortorder concode_elem_sep Object clone concode_elem_sep String toString concode_elem_sep boolean isAscending concode_elem_sep Serializable getMetaData concode_elem_sep void getMetaData
int function ( ) { return this . pagenum * this . pagesize ; }