*there was a conflict between null and "" in clear method. so changed all of them to ""
*get all previous reports if relevant fields are not filled
*if no such name when search by name generate warning
*removed case sensitivity in searching (part of name) - this did not work (When search for "Vith", couldnot get the result "vithana")
*tabindex corrected
*added the option search by severity
*set the default selected value as "No significant" (If this will be changed, have to change the program too)
* warnings when change the reference no (editing) - no cant edit reference no
* delete entries in edit mode
* error label in list view - now, when print is called in preview mode, save is not called