使用JQuery Ajax调用将记录插入数据库不起作用

Friends, I'm new to this jQuery ajax call. I want to insert data to database without postback. currently it's working with postback, please find the bug and help. here i have used jQuery ajax call, in this I'm getting data and pass it to the webservice for inserting the records in background without postback but it will get postback and inserting the records.Friends, I'm new to this jQuery ajax call. I wa