You can replace this:
'INSERT INTO ' + FTableName + '(TITLE, AUTHOR, COUNT, FIGURE) VALUES(''How To Solve It'',''George Polya'',9,null)'
by this:
'INSERT INTO ' + FTableName + '(TITLE, AUTHOR, COUNT, FIGURE) VALUES('''+EditText1.Text+''','''+EditText2.Text+''','+EditText3.Text+',null)');
About jGridView, please, see demos: "AppGridViewDemo1" and "AppGridViewDemo2"