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need to check duplicate item in my table before insert date .But i am getting error while checking.Here is my code.I need to check whether the element already exist then return false If not then return true.And create a new entry

 function validationField() {
      db.transaction(getallTableCntend, errorCB);
    }
 
    function getallTableCntend(tx) {
        tx.executeSql('SELECT * FROM CaseTable', [], queryexcecute, errorCB);
    }
    function queryexcecute(tx, result) {
        var len = result.rows.length;
 
        for (var i = 0; i < len; i++) {
          if(result.rows.item(i).CaseName ==$('.caseName_h').val()){
            alert("Folder is already Exit.");
            isvalid=false;
            Break;
            return;;
          }
        }
       }

I am calling this like this.
$(document).on('click', '#AddButton', function() {
     isvalid = validationField();
    if (isvalid) {
            insertData();
            window.requestFileSystem(LocalFileSystem.PERSISTENT, 0, onFileSystemSuccess, onFileSystemFail);
    }
});
Posted 12-Jul-13 9:47am
Edited 12-Jul-13 9:55am
(no name)88.6K
v2

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