I am developing an android drag and drop game..I have a dynamic textfield name score1. when I use the command trace the score calculates correctly according to its calculation formula..but when i want to display it to the textfield it don't appear..can anyone help me?

Code:
stop();
import flash.text.TextFormat;
import flash.text.TextField;

//Score
var score:Number=0;



btn_nextCO1.addEventListener(MouseEvent.CLICK, fl_ClickToGoToAndPlayFromFrame);

function fl_ClickToGoToAndPlayFromFrame(event:MouseEvent):void
{
	item1_mc.visible=false;
		item2_mc.visible=false;
		item3_mc.visible=false;
		item4_mc.visible=false;
		item5_mc.visible=false;
		item6_mc.visible=false;
		item7_mc.visible=false;
		item8_mc.visible=false;
		item9_mc.visible=false;
	gotoAndPlay(345);
}



import flash.events.MouseEvent;
import flash.display.MovieClip;
import flash.text.TextFormat;

//right_mc.visible=false;
//wrong_mc.visible=false;

var orig1X:Number=item1_mc.x;
var orig1Y:Number=item1_mc.y;
var orig2X:Number=item2_mc.x;
var orig2Y:Number=item2_mc.y;
var orig3X:Number=item3_mc.x;
var orig3Y:Number=item3_mc.y;
var orig4X:Number=item4_mc.x;
var orig4Y:Number=item4_mc.y;
var orig5X:Number=item5_mc.x;
var orig5Y:Number=item5_mc.y;
var orig6X:Number=item6_mc.x;
var orig6Y:Number=item6_mc.y;
var orig7X:Number=item7_mc.x;
var orig7Y:Number=item7_mc.y;
var orig8X:Number=item8_mc.x;
var orig8Y:Number=item8_mc.y;
var orig9X:Number=item9_mc.x;
var orig9Y:Number=item9_mc.y;

item1_mc.addEventListener(MouseEvent.MOUSE_DOWN, dragTheObject);
item1_mc.addEventListener(MouseEvent.MOUSE_UP, item1Release);
item2_mc.addEventListener(MouseEvent.MOUSE_DOWN, dragTheObject);   
item2_mc.addEventListener(MouseEvent.MOUSE_UP, item2Release);   
item3_mc.addEventListener(MouseEvent.MOUSE_DOWN, dragTheObject);    
item3_mc.addEventListener(MouseEvent.MOUSE_UP, item3Release);    
item4_mc.addEventListener(MouseEvent.MOUSE_DOWN, dragTheObject);    
item4_mc.addEventListener(MouseEvent.MOUSE_UP, item4Release);
item5_mc.addEventListener(MouseEvent.MOUSE_DOWN, dragTheObject);    
item5_mc.addEventListener(MouseEvent.MOUSE_UP, item5Release);
item6_mc.addEventListener(MouseEvent.MOUSE_DOWN, dragTheObject);    
item6_mc.addEventListener(MouseEvent.MOUSE_UP, item6Release);
item7_mc.addEventListener(MouseEvent.MOUSE_DOWN, dragTheObject);    
item7_mc.addEventListener(MouseEvent.MOUSE_UP, item7Release);
item8_mc.addEventListener(MouseEvent.MOUSE_DOWN, dragTheObject);    
item8_mc.addEventListener(MouseEvent.MOUSE_UP, item8Release);
item9_mc.addEventListener(MouseEvent.MOUSE_DOWN, dragTheObject);    
item9_mc.addEventListener(MouseEvent.MOUSE_UP, item9Release);


done_btn.addEventListener(MouseEvent.CLICK, checkAnswers);
reset_btn.addEventListener(MouseEvent.MOUSE_UP,reset);

item1_mc.buttonMode=true;
item2_mc.buttonMode=true;
item3_mc.buttonMode=true;
item4_mc.buttonMode=true;
item5_mc.buttonMode=true;
item6_mc.buttonMode=true;
item7_mc.buttonMode=true;
item8_mc.buttonMode=true;
item9_mc.buttonMode=true;

function dragTheObject(event:MouseEvent):void
{
	var item:MovieClip=MovieClip(event.target);
	item.startDrag();
	var topPos:uint=this.numChildren-1;
	this.setChildIndex(item,topPos);
}

function item1Release(event:MouseEvent):void
{
	var item:MovieClip=MovieClip(event.target);
	item.stopDrag();
	if (dropZone1_mc.hitTestPoint(item.x,item.y))
	{
		item.x=dropZone1_mc.x;
		item.y=dropZone1_mc.y;
		score+=10;
		//score1.text=String(score);
		score1.text=""+score.toString();
		trace(score);
	}
	else
	{
		item.x=orig1X;
		item.y=orig1Y;
		score-=10;
		score1.text=""+score.toString();
		trace(score);
	}
};

function item2Release(event:MouseEvent):void { 
    var item:MovieClip=MovieClip(event.target); 
    item.stopDrag();   
    if (dropZone2_mc.hitTestPoint(item.x,item.y)) { 
        item.x=dropZone2_mc.x; 
        item.y=dropZone2_mc.y; 
		score+=10;
		score1.text=""+score.toString();
		trace(score);
    } else { 
        item.x=orig2X; 
        item.y=orig2Y; 
		score-=10;
		score1.text=""+score.toString();
		trace(score);
    } 
};    

function item3Release(event:MouseEvent):void { 
    var item:MovieClip=MovieClip(event.target); 
    item.stopDrag();   
    if (dropZone3_mc.hitTestPoint(item.x,item.y)) { 
        item.x=dropZone3_mc.x; 
        item.y=dropZone3_mc.y; 
		score+=10;
		score1.text=""+score.toString();
		trace(score);
    } else { 
        item.x=orig3X; 
        item.y=orig3Y; 
		score-=10;
		score1.text=""+score.toString();
		trace(score);
    } 
}; 

function item4Release(event:MouseEvent):void { 
    var item:MovieClip=MovieClip(event.target); 
    item.stopDrag();   
    if (dropZone4_mc.hitTestPoint(item.x,item.y)) { 
        item.x=dropZone4_mc.x; 
        item.y=dropZone4_mc.y; 
		score+=10;
		score1.text=""+score.toString();
		trace(score);
    } else { 
        item.x=orig4X; 
        item.y=orig4Y; 
		score-=10;
		score1.text=""+score.toString();
		trace(score);
    } 
};

function item5Release(event:MouseEvent):void { 
    var item:MovieClip=MovieClip(event.target); 
    item.stopDrag();   
    if (dropZone5_mc.hitTestPoint(item.x,item.y)) { 
        item.x=dropZone5_mc.x; 
        item.y=dropZone5_mc.y; 
		score+=10;
		score1.text=""+score.toString();
		trace(score);
    } else { 
        item.x=orig5X; 
        item.y=orig5Y;
		score-=10;
		score1.text=""+score.toString();
		trace(score);
    } 
};


function item6Release(event:MouseEvent):void { 
    var item:MovieClip=MovieClip(event.target); 
    item.stopDrag();   
    if (dropZone6_mc.hitTestPoint(item.x,item.y)) { 
        item.x=dropZone6_mc.x; 
        item.y=dropZone6_mc.y; 
		score+=10;
		score1.text=""+score.toString();
		trace(score);
    } else { 
        item.x=orig6X; 
        item.y=orig6Y; 
		score-=10;
		score1.text=""+score.toString();
		trace(score);
    } 
};


function item7Release(event:MouseEvent):void { 
    var item:MovieClip=MovieClip(event.target); 
    item.stopDrag();   
    if (dropZone7_mc.hitTestPoint(item.x,item.y)) { 
        item.x=dropZone7_mc.x; 
        item.y=dropZone7_mc.y; 
		score+=10;
		score1.text=""+score.toString();
		trace(score);
    } else { 
        item.x=orig7X; 
        item.y=orig7Y;
		score-=10;
		score1.text=""+score.toString();
		trace(score);
    } 
};

function item8Release(event:MouseEvent):void { 
    var item:MovieClip=MovieClip(event.target); 
    item.stopDrag();   
    if (dropZone8_mc.hitTestPoint(item.x,item.y)) { 
        item.x=dropZone8_mc.x; 
        item.y=dropZone8_mc.y; 
		score+=10;
		score1.text=""+score.toString();
		trace(score);
    } else { 
        item.x=orig8X; 
        item.y=orig8Y; 
		score-=10;
		score1.text=""+score.toString();
		trace(score);
    } 
};

function item9Release(event:MouseEvent):void { 
    var item:MovieClip=MovieClip(event.target); 
    item.stopDrag();   
    if (dropZone9_mc.hitTestPoint(item.x,item.y)) { 
        item.x=dropZone9_mc.x; 
        item.y=dropZone9_mc.y; 
		score+=10;
		score1.text=""+score.toString();
		trace(score);
    } else { 
        item.x=orig9X; 
        item.y=orig9Y; 
		score-=10;
		score1.text=""+score.toString();
		trace(score);
    } 
};

function checkAnswers(event:MouseEvent):void { 
    if (dropZone1_mc.hitTestPoint(item1_mc.x,item1_mc.y) && 
            dropZone2_mc.hitTestPoint(item2_mc.x,item2_mc.y) && 
            dropZone3_mc.hitTestPoint(item3_mc.x,item3_mc.y)&&
			dropZone4_mc.hitTestPoint(item4_mc.x,item4_mc.y)&&
			dropZone5_mc.hitTestPoint(item5_mc.x,item5_mc.y)&&
			dropZone6_mc.hitTestPoint(item6_mc.x,item6_mc.y)&&
			dropZone7_mc.hitTestPoint(item7_mc.x,item7_mc.y)&&
			dropZone8_mc.hitTestPoint(item8_mc.x,item8_mc.y)&&
			dropZone9_mc.hitTestPoint(item9_mc.x,item9_mc.y)
			) {
       // wrong_mc.visible = false;
        //right_mc.visible = true;
		item1_mc.visible=false;
		item2_mc.visible=false;
		item3_mc.visible=false;
		item4_mc.visible=false;
		item5_mc.visible=false;
		item6_mc.visible=false;
		item7_mc.visible=false;
		item8_mc.visible=false;
		item9_mc.visible=false;
		gotoAndPlay(346);
    } else {
       // wrong_mc.visible = true;
        //right_mc.visible = false;
		item1_mc.visible=false;
		item2_mc.visible=false;
		item3_mc.visible=false;
		item4_mc.visible=false;
		item5_mc.visible=false;
		item6_mc.visible=false;
		item7_mc.visible=false;
		item8_mc.visible=false;
		item9_mc.visible=false;
		
		
		gotoAndPlay(346);
    }
}

function reset(event:MouseEvent):void { 
    item1_mc.x=orig1X; 
    item1_mc.y=orig1Y;     
    item2_mc.x=orig2X; 
    item2_mc.y=orig2Y;
    item3_mc.x=orig3X; 
    item3_mc.y=orig3Y; 
	item4_mc.x=orig4X; 
    item4_mc.y=orig4Y;
	item5_mc.x=orig5X; 
    item5_mc.y=orig5Y;
	item6_mc.x=orig6X; 
    item6_mc.y=orig6Y;
	item7_mc.x=orig7X; 
    item7_mc.y=orig7Y;
	item8_mc.x=orig8X; 
    item8_mc.y=orig8Y;
	item9_mc.x=orig9X; 
    item9_mc.y=orig9Y;
       
    //right_mc.visible=false; 
    //wrong_mc.visible=false;

	
};
/* Click to Go to Frame and Play
Clicking on the specified symbol instance moves the playhead to the specified frame in the timeline and continues playback from that frame.
Can be used on the main timeline or on movie clip timelines.

Instructions:
1. Replace the number 5 in the code below with the frame number you would like the playhead to move to when the symbol instance is clicked.
*/

btn_backO.addEventListener(MouseEvent.CLICK, fl_ClickToGoToAndPlayFromFrame_11);

function fl_ClickToGoToAndPlayFromFrame_11(event:MouseEvent):void
{
	item1_mc.visible=false;
		item2_mc.visible=false;
		item3_mc.visible=false;
		item4_mc.visible=false;
		item5_mc.visible=false;
		item6_mc.visible=false;
		item7_mc.visible=false;
		item8_mc.visible=false;
		item9_mc.visible=false;
	gotoAndPlay(325);
}