text: function getdata() {
  	// body...
  	var uid=document.getElementById("uid").value;
  
  
  	firebase.database().ref('uid/'+uid).once('value').then(function(snapshot){
  
  /*
  		var FirstName=snapshort.val().FirstName;
  		var LastName=snapshort.val().LastName;*/
  		var Address=snapshot.val().Address;
  		var Age=snapshot.val().Age;
  		
  		/*var BloodGroup=snapshort.val().BloodGroup;
  		var ContactNumber=snapshort.val().ContactNumber;
  		var newcontactRef=snapshort.val().newcontactRef;
  */
  
  
  		/*document.getElementById("FirstName").innerHTML=FirstName;
  		document.getElementById("LastName").innerHTML=LastName;	
  		*/
  		document.getElementById("Address").innerHTML=Address;
  		document.getElementById("Age").innerHTML=Age;
  		/*document.getElementById("BloodGroup").innerHTML=BloodGroup;
  		document.getElementById("ContactNumber").innerHTML=ContactNumber;
  		document.getElementById("newcontactRef").innerHTML=newcontactRef;
  */
  		
  		
  
  
  
  	})
  }