Example Method for Drag and Drop in ASP.NET

GUSSIE · #1 07-07-2009

Hello everyone, Hello, I want to learn the drag and drop implemention in Asp.net I trying to make drag and drop on asp.net but cannot Do so , I wanted to develop an application that should allow you classify photos via a drag and drop in ASP.NET. ,So Can you Tell me what tools should i used and what method should i use to implement to drag and Drop in Asp.net , please Help me Thanks in advance

Spyrus · #2 07-07-2009

Try with Javascript instead

Quote:

<html>
<head>

<script type="text/javascript">

//------------------------------------------------ ----------
/ /
/ / Function drag & drop
/ /
//------------------------------------------------ ----------
var drag;
var resizing;
var dragfromdive;
var controlx;
var controly;

drag function (object) (
dragfromdive = document.getElementById (object);
controlx = event.x + document.body.scrollLeft - dragfromdive.offsetLeft;
controly = event.y + document.body.scrollTop - dragfromdive.offsetTop;
dragfromdive.style.zIndex = 1999;
drag = true

function drop () (
if (drag == true)
(
dragfromdive.style.zIndex = 0;
drag = false;
dragfromdive = "";
offset = 0;
)
)

function move ()
(If (drag == true)
(
dragfromdive.style.left = (event.x + document.body.scrollLeft) - controlx;
dragfromdive.style.top = (document.body.scrollTop + event.y) - controly;
)
)

</ script>

</ head>
<body onmouseup="drop()" onmousemove="move()">

<div id="divtest01" onmousedown="drag('divtest01')" style="position:absolute;">
<table bgcolor="red" width=45px height=45px>
<tr> <td> </ td> </ tr>
</ table>
</ div>
</ body>
</ html>

Snake08 · #3 07-07-2009

Most of the JavaScript has been bundled into a reusable package called the ToolMan DHTML Library which you can download and use for free.

absolute55 · #4 07-07-2009

AJAX has revolutionized Web user interfaces, and ASP.NET AJAX has made AJAX available to the Visual Studio users. It comes in three separate downloads: ASP.NET AJAX Extensions (asp.net/ajax/downloads), which provides the core, fully tested set of AJAX functionality; ASP.NET AJAX Futures (asp.net/downloads/futures), which contains experimental features on which the product group wants feedback; and the ASP.NET AJAX Control Toolkit (asp.net/ajax/ajaxcontroltoolkit/samples), which provides a grab bag of AJAX controls as well as an SDK for building controls of your own.

check this link form more information

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Example Method for Drag and Drop in ASP.NET

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