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i am trying to insert values in my dropdown list dynamically onclick of add button such that one row should be added with new dropdown with data. i have tried many logic but didnt work

HTML
<html>
<head>
<script language="javascript">

function addrow(tableID)
	{
		var table = document.getElementById(tableID);
		var rowcount = table.rows.length;
		var row = table.insertRow(rowcount);

		var cell1 = row.insertCell(0);
		var element1 = document.createElement("input");
		element1.type = "checkbox";
		element1.name = "chkbox[]";
		cell1.appendChild(element1);

		var cell2 = row.insertCell(1);
		cell2.innerHTML = rowcount + 1;
		
		var cell3 = row.insertCell(2);
		var element2 = document.createElement("select");
		element2.name = "Function[1]";
		//element2 = init();
		cell3.appendChild(element2);
		document.CountrySelect.Function[1].options[0] = new Option("Please select a Country Type", "-1");
                 
		var cell4 = row.insertCell(3);
		var element3 = document.createElement("select");
		element3.name = "StateType[]";
		//element3=init();
		cell4.appendChild(element3);		

		
	
	}

function deleteRow(tableID) {
			try {
			var table = document.getElementById(tableID);
			var rowcount = table.rows.length;

			for(var i=0; i<rowcount; i++) {
				var row = table.rows[i];
				var chkbox = row.cells[0].childNodes[0];
				if(chkbox != null && chkbox.checked == true) {
					table.deleteRow(i);
					rowcount--;
					i--;
				}


			}
			}catch(e) {
				alert(e);
			}
		}

var Country = null;
function init()
{
    var numCountry = 2;
    var oStateSlct = document.CountrySelect.Function;
    Country = new Array(numCountry + 1); 
    oStateSlct.options[0] = new Option("Please select a Country Type", "-1");
    Country[0] = new Array(0); 
    oStateSlct.options[1] = new Option("Country1", "1");
    Country[1] = new Array(1);
    Country[1][0] = new Option("State1", "-1");
    oStateSlct.options[2] = new Option("Country2", "2");
    Country[2] = new Array(2);
    Country[2][0] = new Option("State1", "-1");
    Country[2][1] = new Option("State2", "0");
 
}
 
function fillUpSelectControl(srcCntrl,targetCntrl,selectOptions)
{
    var slctIndx = srcCntrl.options.selectedIndex;
    for( i=0; i<targetCntrl.options.length; i++ )
        targetCntrl.options[i] = null;
 
    var newOptions = selectOptions[slctIndx]; 
    for( i=0; i<newOptions.length; i++ )
        targetCntrl.options[i] = new Option( newOptions[i].text, newOptions[i].value );
    targetCntrl.options[0].selected = true;
}

</script>
</head>

<body onload="init();">
<form name="CountrySelect" >

<input type="button" value="Add Me" onclick="addrow('mytable');init();"/>
<input type="button" value="Delete me" onClick="deleteRow('mytable')"/>

<table id="mytable" width="350px" border="1">
	<tr>
		<td><input type="checkbox" name="chkbox"/></td>
		<td> 1 </td>
		<td><select NAME="Function" onChange="fillUpSelectControl(this,this.form.StateType,Country)">
		</select></td>
		<td><select name="StateType"> </select></td>
	</tr>
</table>
</form>
		
</body>	
</html>
Posted
Updated 27-Feb-14 22:45pm
v2

This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)



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