shubham prakash

NA
16
1.3k

select all checkbox in dropdown

Oct 25 2013 9:06 AM

my code is:

aspx page:

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="ddn.aspx.cs" Inherits="_Default" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<title>Grid Validation</title>

function showdiv() {

document.getElementById("divChkList").style.display = "block";

}

function showdivonClick() {

var objDLL = document.getElementById("divChkList");

if (objDLL.style.display == "block")

objDLL.style.display = "none";

else

objDLL.style.display = "block";

}

function getSelectedItem(lstValue, lstNo, lstID, ctrlType) {

var noItemChecked = 0;

var ddlReport = document.getElementById("ddlChkList");

var selectedItems = "";

var arr = document.getElementById("chkLstItem").getElementsByTagName('input');

var arrlbl = document.getElementById("chkLstItem").getElementsByTagName('label');

var objLstId = document.getElementById('hidList');

for (i = 0; i < arr.length; i++) {

checkbox = arr[i];

if (i == lstNo) {

if (ctrlType == 'anchor') {

if (!checkbox.checked) {

checkbox.checked = true;

}

else {

checkbox.checked = false;

}

if (checkbox.checked) {

if (selectedItems == "") {

selectedItems = arrlbl[i].innerText;

}

else {

selectedItems = selectedItems + "," + arrlbl[i].innerText;

}

noItemChecked = noItemChecked + 1;

}

ddlReport.title = selectedItems;

var Text = ddlReport.options[ddlReport.selectedIndex].text;

if (noItemChecked == 1)

ddlReport.options[ddlReport.selectedIndex].text = lstValue;

else

ddlReport.options[ddlReport.selectedIndex].text = noItemChecked + " Items";

document.getElementById('hidList').value = ddlReport.options[ddlReport.selectedIndex].text;

}

document.onclick = check;

function check(e) {

var target = (e && e.target) || (event && event.srcElement);

var obj = document.getElementById('divChkList');

var obj1 = document.getElementById('ddlChkList');

if (target.id != "alst" && !target.id.match("chkLstItem")) {

if (!(target == obj || target == obj1)) {

obj.style.display = 'none'

}

else if (target == obj || target == obj1) {

if (obj.style.display == 'block') {

obj.style.display = 'block';

}

else {

obj.style.display = 'none';

document.getElementById('ddlChkList').blur();

}

</script>

</head>

<body>

<table>

<tr>

<asp:PlaceHolder ID="ppl" runat="server" ></asp:PlaceHolder>

</td>

</tr>

</table>

<asp:HiddenField ID="hidList" runat="server" />

</form>

</body>

</html>

my .cs code is:

using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.Data;

public partial class _Default : System.Web.UI.Page

{

protected void Page_Load(object sender, EventArgs e)

{

DropDownList ddl = new DropDownList();

ddl.ID = "ddlChkList";

ListItem lstItem = new ListItem();

ddl.Items.Insert(0, lstItem);

ddl.Width = new Unit(155);

ddl.Attributes.Add("onmousedown", "showdivonClick()");

//ddl.Attributes.Add("onclick", "chkall()");

CheckBoxList chkBxLst = new CheckBoxList();

chkBxLst.ID = "chkLstItem";

chkBxLst.Attributes.Add("onmouseover", "showdiv()");

//chkBxLst.Attributes.Add("onclick", "chkall()");

DataTable dtListItem = GetListItem();

int rowNo = dtListItem.Rows.Count;

string lstValue = string.Empty;

string lstID = string.Empty;

for (int i = 0; i < rowNo - 1; i++)

{

lstValue = dtListItem.Rows[i]["Value"].ToString();

lstID = dtListItem.Rows[i]["ID"].ToString();

lstItem = new ListItem("<a href=\"javascript:void(0)\" id=\"s5\" style=\"text-decoration:none;color:Black; \" onclick=\"getSelectedItem(' " + lstValue + "','" + i + "','" + lstID + "','anchor');\">" + lstValue + "</a>", dtListItem.Rows[i]["ID"].ToString());

lstItem.Attributes.Add("onclick", "getSelectedItem('" + lstValue + "','" + i + "','" + lstID + "','listItem');");

chkBxLst.Items.Add(lstItem);

}

System.Web.UI.HtmlControls.HtmlGenericControl div = new System.Web.UI.HtmlControls.HtmlGenericControl("div");

div.ID = "divChkList";

div.Controls.Add(chkBxLst);

div.Style.Add("border", "black 1px solid");

div.Style.Add("width", "160px");

div.Style.Add("height", "180px");

div.Style.Add("overflow", "AUTO");

div.Style.Add("display", "none");

ppl.Controls.Add(ddl);

ppl.Controls.Add(div);

if (chkBxLst.SelectedIndex == 1)

{

}

public DataTable GetListItem()

{

DataTable table = new DataTable();

table.Columns.Add("ID", typeof(int));

table.Columns.Add("Value", typeof(string));

table.Rows.Add(1, "all");

table.Rows.Add(2, "ListItem2");

table.Rows.Add(3, "ListItem3");

table.Rows.Add(8, "ListItem8");

return table;

}

please give me a solution for this ....

Answers (1)

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