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Not able to get values of textbox and label using asp.net and jquery from aspgrid (dynamic)

I have following grid
<asp:GridView ID="grdBOQ" width="100%" ShowHeaderWhenEmpty="true" AutoGenerateColumns="false" runat="server" CssClass="gvBOQdatatable">
<Columns>
<asp:TemplateField HeaderText="Sl No:">
<ItemTemplate>
<%#(grdBOQ.PageSize * grdBOQ.PageIndex) + grdBOQ.Rows.Count + 1%>
</ItemTemplate>
<HeaderStyle HorizontalAlign="Center" Width="40px" Wrap="False" />
<ItemStyle HorizontalAlign="Center" />
</asp:TemplateField>
<asp:TemplateField HeaderText="Category Name">
<ItemTemplate>
<asp:Label runat="server" Text='<%# Bind("Category_Name") %>' ID="lblCategoryName" ></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Category Description">
<ItemTemplate>
<asp:Label runat="server" Text='<%# Bind("Description") %>' ID="lblCategoryDescription" ></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Quantity">
<ItemTemplate>
<asp:TextBox ID="txtQuantity" class="form-control" runat="server" Text="0" MaxLength="8"></asp:TextBox>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Unit">
<ItemTemplate>
<asp:Label runat="server" Text='<%# Bind("UOM_Name") %>' ID="lblUnit" ></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Unit Rate">
<ItemTemplate>
<asp:Label runat="server" Text='<%# Bind("SellingPrice_Per_UOM") %>' ID="lblUnitRate" ></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Total">
<ItemTemplate>
<asp:Label runat="server" Text='0.00' ID="lblTotalPrice" ></asp:Label>
</ItemTemplate>
</asp:TemplateField>
</Columns>
<EmptyDataTemplate>
<div style="width: 99%; text-align: center">
<asp:Label ID="lblEmpty" runat="server" Text="Sorry!!! No Record Found.."></asp:Label>
</div>
</EmptyDataTemplate>
</asp:GridView>
I have given following code in script tag using jquery to find asp textbox value but not working. I tried 2 different way but not getting.
First way
$("#txtQuantity").on('click', function () {
alert('testing');
});
Second Way
var recipient = $("#txtQuantity")
$("#<%=recipient.ClientID%>").on('change', function () {
alert('testing');
});
Nothing works what is the way to get. I tried the above code inside document.ready and inside aspcontent tag.As it is in grid I have now around 5 textboxes and it varies based on the values from database.

Finally I have some thing like this but no idea this is a good solution.Please advice
$("#<%=grdBOQ.ClientID %>").on('change', function () {
var GridView1 = document.getElementById('<%= grdBOQ.ClientID %>');
for (var rowId = 1; rowId < GridView1.rows.length; rowId++) {
var textValue = GridView1.rows[rowId].cells[3].children[0];
if (textValue.value != '0')
alert(textValue.value);
}
});

How to open a pop dialog on click of hyperlink in a gridview (another popup)?

I have a hyper link which will open a grid view popup, which have name and other details, and the name is a hyperlink in it.When I click on that hyperlink i need to display the details of that user in another popup. How can i do it?
My Code:
<asp:GridView ID="grdNomiantionCountDetails" runat="server" AutoGenerateColumns="false"
PagerStyle-CssClass="dvPageNation1" PagerSettings-Position="Bottom" GridLines="None"
PagerStyle-HorizontalAlign="Left" Visible="true" Width="600px" HorizontalAlign="center">
<Columns>
<asp:TemplateField HeaderText="Nominated By" HeaderStyle-HorizontalAlign="Left">
<ItemStyle CssClass="bdrstyle" />
<ItemTemplate>
<br />
<asp:HyperLink Width="180px" CssClass="txtcolor" runat="server" ID="HyperLink1" Text='<%#Bind("NominatorName")%>' onclick='<%# String.Format("return viewDescription(""{0}"");",Eval("Description")) %>'></asp:HyperLink>
</ItemTemplate>
<HeaderStyle CssClass="hdrstyle" HorizontalAlign="Left" />
</asp:TemplateField>
<asp:TemplateField HeaderText="Institution" HeaderStyle-HorizontalAlign="Left" HeaderStyle-CssClass="hdrstyle">
<ItemStyle HorizontalAlign="Left" VerticalAlign="Middle" Width="400px" CssClass="txtcolor bdrstyle " />
<ItemTemplate>
<br />
<asp:Label Width="180px" CssClass="txtcolor" runat="server" ID="lblInstitution" Text='<%#Bind("Institution")%>' />
<br />
</ItemTemplate>
</asp:TemplateField>
</Columns>
<PagerStyle CssClass="dvPageNation1" HorizontalAlign="Left" />
</asp:GridView>
</div>
And i need to open a dialog with the description, on click of the NominatorName hyperlink

Replace
<asp:HyperLink Width="180px" CssClass="txtcolor" runat="server" ID="HyperLink1" Text='<%#Bind("NominatorName")%>' onclick='<%# String.Format("return viewDescription(""{0}"");",Eval("Description")) %>'></asp:HyperLink>
with something like
<div onclick="openPopupDialog('<%# Eval("Description") %>')">ClickMe</div>

Maintian Scrollbar Of GridView Under <div> Asp.netnot working?

i have content page in which i am selecting value from drop down on which gridview populate i am here showing my aspx page,
<div>
<table>
<tr>
<td>
<asp:DropDownList ID="ddlConsultant" runat="server"
AutoPostBack="True"
onselectedindexchanged="ddlConsultant_SelectedIndexChanged">
</asp:DropDownList>
</td>
<td>
</td>
<td>
<asp:TextBox ID="txtActivatedOn" runat="server">
</asp:TextBox>
<a href="javascript:show_calendar('<%=txtActivatedOn.ClientID%>','<%=txtActivatedOn.Text%>');">
<img border="0" src="./Images/calendar.gif" alt="calendar" /></a>
</td>
<td>
</td>
<td>
<asp:Button ID="btnUpdateActivated" runat="server" Text="Update Date"
class="button" />
</td>
</tr>
</table>
<div id="grdWithScroll" style="OVERFLOW: auto" onscroll="SetDivPosition()">
<asp:GridView ID="gvProjects" runat="server" AutoGenerateColumns="False" Height="150px"
Width="225px" CellPadding="4" ForeColor="#333333" GridLines="None" OnRowDeleting="gvProjects_RowDeleting"
DataKeyNames="ID" ViewStateMode="Inherit">
<AlternatingRowStyle BackColor="White" ForeColor="#284775" />
<Columns>
<asp:TemplateField>
<HeaderTemplate>
<asp:CheckBox ID="chk_All" runat="server" AutoPostBack="true" OnCheckedChanged="chk_All_CheckedChanged"/>
</HeaderTemplate>
<ItemTemplate>
<asp:CheckBox ID="chk_selector" runat="server" AutoPostBack="true" OnCheckedChanged="chk_selector_CheckedChanged" Checked='<%#bool.Parse(Eval("Proj_Flag").ToString() == "True" ? "True": "False") %>'/>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField Visible="false">
<ItemTemplate>
<asp:Label ID="lbl_ID" runat="server" Text='<%# Bind("ID") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="ProjectID" Visible="true">
<ItemTemplate>
<asp:Label ID="lblProjectID" runat="server" Text='<%# Bind("ProjectID") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<%--<asp:TemplateField HeaderText="Order #">
<ItemTemplate>
<!-- <asp:Label ID="lblOrderNumber" runat="server" Text=''></asp:Label>-->
</ItemTemplate>
</asp:TemplateField>--%>
<asp:TemplateField HeaderText="Title">
<ItemTemplate>
<a href="javascript:openPopup('DsProjectDetail.aspx?mode=1&cid=<%# Eval("ID") %>&prj=<%#Eval("Title")%>' )">
<%--<%#Eval("Title")%>--%>
<asp:Label ID="lblTitle" runat="server" Text='<%# Bind("Title") %>'></asp:Label></a>
</ItemTemplate>
<ControlStyle Width="400px" />
</asp:TemplateField>
<%-- <asp:TemplateField HeaderText="CompletionDate">
<ItemTemplate>
<asp:Label ID="lblCompletionDate" runat="server" Text='<%# Bind("CompletionDate") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>--%>
<asp:TemplateField HeaderText="ConsultantID" Visible="false">
<ItemTemplate>
<asp:Label ID="lblConsultantID" runat="server" Text='<%# Bind("CompanyID") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:CommandField DeleteImageUrl="~/Images/Delete.gif" ButtonType="Image" ShowDeleteButton="True" />
</Columns>
</asp:GridView>
</div>
<input type="hidden" id="XPos" runat="server" />
<input type="hidden" id="YPos" runat="server" />
<table>
<tr>
<td>
<asp:Button ID="btnAddProject" runat="server" CssClass="button" Text="New Project"
onclick="btnAddProject_Click" />
</td>
</tr>
</table>
</div>
Javascript i am using are,
<script type="text/javascript">
window.onload = function(){
var strCook = document.cookie;
if(strCook.indexOf("!~")!=0){
var intS = strCook.indexOf("!~");
var intE = strCook.indexOf("~!");
var strPos = strCook.substring(intS+2,intE);
document.getElementById("grdWithScroll").scrollTop = strPos;
}
}
function SetDivPosition(){
var intY = document.getElementById("grdWithScroll").scrollTop;
document.title = intY;
document.cookie = "yPos=!~" + intY + "~!";
}
</script>
<script type="text/javascript">
window.scrollBy(100, 100);
function foo() {
alert("ddd");
if (grdWithScroll != null) alert(grdWithScroll.scrollTop);
}
</script>
and at the end of the page load event i am using,
Page.ClientScript.RegisterStartupScript(GetType(), "MyKey", "SetDivPosition();", true);
i have added this line in
<%# Page Language="C#" MaintainScrollPositionOnPostback="true" ...
and also added in webconfig,
<system.web>
<pages maintainScrollPositionOnPostBack="true" >
</pages>
</system.web>
getting help from this link,
http://stackoverflow.com/questions/12092150/maintain-scroll-bar-position-of-a-div-within-a-gridview-after-a-postback
One think i wanna mention that "onscroll="SetDivPosition()" in div tag showing me warning that on scroll is not valid attribute for div tag
But after doing all this its not working for me firstly i populate gridview with dropdown when grid populate it shows check box column too in all rows that on checked save check box value in database and post back occurs if i am at bottom of grid it scroll to the top after post back
Hopes for your suggestion
Thanks

Auto-select child checkboxes

I've to work with the roles of the users, that I have in a sql base.
Every role has a checkbox, the idea is to check the "childrens" checkboxes if the "parent" is checked, and check the "parent" if all the "childrens" are checked.
I tried this script in a page and it worked, but I can not make this work in my asp.net
This is my script and code.
$(document).ready(function () {
$('.parent').click(function () {
if ($(this).is(':checked'))
$(this).parent().find('.children input[type="checkbox"]').attr('checked', 'checked');
});
$('.children input[type="checkbox"]').click(function () {
var numberOfCheckboxes = $(this).parents('.children').find('input[type="checkbox"]').length;
if ($(this).parents('.children').find('input[type="checkbox"]').filter('input[checked=checked]').length == numberOfCheckboxes)
$(this).parents('div').find('.parent').attr('checked', 'checked');
});
});
<div>
<asp:DataList ID="outerDataList" runat="server" DataSourceID="ObjectDataSource2" >
<ItemTemplate>
<li>
<asp:Label ID="idLabel" runat="server" Text='<%# Eval("id") %>'
Visible="False" />
<asp:Label ID="typeLabel" runat="server" Text='<%# Eval("type") %>'
Visible="False" />
<asp:CheckBox ID="chkEnabled" class="parent" runat="server"
Checked='<%# Eval("Enabled") %>' Text='<%# Eval("name") %>' />
</li>
<ul class="children">
<asp:DataList ID="innerDataList" runat="server" DataSource='<%# Eval("Roles") %>'>
<ItemTemplate>
<li>
<asp:Label ID="idLabelInt" runat="server"
Text='<%# Eval("id") %>' Visible="False" />
<asp:Label ID="typeLabelInt" runat="server"
Text='<%# Eval("type") %>' Visible="False" />
<asp:CheckBox ID="chkEnabledInt" runat="server"
Checked='<%# Eval("Enabled") %>' Text='<%# Eval("name") %>' />
</li>
</ItemTemplate>
</asp:DataList>
</ul>
</ItemTemplate>
</asp:DataList>
</div>

Move your list item closing tag to encapsulate the sub-list.
<div>
<asp:DataList ID="outerDataList" runat="server" DataSourceID="ObjectDataSource2" >
<ItemTemplate>
<li>
<asp:Label ID="idLabel" runat="server" Text='<%# Eval("id") %>'
Visible="False" />
<asp:Label ID="typeLabel" runat="server" Text='<%# Eval("type") %>'
Visible="False" />
<asp:CheckBox ID="chkEnabled" class="parent" runat="server"
Checked='<%# Eval("Enabled") %>' Text='<%# Eval("name") %>' />
<ul class="children">
<asp:DataList ID="innerDataList" runat="server" DataSource='<%# Eval("Roles") %>'>
<ItemTemplate>
<li>
<asp:Label ID="idLabelInt" runat="server"
Text='<%# Eval("id") %>' Visible="False" />
<asp:Label ID="typeLabelInt" runat="server"
Text='<%# Eval("type") %>' Visible="False" />
<asp:CheckBox ID="chkEnabledInt" runat="server"
Checked='<%# Eval("Enabled") %>' Text='<%# Eval("name") %>' />
</li>
</ItemTemplate>
</asp:DataList>
</ul>
</li>
</ItemTemplate>
</asp:DataList>
</div>
Here, you are looking for descendants of the checkbox's parent with a class of children:
$(this).parent().find('.children input[type="checkbox"]')
As you currently have it, with the <ul> as a sibling of the <li>, rather than a child, this selector doesn't work.
Besides it breaking your selector, it's also invalid HTML. A <li> must be a child of a <ul>, <ol>, or <menu> element. The only allowed children of these elements are <li> elements. (The exception being <menu>, which can alternatively contain flow content instead of <li> elements.) To generate valid HTML, you must replace your parent <div> element with a <ul>, <ol>, or <menu>.
Also, I think you want .closest(), which selects a single element - the first ancestor matching the selector, instead of .parents(), which selects every ancestor matching the selector.

How to enable and disable the LinkButton in GridView when CheckBox in the same GridView was checked?

I have a number of Template Fields in my GridView. In which I have One CheckBox called "chkSelect" in it and in another Template Field I have one LinkButton called "lnkgvQCAttribute". Here I want to Disable the LinkButton when the CheckBox is Unchecked and Enable the LinkButton when the CheckBox is Checked. How to do this using JavaScript?
Here is my GridView's columns:
<Columns>
<asp:TemplateField HeaderText="S.No.">
<ItemTemplate>
<asp:Label ID="lblSNo" runat="server" Text='<%# Container.DataItemIndex + 1 %>'></asp:Label>
</ItemTemplate>
<ItemStyle Width="25px" />
<ControlStyle Width="25px" />
</asp:TemplateField>
<asp:TemplateField>
<ItemTemplate>
<asp:CheckBox ID="chkSelect" runat="server" Checked='<%#Bind("Select") %>' onClick="CheckedTotal();" />
</ItemTemplate>
<HeaderTemplate>
<asp:CheckBox ID="chkSelectAll" runat="server" onclick="CheckAll();" />
</HeaderTemplate>
<ControlStyle Width="20px" />
<ItemStyle Width="20px" />
</asp:TemplateField>
<asp:BoundField DataField="PurchaseID" HeaderText="PurchaseID" Visible="false" />
<asp:BoundField DataField="POID" HeaderText="POID" Visible="false" />
<asp:BoundField DataField="PurchaseDetailID" HeaderText="PurchaseDetailID" Visible="false" />
<asp:TemplateField HeaderText="ItemID" Visible="false">
<ItemTemplate>
<asp:Label ID="lblgvItemID" runat="server" Text='<%# Bind("ItemID") %>' />
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Item Description" SortExpression="ItemDescription">
<ItemTemplate>
<asp:Label ID="lblItemDesc" runat="server" Text='<%# Bind("ItemDescription") %>' Style="display: none"></asp:Label>
<asp:TextBox ID="txtItemDesc" runat="server" Text='<%# Bind("ItemDescription") %>' Font-Size="Smaller" Enabled="false"></asp:TextBox>
</ItemTemplate>
<ControlStyle Width="200px" />
<ItemStyle Width="200px" />
</asp:TemplateField>
<asp:BoundField DataField="SpecificationName" HeaderText="Specification Name" SortExpression="SpecificationName">
<ItemStyle HorizontalAlign="Left" />
</asp:BoundField>
<asp:TemplateField HeaderText="RD">
<ItemTemplate>
<asp:Label ID="lblgvRD" runat="server" Text='<%# Bind("RandomDimension") %>'></asp:Label></ItemTemplate>
<ItemStyle Width="40px" />
</asp:TemplateField>
<asp:TemplateField HeaderText="Planned Quantity" SortExpression="PlannedQuantity">
<ItemTemplate>
<asp:Label ID="lblPlannedQuantity" runat="server" Text='<%# Bind("PlannedQuantity") %>' />
<asp:TextBox ID="txtPlannedQuantity" runat="server" Style="display: none" Text='<%# Bind("PlannedQuantity") %>' />
</ItemTemplate>
<ControlStyle Width="60px" />
<ItemStyle Width="60px" />
</asp:TemplateField>
<asp:TemplateField HeaderText="OnOrder Quantity" SortExpression="OnOrderQuantity">
<ItemTemplate>
<asp:Label ID="lblOnOrderQuantity" runat="server" Text='<%# Bind("OnOrderQuantity") %>' />
<asp:TextBox ID="txtOnOrderQuantity" runat="server" Style="display: none" Text='<%# Bind("OnOrderQuantity") %>' />
</ItemTemplate>
<ControlStyle Width="60px" />
<ItemStyle Width="60px" />
</asp:TemplateField>
<asp:TemplateField HeaderText="Order Quantity" SortExpression="OrderQuantity">
<ItemTemplate>
<asp:TextBox ID="txtOrderQuantity" runat="server" MaxLength="10" onkeypress="return DecimalValidate(event);" onkeyup="return calculateTotal();" Text='<%# Bind("OrderQuantity") %>' Enabled="false" />
</ItemTemplate>
<ControlStyle Width="60px" />
<ItemStyle Width="60px" />
</asp:TemplateField>
<asp:TemplateField HeaderText="Unit Rate" SortExpression="UnitRate">
<ItemTemplate>
<asp:Label ID="lblUnitRate" runat="server" Style="display: none" Text='<%# Bind("UnitRate") %>' />
<asp:TextBox ID="txtUnitRate" runat="server" onkeypress="return DecimalValidate(event);" onkeyup="return calculateTotal();" Text='<%# Bind("UnitRate") %>' Enabled="false />
</ItemTemplate>
<ControlStyle Width="90%" />
<ItemStyle Width="80px" />
</asp:TemplateField>
<asp:TemplateField HeaderText="Total Amount" SortExpression="TotalAmount">
<ItemTemplate>
<asp:TextBox ID="txtTotalAmt" runat="server" contentEditable="false" onclick="this.blur();" Style="background-color: Transparent; border: 0px; cursor: default" Text='<%# Bind("TotalAmount") %>' />
</ItemTemplate>
<ControlStyle Width="60px" />
<ItemStyle Width="60px" />
</asp:TemplateField>
<asp:TemplateField HeaderText="ItemStatusID" Visible="false">
<ItemTemplate>
<asp:Label ID="lblgvItemStatusID" runat="server" Text='<%# Bind("ItemStatusID") %>' />
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="QC">
<ItemTemplate>
<asp:LinkButton ID="lnkgvQCAttribute" runat="server" CommandArgument='<%# DataBinder.Eval(Container, "RowIndex") %>' CommandName="QC" Text="QC" />
</ItemTemplate>
</asp:TemplateField>
</Columns>
Please I need all your suggestions...

First add a reference to jQuery (download it and put it in one of site-folders, for example Scripts):
<script src="Scripts/jquery-1.2.6.pack.js" type="text/javascript"></script>
Then you should create a CssClass name for your elements, like:
<asp:TemplateField>
<ItemTemplate>
<asp:CheckBox ID="chkSelect" runat="server" Checked='<%#Bind("Select") %>' CssClass="chkSelect" />
</ItemTemplate>
<HeaderTemplate>
<asp:CheckBox ID="chkSelectAll" runat="server" onclick="CheckAll();" />
</HeaderTemplate>
<ControlStyle Width="20px" />
<ItemStyle Width="20px" />
</asp:TemplateField>
and
<asp:TemplateField HeaderText="QC">
<ItemTemplate>
<asp:LinkButton ID="lnkgvQCAttribute" runat="server" CommandArgument='<%# DataBinder.Eval(Container, "RowIndex") %>'
CommandName="QC" Text="QC" CssClass="lnkgvQCAttribute" />
</ItemTemplate>
</asp:TemplateField>
Now, you can find your elements with JS and control their behavior. In this case, the checkbox is in a span, then in a td, and finally a tr. You should navigate to the tr, in the tr find the a element that have lnkgvQCAttribute class, and control it:
<script type="text/javascript">
$(document).ready(function () {
$("span.chkSelect input").click(function () {
var enabled = this.checked;
var link = $(this).parent().parent().parent().find("a.lnkgvQCAttribute");
if (enabled) {
var href = $(link).attr("data-href");
$(link).attr("href", href);
$(link).removeAttr("data-href");
} else {
var href = $(link).attr("href");
$(link).attr("data-href", href);
$(link).removeAttr("href");
}
});
});
</script>
Enjoy!

Call onclick="disableLinkButton(this)" on checkbox
function disableLinkButton(obj) {
var rowObject = getParentRow(obj);
if(obj.checked) {
rowObject.childNodes[3].disabled = true // debug and check, row Object will contain that link button as its childnodes
}
else {
rowObject.childNodes[3].disabled = false;
}
}
function getParentRow(obj) {
obj = obj.parentElement;
while(obj.tagName != "TR")
return obj;
}

Add following javascript and style onto the page:
<script type="text/javascript">
$(function () {
$("input[id*='chkSelect_']", "#<%= GridView1.ClientID %>")
.click(function () {
var linkButton = $(this).closest("tr").find("a[id*='lnkgvQCAttribute_']");
if (this.checked) {
EnableLinkButton(linkButton);
}
else {
DisableLinkButton(linkButton);
}
}) //disable turned off linkbuttons on page load
.not(":checked").each(function () {
DisableLinkButton($(this).closest("tr").find("a[id*='lnkgvQCAttribute_']"));
});
});
function EnableLinkButton(lb) {
$(lb)
.removeClass("disabled")
.attr("href", function () {
return !$(this).is("[href^='javascript:__doPostBack']") ? this.href.replace('retun false;', '__doPostBack') : this.href;
});
}
function DisableLinkButton(lb) {
$(lb)
.addClass("disabled")
.attr("href", function () { return $(this).is("[href^='javascript:__doPostBack']") ? this.href.replace('__doPostBack', 'retun false;') : this.href; });
}
</script>
<style type="text/css">
a.disabled
{
color: #e3e3e3;
text-decoration: none;
cursor: default;
}
</style>