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JQuery Select Header Checkbox When All Child Checkboxes Selected in Asp.net Gridview
Introduction:
In this article I will explain how to
check/uncheck or select/deselect all the checkboxes in gridview with header
checkbox using JQuery in asp.net.
Description:
Now I will explain how to select/deselect header checkbox when all child checkboxes selected in gridvuew using JQuery.
Now I will explain how to select/deselect header checkbox when all child checkboxes selected in gridvuew using JQuery.
For that first design your aspx page
like this
<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1"
runat="server">
<title>check uncheck all checkboxes in gridview using jquery</title>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js">
</script>
<script type="text/javascript">
$(document).ready(function()
{
$('[id$=chkHeader]').click(function() {
$("[id$=chkChild]").attr('checked', this.checked);
});
$("[id$=chkChild]").click(function() {
if ($('[id$=chkChild]').length
== $('[id$=chkChild]:checked').length)
{
$('[id$=chkHeader]').attr("checked", "checked");
}
else{
$('[id$=chkHeader]').removeAttr("checked");
}
});
});
</script>
</head>
<body>
<form id="form1"
runat="server">
<div>
<asp:GridView ID="gvUserInfo"
runat="server">
<HeaderStyle BackColor="#df5015" Font-Bold="true" ForeColor="White" />
<Columns>
<asp:TemplateField>
<HeaderTemplate>
<asp:CheckBox ID="chkHeader"
runat="server"
/>
</HeaderTemplate>
<ItemTemplate>
<asp:CheckBox ID="chkChild" runat="server"/>
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
</div>
</form>
</body>
</html>
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Now add following
namespaces in codebehind
C#
Code
using
System;
using
System.Data;
using
System.Data.SqlClient;
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After
that add following code in code behind
protected
void Page_Load(object
sender, EventArgs e)
{
if
(!IsPostBack)
{
BindGridview();
}
}
// This method is used to bind gridview from database
protected
void BindGridview()
{
SqlConnection con = new SqlConnection("Data
Source=ARYAN-PC\SQLEXPRESS;Integrated Security=true;Initial Catalog=SalmanTempDB");
con.Open();
SqlCommand cmd = new SqlCommand("select
TOP 10 UserName,LastName,Location from UserInformation", con);
SqlDataAdapter da = new SqlDataAdapter(cmd);
DataSet
ds = new DataSet();
da.Fill(ds);
gvUserInfo.DataSource
= ds;
gvUserInfo.DataBind();
}
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VB.NET
Code
Imports
System.Data
Imports
System.Data.SqlClient
Partial
Class VBCode
Inherits
System.Web.UI.Page
Protected
Sub Page_Load(ByVal
sender As Object,
ByVal e As
EventArgs) Handles Me.Load
If
Not IsPostBack Then
BindGridview()
End
If
End
Sub
' This method is used to bind gridview from database
Protected
Sub BindGridview()
Dim
con As New
SqlConnection("Data
Source=ARYAN-PC\SQLEXPRESS;Integrated Security=true;Initial Catalog=SalmanTempDB")
con.Open()
Dim
cmd As New
SqlCommand("select TOP 10
UserName,LastName,Location from UserInformation", con)
Dim
da As New
SqlDataAdapter(cmd)
Dim
ds As New
DataSet()
da.Fill(ds)
gvUserInfo.DataSource
= ds
gvUserInfo.DataBind()
End
Sub
End
Class
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