Here we
will learn how to add Context menu on right click on grid view in Asp.net.
For this we
need to use
1. Context menu Jquery File. You add jquery file into your project
2. In this page there are Jquery
file and css file which we have to use
it in this project
Write
the following code in the .aspx page
.ASPX Code
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<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="ContextMenu.aspx.cs" Inherits="ContextMenu.ContextMenu" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0
Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>Grid View Context Menu</title>
<link href="ContextMenuScript/css/StyleSheet.css" rel="stylesheet" type="text/css" />
<link href="ContextMenuScript/css/confirm.css" rel="stylesheet" type="text/css" />
<link href="ContextMenuScript/css/jquery.contextMenu.css" rel="stylesheet" type="text/css" />
<script src="ContextMenuScript/js/jquery-1.2.6.min.js" type="text/javascript"></script>
<script src="ContextMenuScript/js/jquery.simplemodal-1.1.1.js" type="text/javascript"></script>
<script src="ContextMenuScript/js/jquery.contextMenu.js" type="text/javascript"></script>
<!-- IE 6 hacks -->
<!--[if lt IE 7]>
<link
type='text/css' href='ContextMenuScript/css/confirm_ie.css' rel='stylesheet'
media='screen' />
<![endif]-->
<style type="text/css">
.StudentRow
{
}
.gvhide
{
display: none;
}
</style>
<script language="javascript" type="text/javascript" >
var StudentID = null;
var CollageName = null;
var StudentName = null;
$(document).ready(function () {
$(".StudentRow").contextMenu({ menu: 'myMenu' }, function (action, el, pos) {
contextMenuWork(action, el, pos); });
$(".openmenu").contextMenu({ menu: 'myMenu', leftButton: true }, function (action, el, pos) {
contextMenuWork(action, el.parent("tr"), pos); });
});
function contextMenuWork(action,
el, pos) {
var rowindex = (el[0].rowIndex * 1 - 1);
StudentID = $("#Gridview1_lbl_StudentID_" + rowindex).html();
CollageName = $("#Gridview1_lbl_CollageName_" + rowindex).html();
StudentName = $("#Gridview1_lbl_StudentName_" + rowindex).html();
switch (action) {
case "delete":
{
//you can call code
behind function from following method, For this you need to set Script
manager property as "EnablePageMethods = "true"
// var success =
PageMethods.CallServerFunction(rowindex);
alert("Delete Student
Record");
break;
}
case "insert":
{
alert("Insert new student
record");
break;
}
case "edit":
{
alert("Edit Student
Record");
break;
}
}
}
function pageLoad() {
$(".StudentRow").contextMenu({ menu: 'myMenu' }, function (action, el, pos) { contextMenuWork(action,
el, pos); });
$(".openmenu").contextMenu({ menu: 'myMenu', leftButton: true }, function (action, el, pos) {
contextMenuWork(action, el.parent("tr"), pos); });
}
</script>
</head>
<body>
<form id="form1" runat="server">
<asp:ScriptManager ID="ScriptManager1" runat="server" EnablePageMethods = "true">
</asp:ScriptManager>
<asp:UpdatePanel ID="UpdatePanel1" runat="server">
<ContentTemplate>
<asp:GridView ID="Gridview1" runat="server" AutoGenerateColumns="false" OnRowDataBound="Gridview1_RowDataBound"
AllowPaging="true" OnPageIndexChanging="Gridview1_PageIndexChanging" PageSize="5">
<Columns>
<asp:TemplateField HeaderText="StudentID">
<ItemTemplate>
<asp:Label ID="lbl_StudentID" runat="server" Text='<%# Eval("Studentid") %>'></asp:Label>
</ItemTemplate>
<ItemStyle CssClass="gvhide" />
<HeaderStyle CssClass="gvhide" />
</asp:TemplateField>
<asp:TemplateField HeaderText="CollageName">
<ItemTemplate>
<asp:Label ID="lbl_CollageName" runat="server" Text='<%# Eval("CollageName") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="StudentName">
<ItemTemplate>
<asp:Label ID="lbl_StudentName" runat="server" Text='<%# Eval("StudentName") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
<br />
</ContentTemplate>
</asp:UpdatePanel>
<!-- Right Click Menu -->
<ul id="myMenu" class="contextMenu">
<li class="insert"><a href="#insert">Add New Record </a></li>
<li class="edit"><a href="#edit">Edit Record</a></li>
<li class="delete"><a href="#delete" >Delete record</a></li>
</ul>
</form>
</body>
</html>
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Code behind Page (.CS page)
|
using System;
using
System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;
using System.Web.Services;
using
System.Web.Script.Services;
namespace ContextMenu
{
public partial class ContextMenu : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
BindGridView();
}
}
private void BindGridView()
{
DataTable dt = new DataTable();
dt = GetDatasource();
Gridview1.DataSource = dt;
Gridview1.DataBind();
}
private DataTable GetDatasource()
{
DataTable dt = new DataTable();
dt.Columns.AddRange(new DataColumn[3] { new DataColumn("Studentid", typeof(int)),
new DataColumn("CollageName", typeof(string)),
new DataColumn("StudentName",typeof(string)) });
dt.Rows.Add(1, "VIT", "Munesh");
dt.Rows.Add(2, "IIT", "Rahul");
dt.Rows.Add(3, "XYZ", "ABC");
dt.Rows.Add(4, "PQR", "Anshuman");
return dt;
}
protected void Gridview1_RowDataBound(object sender, GridViewRowEventArgs e)
{
if (e.Row.RowType == DataControlRowType.DataRow)
{
DataTable dt = new DataTable();
dt = (DataTable)Gridview1.DataSource;
int rowindex = e.Row.RowIndex;
e.Row.Attributes.Add("class", "StudentRow");
}
}
protected void
Gridview1_PageIndexChanging(object sender, GridViewPageEventArgs e)
{
Gridview1.PageIndex =
e.NewPageIndex;
BindGridView();
}
[WebMethod]
public static bool CallServerFunction(int a)
{
return true;
//You can not call following function because it
static method
//Page.ClientScript.RegisterStartupScript(this.GetType(),
"alert", "Alert();", true);
}
}
}
|
Now
run your application and right click on your gridview ,then you perform
operations
you can download this project from link Download
