Saturday, 11 July 2015

Ajax Call to controller and view

Create.cshtml
------------------------------------------------------------


@model MvcApplication1.Models.student

@{
    ViewBag.Title = "Create";
}
<!-- for popup -->
    <div id="dvPop" style="display:none;position:absolute;top:100px;left:100px;z-index:1000;height:400px;width:400px;background-color:red"></div>
<!-- End for popup -->



<h2>Create</h2>

@using (Html.BeginForm()) {
    @Html.ValidationSummary(true)

    <fieldset>
        <legend>student</legend>

        <div class="editor-label">
            @Html.LabelFor(model => model.FirstName)
        </div>
        <div class="editor-field">
            @Html.EditorFor(model => model.FirstName)
            @Html.ValidationMessageFor(model => model.FirstName)
        </div>

        <div class="editor-label">
            @Html.LabelFor(model => model.LastName)
        </div>
        <div class="editor-field">
            @Html.EditorFor(model => model.LastName)
            @Html.ValidationMessageFor(model => model.LastName)
        </div>

        <p>
            <input type="submit" value="Create" />
           
            <input type="button" value="ShowList" onclick="showStudList();" />
        </p>
    </fieldset>
}

<div>
    @Html.ActionLink("Back to List", "Index")
</div>
<script src="http://code.jquery.com/jquery-2.1.4.min.js"></script>
 <script lang="javascript">
     function showStudList() {

       
        // $(this).load("/StudentName/index");

         $.ajax({
             type: "GET",
             url: "/StudentName/index",
             data: {},
             success: function (viewHTML) {
                 document.getElementById('dvPop').style.display = '';
                 $("#dvPop").html(viewHTML);
             },
             error: function (errorData) { onError(errorData); }
         });

     }

</script>




----------------

StudentNameController.cs
--------------------------------


using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using MvcApplication1.Models;

namespace MvcApplication1.Controllers
{
    public class StudentNameController : Controller
    {
        //
        // GET: /StudentName/

        private adiEntities db = new adiEntities();

        public ActionResult Index()
        {
            //Get student List
            List<student> studList = db.students.Where(x=>x.FirstName=="Ram").ToList();
            return PartialView("Index", studList);
        }

    }
}

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Sunday, 5 July 2015

Event Bubbling



GridOperation.ASPX


<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="GridOperation.aspx.cs" Inherits="UC_to_UC.LucyJobs.GridOperation" %>

<%@ Register src="ShowGrid.ascx" tagname="ShowGrid" tagprefix="uc1" %>

<!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></title>
</head>
<body>
    <form id="form1" runat="server">
   
    <div>
       
        <uc1:ShowGrid ID="ShowGrid1" runat="server" />
       
    </div>
    </form>
</body>
</html>



Pager.ASCX

 <%@ Control Language="C#" AutoEventWireup="true" CodeBehind="Pager.ascx.cs" Inherits="UC_to_UC.LucyJobs.Pager" %>
<asp:DropDownList ID="ddlPager" runat="server" AutoPostBack="True"
    onselectedindexchanged="ddlPager_SelectedIndexChanged">
    <asp:ListItem>1</asp:ListItem>
    <asp:ListItem>2</asp:ListItem>
    <asp:ListItem>3</asp:ListItem>

</asp:DropDownList>


Pager.ASCX.cs

namespace UC_to_UC.LucyJobs
{
    public partial class Pager : System.Web.UI.UserControl
    {
        protected void Page_Load(object sender, EventArgs e)
        {

        }

        public delegate void GetPageIndexEventHandler(CustomEventArgs e);
        public event GetPageIndexEventHandler getPageCustomEvent;

        protected void ddlPager_SelectedIndexChanged(object sender, EventArgs e)
        {
            if (getPageCustomEvent != null)
            {
                CustomEventArgs cArgs = new CustomEventArgs();
                cArgs.PageNum = int.Parse(ddlPager.SelectedValue);
                getPageCustomEvent(cArgs);

            }

        }
    }
}


ShowGrid.ASCX


<%@ Control Language="C#" AutoEventWireup="true" CodeBehind="ShowGrid.ascx.cs" Inherits="UC_to_UC.LucyJobs.ShowGrid" %>
<%@ Register src="Pager.ascx" tagname="Pager" tagprefix="uc1" %>
<asp:GridView ID="gvStudents" runat="server" AllowPaging="true" PageSize="3" PagerSettings-Visible="false">
</asp:GridView>

<uc1:Pager ID="Pager1" runat="server" />


ShowGrid.ASCX.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

namespace UC_to_UC.LucyJobs
{
    public partial class ShowGrid : System.Web.UI.UserControl
    {

        
        List<student> oStudList = null;
        protected void Page_Load(object sender, EventArgs e)
        {

            
                oStudList = new List<student>()
            { 
                new student{roll=1,Name="Srikanta",Dept="MCA"},
                new student{roll=2,Name="Sriram", Dept="MBA"},
                new student{roll=3,Name="Susant",Dept="BA"},
                new student{roll=4,Name="Srikanta1",Dept="MCA"},
                new student{roll=5,Name="Sriram1", Dept="MBA"},
                new student{roll=6,Name="Susant1",Dept="BA"},
                new student{roll=7,Name="Srikanta2",Dept="MCA"},
                new student{roll=8,Name="Sriram2", Dept="MBA"},
                new student{roll=9,Name="Susant2",Dept="BA"},
                new student{roll=10,Name="Srikanta3",Dept="MCA"},
                new student{roll=11,Name="Sriram3", Dept="MBA"},
                new student{roll=12,Name="Susant3",Dept="BA"}
             };

                if (!IsPostBack)
                {
                gvStudents.DataSource = oStudList;
                gvStudents.DataBind();
                gvStudents.PageIndex = 0;
            }
            else
            {
                Pager1.getPageCustomEvent += new Pager.GetPageIndexEventHandler(Pager1_getPageCustomEvent);
            }
        }

        void Pager1_getPageCustomEvent(CustomEventArgs e)
        {
            BindStudentData(e.PageNum);
        }

              

        public void BindStudentData(int PageNum)
        {
           // gvStudents.DataSource = null;
            oStudList = new List<student>()
            { 
                new student{roll=1,Name="Srikanta",Dept="MCA"},
                new student{roll=2,Name="Sriram", Dept="MBA"},
                new student{roll=3,Name="Susant",Dept="BA"},
                new student{roll=4,Name="Srikanta1",Dept="MCA"},
                new student{roll=5,Name="Sriram1", Dept="MBA"},
                new student{roll=6,Name="Susant1",Dept="BA"},
                new student{roll=7,Name="Srikanta2",Dept="MCA"},
                new student{roll=8,Name="Sriram2", Dept="MBA"},
                new student{roll=9,Name="Susant2",Dept="BA"},
                new student{roll=10,Name="Srikanta3",Dept="MCA"},
                new student{roll=11,Name="Sriram3", Dept="MBA"},
                new student{roll=12,Name="Susant3",Dept="BA"}
             };
            gvStudents.DataSource = oStudList;
            gvStudents.DataBind();
            gvStudents.PageIndex = PageNum;
            
        }
    }
}

Student.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;

namespace UC_to_UC.LucyJobs
{
    public class student
    {
        public int roll { get; set; }
        public string Name { get; set; }
        public string Dept { get; set; }
    }
}

CustomEventArgs.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;

namespace UC_to_UC
{
    public class CustomEventArgs:EventArgs
    {
        // Declare a Code property of type string:
        int _iPageNum;
        public int PageNum
        {
            get
            {
                return _iPageNum;
            }
            set
            {
                _iPageNum = value;
            }
        }
    }
}
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