Aspdotnet.Sunil Kumar: August 2014

Thursday, August 14, 2014

Prevent Copy Paste Url In Asp.net

-------Write Code in Master Page-----------

using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using System.Web.UI;

using System.Web.UI.WebControls;

public partial class Admin : System.Web.UI.MasterPage

{

protected void Page_Load(object sender, EventArgs e)

{

if (!Request.FilePath.Contains("Default"))

{

string strPreviousPage = "";

if (Request.UrlReferrer != null)

{

strPreviousPage = Request.UrlReferrer.Segments[Request.UrlReferrer.Segments.Length - 1];

}

if (strPreviousPage == "")

{

Response.Redirect("Default.aspx");

}

Disable Browser back Button In Asp.net

-------Write Code in Master Page-----------

<%@ Master Language="C#" AutoEventWireup="true" CodeFile="Admin.master.cs" Inherits="Admin" %>

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

function DisableBackButton() {

window.history.forward()

}

DisableBackButton();

window.onload = DisableBackButton;

window.onpageshow = function (evt) { if (evt.persisted) DisableBackButton() }

window.onunload = function () { void (0) }

</script>

<asp:ContentPlaceHolder id="head" runat="server">

</asp:ContentPlaceHolder>

</head>

<body>

<div>

<asp:ContentPlaceHolder id="ContentPlaceHolder1" runat="server">

</asp:ContentPlaceHolder>

</div>

</form>

</body>

</html>

Monday, August 11, 2014

Autocomplete Input In TextBox Using Asp.net

Discription

Enables users to quickly find and select from a pre-populated list of values as they type, leveraging searching and filtering.

The Autocomplete widgets provides suggestions while you type into the field. Here the suggestions are Fruit for Fruit Name, give "a" (for Apple or Grapes) a try

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

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

<title>jQuery UI Autocomplete</title>

$(function () {

var fruitname = [

"Mango",

"Apple",

"Grapes",

"Banana",

"BeetRoot",

"Carrot",

"Chery",

"Date",

"Guava",

"Kiwi Fruit",

"Water Melon",

"Orange",

];

$("#fruit").autocomplete({

source: fruitname

});

</script>

</head>

<body>

<asp:Label ID="lblname" runat="server" Text="Fruit"></asp:Label>

<asp:TextBox ID="fruit" runat="server"></asp:TextBox>

</div>

</form>

</body>

</html>

Saturday, August 09, 2014

JQuery User Interface(UI) Accordion Example

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

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

<title>jQuery UI Accordion Example</title>

$(function () {

$("#accordion").accordion({

heightStyle: "fill"

});

</script>

#accordion-resizer

{

width: 450px;

height: 220px;

font-size:10px;

font-family:Arial;

}

</style>

</head>

<body>

<div>

<p>Welcome to Aspdotnet.Sunil Kumar

Welcome to Aspdotnet.Sunil Kumar

</p>

</div>

<h3>ABOUT</h3>

<div>

<p>This Blog offers Asp.net,C#.net,SQL Server,Web Services,WCF,WPF,MVC,

Crystal Reports,AJAX,JavaScript,JQuery,Gridview articles,code examples of asp.net.

</p>

</div>

<h3>CONTACT</h3>

<div>

<p>Welcome to Sunil Kumar

Welcome to SUNIL Kumar

</p>

<ul>

<li>List item three</li>

</ul> </div>

<h3>ADVERTISE</h3>

<div>

<p>This blog gets updated considering the .net programmers including the newbies as well as the advance developers.

</p>

<p>This blog gets updated considering the .net programmers including the newbies as well as the advance developers.

</p>

</div>

</body>

</html>

How to Show Large Image Preview when Hover on Link In Asp.net Using JQuery

Description

Now I will explain how to show large image preview when hover on link or image using JQuery in asp.net.

To implement this concept first create new web application >> Right click on your application >> SelectAdd New Folder and Give name as Image >> Once folder created place some images in folder to show preview of images when hover on link using JQuery in asp.net.

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

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

</script>

$(document).ready(function () {

ShowImagePreview();

});

// Configuration of the x and y offsets

function ShowImagePreview() {

xOffset = -20;

yOffset = 40;

$("a.preview").hover(function (e) {

this.t = this.title;

this.title = "";

var c = (this.t != "") ? "<br/>" + this.t : "";

$("body").append("<p id='preview'><img src='" + this.href + "' alt='Image preview' />" + c + "</p>");

$("#preview")

.css("top", (e.pageY - xOffset) + "px")

.css("left", (e.pageX + yOffset) + "px")

.fadeIn("slow");

function () {

this.title = this.t;

$("#preview").remove();

});

$("a.preview").mousemove(function (e) {

$("#preview")

.css("top", (e.pageY - xOffset) + "px")

.css("left", (e.pageX + yOffset) + "px");

});

};

</script>

#preview{

position:absolute;

border:3px solid #ccc;

background:#333;

padding:5px;

display:none;

color:#fff;

box-shadow: 4px 4px 3px rgba(103, 115, 130, 1);

}

</style>

</head>

<body>

<div>

<asp:DataList ID="Datalist1" runat="server" RepeatColumns="4" CellPadding="5">

<asp:HyperLink ID="HyperLink1" class="preview" ToolTip='<%#Bind("Name") %>' NavigateUrl='<%# Bind("Name", "~/Image/{0}") %>' runat="server">

<asp:Image Width="100" ID="Image1" ImageUrl='<%# Bind("Name", "~/Image/{0}") %>' runat="server" />

</asp:HyperLink>

</ItemTemplate>

<ItemStyle BorderColor="Brown" BorderStyle="Solid" BorderWidth="1px" HorizontalAlign="Center"

VerticalAlign="Bottom" />

</asp:DataList>

</div>

</form>

</body>

</html>

using System;

using System.IO;

using System.Collections;

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

{

protected void Page_Load(object sender, EventArgs e)

{

if (!IsPostBack)

{

BindData();

}

protected void BindData()

{

DirectoryInfo dir = new DirectoryInfo(MapPath("image"));

FileInfo[] files = dir.GetFiles();

ArrayList listItems = new ArrayList();

foreach (FileInfo info in files)

{

listItems.Add(info);

}

Datalist1.DataSource = listItems;

Datalist1.DataBind();

}

Friday, August 08, 2014

How To Find Name Of The Day from Date In Asp.net

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.Drawing;

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

{

protected void Page_Load(object sender, EventArgs e)

{

DateTime dt = new DateTime(2014, 8, 8);

Response.Write(dt.ToString("dddddddddd"));

}

How To Evaluate Mathematical/Arithmatic Expression string Expression In asp.net

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

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

</head>

<body>

<div>

<legend>Evaluate String Arithmetic Expression</legend>

<asp:TextBox ID="TxtEquation" runat="server"></asp:TextBox>

<asp:Button ID="BtnCalculate" runat="server" Text="Calculate"

onclick="btnCalculate_Click" />

<asp:Button ID="btnReset" runat="server" Text="Reset"

onclick="btnReset_Click" />

<br />

<asp:Label ID="lblResult" runat="server" Text=""></asp:Label>

</fieldset>

</div>

</form>

</body>

</html>

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.Drawing;

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

{

protected void Page_Load(object sender, EventArgs e)

{

}

private object EvaluateExpression(string Equation)

{

DataTable dt = new DataTable();

var Result = dt.Compute(Equation, string.Empty);

return Result;

}

protected void btnReset_Click(object sender, EventArgs e)

{

TxtEquation.Text = "";

TxtEquation.Focus();

}

protected void btnCalculate_Click(object sender, EventArgs e)

{

try

{

var Result = Convert.ToString(EvaluateExpression(TxtEquation.Text.Trim()));

lblResult.Text = " Your Result" + Result;

lblResult.ForeColor = Color.Blue;

}

catch (Exception ex)

{

lblResult.Text = "Ooops!" + ex.Message.ToString();

lblResult.ForeColor = Color.Red;

}

Aspdotnet.Sunil Kumar

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Thursday, August 14, 2014

Prevent Copy Paste Url In Asp.net

Disable Browser back Button In Asp.net

Monday, August 11, 2014

Autocomplete Input In TextBox Using Asp.net

Saturday, August 09, 2014

JQuery User Interface(UI) Accordion Example

How to Show Large Image Preview when Hover on Link In Asp.net Using JQuery

Friday, August 08, 2014

How To Find Name Of The Day from Date In Asp.net

How To Evaluate Mathematical/Arithmatic Expression string Expression In asp.net

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