How can I change culture when the use click on a button?

How can I change culture when the use click on a button? - c#

I've created two resources files inside a folder. And I'm using each on of them as language resource for my website.
inside the Global.asax I've used the following code to change the language:
protected void Application_AcquireRequestState(object sender, EventArgs e)
{
string culture = "en";
Thread.CurrentThread.CurrentCulture = CultureInfo.GetCultureInfo(culture);
Thread.CurrentThread.CurrentUICulture = CultureInfo.GetCultureInfo(culture);
}
The issue is that, every time I want to change the language I have to access the code above and change the culture value.
Is there anyway to accomplish that with Button click event ?

For using buttons to switch languages, you could try to refer to the following methods and codes.
The project structure is as follows:
Page1.aspx.resx:
Page1.aspx.ku.resx:
Page2.aspx.resx:
Page2.aspx.ku.resx:
The code of Page1.aspx:
<%# Page Language="C#" AutoEventWireup="true" CodeBehind="Page1.aspx.cs" Inherits="Language.Page1" %>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:Label ID="Label1" runat="server" Text="English" Width="80px"></asp:Label>
<asp:Button ID="Button2" runat="server" Text="en-us" OnClick="Button2_Click" />
</div>
<p>
<asp:Label ID="Label2" runat="server" Text="Kurdish" Width="80px"></asp:Label>
<asp:Button ID="Button3" runat="server" Text="ku" OnClick="Button3_Click" />
</p>
<p>
<asp:Button ID="Button1" meta:resourceKey="Button1" runat="server" Text=" Hello" />
</p>
</form>
</body>
</html>
The code of Page1.aspx.cs:
using System;
using System.Globalization;
using System.Threading;
namespace Language
{
public partial class Page1 : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
protected override void InitializeCulture()
{
if (Session["lang"] != null)
{
Culture = Session["lang"].ToString();
UICulture = Session["lang"].ToString();
Thread.CurrentThread.CurrentCulture = CultureInfo.CreateSpecificCulture(Session["lang"].ToString());
Thread.CurrentThread.CurrentUICulture = CultureInfo.CreateSpecificCulture(Session["lang"].ToString());
base.InitializeCulture();
}
}
protected void Button2_Click(object sender, EventArgs e)
{
Session["lang"] = Button2.Text;
Response.Redirect("Page1.aspx");
}
protected void Button3_Click(object sender, EventArgs e)
{
Session["lang"] = Button3.Text;
Response.Redirect("Page1.aspx");
}
}
}
The code of Page2.aspx:
<%# Page Language="C#" AutoEventWireup="true" CodeBehind="Page2.aspx.cs" Inherits="Language.Page2" %>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:Label ID="Label1" runat="server" meta:resourcekey="Label1" Text="ok"></asp:Label>
</div>
</form>
</body>
</html>
The code of Page2.aspx.cs:
using System;
using System.Globalization;
using System.Threading;
namespace Language
{
public partial class Page2 : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
protected override void InitializeCulture()
{
if (Session["lang"] != null)
{
Culture = Session["lang"].ToString();
UICulture = Session["lang"].ToString();
Thread.CurrentThread.CurrentCulture = CultureInfo.CreateSpecificCulture(Session["lang"].ToString());
Thread.CurrentThread.CurrentUICulture = CultureInfo.CreateSpecificCulture(Session["lang"].ToString());
base.InitializeCulture();
}
}
}
}

Related

Session_start not running

I have just started teaching myself dotNet with C# and have hit a problem. Basically I have a variable that I want initialised when the page is first loaded. I have tried to use Session_Start to do this. However when I put a breakpoint at that point, it never seems to get there.
What I am not understanding?
C#
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
public partial class _Default : System.Web.UI.Page
{
int numTries;
protected void Session_start(object sender, EventArgs e)
{
numTries = 3;
}
protected void CheckNum_ServerClick(object sender, EventArgs e)
{
if (numTries>0)
{
numTries--;
}
}
protected void Page_Load(object sender, EventArgs e)
{
Answer.InnerText = "You have "+numTries.ToString()+" changes left.";
}
}
HTML
<%# Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
</head>
<body>
<form id="form1" runat="server">
<div>
Guess a number between 1 & 100
<input type="text" id="Guess" runat="server" />
<br /><br />
<input type="submit" value="OK" id="CheckNum" runat="server" onserverclick="CheckNum_ServerClick" />
<br /><br />
<p id="Answer" runat="server"></p>
</div>
</form>
</body>
</html>
I am using Visual Studio Community 2013

ScriptManager.RegisterStartupScript not triggered second time inside updatepanel

My aspx page
<span>
<asp:UpdatePanel ID="upPlayBtn" runat="server" >
<ContentTemplate>
<asp:Button runat="server" id="btn" Text="Play" OnClick="btnPlay" />
</ContentTemplate>
</asp:UpdatePanel>
</span>
<script type="text/javascript">
function OpenPlayerWindow() {
OpenPlayWindow("<%=PlayLink%>");
}
function OpenPlayerWindowForError() {
alert("Please check after sometime. Thanks!")
}
</script>
My CS page
protected void btnPlay(object sender, EventArgs e)
{
if(condition)
ScriptManager.RegisterStartupScript(upPlayBtn, upPlayBtn.GetType(),"tabs", "OpenPlayerWindow();", true);
}
else
{
ScriptManager.RegisterStartupScript(upPlayBtn, upPlayBtn.GetType(), "tabs", "OpenPlayerWindowForError();", true);
}
}
When I click the "Play" button for first time, OpenPlayerWindow() or OpenPlayerWindowForError() opens accoding to the condition. And if I click the button again, "btnPlay" is called but not any of JS function.
If I refresh the page, it works perfect again.

<span>
<asp:UpdatePanel ID="upPlayBtn" runat="server" >
<ContentTemplate>
<asp:Button runat="server" id="btn" Text="Play" OnClick="btnPlay" />
<script type="text/javascript">
function OpenPlayerWindow() {
OpenPlayWindow("<%=PlayLink%>");
}
function OpenPlayerWindowForError() {
alert("Please check after sometime. Thanks!")
}
</script>
</ContentTemplate>
</asp:UpdatePanel>
</span>

I am not able to write this code in comments hence I am writing this as an answer. The following is the code which I have with me. Please copy-paste it in a separate project and try if it works.
Also if I am not replicating this issue properly(not written the code correctly) then please comment.
If the code is okay with you and if it works on a separate project then there probably is a problem in some other code which is not shown in your question.
aspx
<%# Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm2.aspx.cs" Inherits="Practice_Web.WebForm2" %>
<!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">
<asp:ScriptManager ID="ScriptManager1" EnablePageMethods="true" runat="server">
</asp:ScriptManager>
<div>
<span>
<asp:UpdatePanel ID="upPlayBtn" runat="server">
<ContentTemplate>
<asp:Button runat="server" ID="btn" Text="Play" OnClick="btnPlay" />
</ContentTemplate>
</asp:UpdatePanel>
</span>
<%--It works if I keep the script here also--%>
</div>
</form>
</body>
<script type="text/javascript">
function OpenPlayerWindow() {
alert("Thanks!");
}
function OpenPlayerWindowForError() {
alert("Please check after sometime. Thanks!");
}
</script>
</html>
aspx.cs
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
namespace Practice_Web
{
public partial class WebForm2 : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
//This is just to simulate the condition part of the original code
if (Session["condition"] == null)
Session["condition"] = false;
else
Session["condition"] = !Convert.ToBoolean(Session["condition"]);
}
protected void btnPlay(object sender, EventArgs e)
{
bool condition = Convert.ToBoolean(Session["condition"]);
if (condition)
{
ScriptManager.RegisterStartupScript(upPlayBtn, upPlayBtn.GetType(), "tabs", "OpenPlayerWindow();", true);
}
else
{
ScriptManager.RegisterStartupScript(upPlayBtn, upPlayBtn.GetType(), "tabs", "OpenPlayerWindowForError();", true);
}
}
}
}

try below code
protected void btnPlay(object sender, EventArgs e)
{
if(condition)
ScriptManager.RegisterStartupScript(this, GetType(),"tabs", "OpenPlayerWindow();", true);
}
else
{
ScriptManager.RegisterStartupScript(this, GetType(), "tabs", "OpenPlayerWindowForError();", true);
}
}

problem sending value from jquery modal popup to parent

below is my code
Can you tell me how to send label1.text on this page to product.aspx and update label1.text ???
product.aspx
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
<link href="styles/modal-window.css" type="text/css" rel="stylesheet" />
<script type="text/javascript" language="javascript" src="scripts/jquery-1.3.2.min.js"></script>
<script type="text/javascript" language="javascript" src="scripts/modal-window.min.js"></script>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:Label ID="Label1" runat="server" Text="0"></asp:Label>
<br />
<asp:Button ID="Button1" runat="server" onclick="Button1_Click"
Text="icrement" />
show popup
</div>
</form>
</body>
</html>
product.aspx.cs code behind
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
public partial class _Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
protected void Button1_Click(object sender, EventArgs e)
{
Label1.Text = (int.Parse(Label1.Text) + 1).ToString();
}
}
viewcart.aspx
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:Button ID="Button1" runat="server" Text="decrement"
onclick="Button1_Click" />
<br />
current value:
<asp:Label ID="Label1" runat="server" Text="Label"></asp:Label>
</div>
</form>
</body>
</html>
viewcart.aspx.cs codebehind
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
public partial class viewcart : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (!Page.IsPostBack)
{
Label1.Text = Request["fn"];
}
}
protected void Button1_Click(object sender, EventArgs e)
{
Label1.Text = (int.Parse(Label1.Text) - 1).ToString();
}
}

You can add an asp:HiddenField control to the page, set its value through javascript and it will be posted back to your codebehind.

The footer CSS does not work when the page loads dynamic content at button click

.html
<%# 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">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
<link href="dark.css" rel="stylesheet" type="text/css" id="stylesheet" />
</head>
<body>
<form id="form1" runat="server">
<div>
</div>
<asp:Button ID="Button1" runat="server" onclick="Button1_Click" Text="Button" />
<asp:Label ID="CaptionLabel" runat="server"></asp:Label>
<asp:TextBox ID="NumberTextbox" runat="server">(empty)</asp:TextBox>
<asp:Button ID="SquareButton" runat="server" Text="Square" style="background-color:Blue; color:White;" />
<asp:Label ID="ResultLabel" runat="server" Text="(empty)" CssClass="reverse"></asp:Label>
<p>
<asp:Label ID="Label1" runat="server" CssClass="footer1"
Text="Label Label Label Label LabelLabelLabel Label Label Label Label Label Label Label"></asp:Label>
</p>
<asp:RadioButton ID="radioDark" runat="server" AutoPostBack="True"
Checked="True" GroupName="grpSelectStylesheet"
oncheckedchanged="SwitchStylesheets" Text="Dark" />
<br />
<asp:RadioButton ID="radioLight" runat="server" AutoPostBack="True"
GroupName="grpSelectStylesheet" oncheckedchanged="SwitchStylesheets"
Text="Light" />
<asp:GridView ID="GridView1" runat="server">
</asp:GridView>
</form>
</body>
</html>
.cs
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
public partial class _Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
protected void SwitchStylesheets(object sender, EventArgs e)
{
if (radioDark.Checked)
stylesheet.Href = "dark.css";
if (radioLight.Checked)
stylesheet.Href = "light.css";
}
protected void Button1_Click(object sender, EventArgs e)
{
int count=DateTime.Now.Second;
for (int i = 0; i < count; i++)
{//for
Label q = new Label();
q.ID = DateTime.Now.Second.ToString();
q.Text = DateTime.Now.Second.ToString();
string spacee = "<br />";
Label space = new Label();
space.Text = spacee;
form1.Controls.Add(q);
form1.Controls.Add(space);
}//for
}
}
When the button is clicked, it works as it should but the footer does not register the expansion of the page.

Your code is completely wrong. you cannot change the stylesheet like this for a control even if the autopostback is set to true.
UPDATE: Here's how you should do it:
1- Remove the .css reference from your page.
2- Add this method to your page:
private void UpdateStylesheet(string filepath)
{
HtmlLink newStyleSheet = new HtmlLink();
newStyleSheet.Href = filepath;
newStyleSheet.Attributes.Add("type", "text/css");
newStyleSheet.Attributes.Add("rel", "stylesheet");
Page.Header.Controls.Add(newStyleSheet);
}
3- Add this line to your page_load event:
UpdateStylesheet("dark.css");
4- Handle the SwitchStylesheets like this:
if (radioDark.Checked)
UpdateStylesheet("dark.css");
if (radioLight.Checked)
UpdateStylesheet("light.css");

Modify form action with javascript

I've got a multiple step webform written in c#/asp.net. I'm trying to change the url that posts back to for google analytics reasons. I've written the code below to change the url on the client side, but it doesn't seem to post to the url with the parameters on the end. Almost like it's being changed back on the client side onsubmit. Any ideas?
<%# Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm1.aspx.cs" Inherits="TestNamespace.WebForm1" %>
<!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 onload="setaction(<%= step %>);">
<form id="form1" runat="server">
<div>
<asp:Label ID="lblCurrentUrl" runat="server"></asp:Label>
<asp:Panel ID="panel1" runat="server">
Panel 1<asp:Button ID="Button1" runat="server" onclick="Button1_Click"
Text="Button" />
</asp:Panel>
<asp:Panel ID="panel2" runat="server" Visible="false">
Panel 2<asp:Button ID="Button2" runat="server" onclick="Button2_Click"
Text="Button" />
</asp:Panel>
<asp:Panel ID="panel3" runat="server" Visible="false">
Panel 3<asp:Button ID="Button3" runat="server" onclick="Button3_Click"
Text="Button" />
</asp:Panel>
<asp:Panel ID="panel4" runat="server" Visible="false">
Panel 4<asp:Button ID="Button4" runat="server" onclick="Button4_Click"
Text="Button" />
</asp:Panel>
</div>
<script language="javascript" type="text/javascript">
function setaction(step) {
var bdy = document.getElementsByTagName("body")[0];
bdy.setAttribute("action", "webform1.aspx?step=" + step);
alert(document.location.href);
}
</script>
</form>
</body>
</html>
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
namespace TestNamespace
{
public partial class WebForm1 : System.Web.UI.Page
{
protected int step;
protected void Page_Load(object sender, EventArgs e)
{
lblCurrentUrl.Text = Request.Url.ToString();
if ( IsPostBack ) return;
step = 1;
}
protected void Button1_Click(object sender, EventArgs e)
{
panel1.Visible = false;
panel2.Visible = true;
step = 2;
}
protected void Button2_Click(object sender, EventArgs e)
{
panel2.Visible = false;
panel3.Visible = true;
step = 3;
}
protected void Button3_Click(object sender, EventArgs e)
{
panel3.Visible = false;
panel4.Visible = true;
step = 4;
}
protected void Button4_Click(object sender, EventArgs e)
{
}
}
}

It looks like you're setting the action on the body, rather than the form. Unless I'm missing something, you should be able to fix the problem like so:
function setaction(step) {
var frm = document.getElementsByTagName("form")[0];
frm.setAttribute("action", "webform1.aspx?step=" + step);
alert(document.location.href);
}

We Keep Coding

C# (C-Sharp) is a programming language developed by Microsoft that runs on the .NET Framework.

How can I change culture when the use click on a button? - c#

Related

Session_start not running

ScriptManager.RegisterStartupScript not triggered second time inside updatepanel

problem sending value from jquery modal popup to parent

The footer CSS does not work when the page loads dynamic content at button click

Modify form action with javascript

Categories

Resources