My web page looks like this
name(textbox1)
email(textbox2)
age(textbox3)
phoneno(textbox4)
submit(button) showfile(hyperlink)
How can I get the values of textboxes saved in "showfile" web page after onclick in the submit button? Can anyone help me?
Update - based on the OP's comments, i have updated my answer
To pass a value between to pages, try this
In the first page button click event handler, write something like this
Session["Name"] = textBox1.text;
then go to the page where you want to display
In the design page add a asp.net Label control like this
<asp:Label ID="lblName" runat="server" Text=""></asp:Label>
and in the page load event handler or whatever event you want to display the text previously stored in the session write the following code
lblName.Text = Convert.ToString(Session["Name"]);
I don't think you can use textbox1 as id for more than one TextBox in your asp.net page, any way you can simply use textbox1.Text property to get the text you wanted
You can't make multiple controls with same id.So Change them to textbox1,textbox2,...After you can take value from the textboxes on button click event like textbox1.text,textbox2.text..etc
it depend on your controllers type.
let me correct you . you want to get the value of the textboxes when user click on the button.but if you want to get the value of these textboxes in client side use the jquery in a script tag :
<script>
$("input[type=submit]").click(function(){
//it return the value of first textbox
$("input[type=text]")[0].val()
});
</script>
but if these textboxes are server side controllers use can set an id for each and use this code :
this.textbox1.Text
try to ask better question if you did not get you answer.
You can access it in button Click event like
string name=Textbox1.text;
string email=Textbox2.text;
decimal Age=Convert.ToDecimal(Textbox3.text);
string phoneNo=Textbox4.text;
Related
I have an onclientclick event going on in the gridview rows, but I want to call a serverside method when I click anywhere on a row. How can I accomplish this WITHOUT the use of an extra column + select button + onselectedindexchanged?
Thank you
I'm not sure what exactly you are trying to accomplish here but I don't think you need to use a grid view event at all. I'm assuming you are going to use some javascript to handle the click anywhere on a row correct? You could put an asp link button in one of the existing columns using CSS to hide it so it's not visible. Then have your javascript click the button. Then the link button can have it's own backing method like normal.
You might want to have the link button do a command instead of an onClick so you can pass a command argument of the row index or data item Id.
Would that handle your situation?
I dont think there is any event you can use as it is.
You may want to Write a custom function in javascript/JQuery to post to your URL.
Add a button with a server side button click handler. If you don't want it visible, use css to hide it (display: none;). You can then wire up a client side click handler on <tr> for your GridView table and have it trigger the button's click event.
Button in your grid view:
<asp:LinkButton runat="server" CssClass="row-button" OnClick="ServerSideClickHandler" Text="Click me"/>
Css to hide your button:
.row-button { display: none; }
Client side handler using jQuery:
$(document).ready(function() {
$("tr").click(function() {
$(".row-button", this).click();
});
});
I have this in the
<asp:TextBox ID="svv" OnClick="this.value=''" runat="server">Hello...</asp:TextBox>
OnClick="this.value=''" // On mouse click in textbox it will deleted the text.
How can I set something like
Unclick"this.defautlvalue"; // something like this.
So, when I click the control it will clear the value, if I exit from the control (for example, clicking another textbox) it will return the default value of the textbox.
Thanks
Specifically with C# .NET WebForms you have a few options.
You can go completely front-end with jquery by doing something like this:
$('selector').blur(function() {
// Make sure you do some validation so it doesn't clear everytime
$('selector').val('My Default Text');
});
Or, if you are using the AJAX Control Toolkit, you can simply use The textbox Watermark Control, which will do exactly what you are talking about just by setting a few properties.
You can also go straight javascript like #m.edmondson explain in his answer.
I think you're looking for onBlur:
<input type="text" id="fname" onblur="upperCase()">
This will call upperCase() when the user leaves the box.
You can attach to the client-side onblur event which is called when the focus of your control changes.
Also worth storing the default value in an attribute on the input so you can refer to it in blur event. Believe in ASP.NET web forms you've got to add that attribute in the code-behind though.
In my asp.net web page, there are a few of buttons and checkboxs. They all can cause postback.
Can I detect which control is clicked? Because I will add code for if clicked a button then do something.
I saw that some examples are done with Jquery.
Can we just do it in C#?
Thanks.
Why are you not just using the click behavior of the button:
ASPX
<asp:Button id="Button1"
Text="Click here for greeting..."
OnClick="GreetingBtn_Click"
runat="server"/>
CS
void GreetingBtn_Click(Object sender,EventArgs e)
{
}
reference here
You could check Request.Form["_EVENTTARGET"] for the control that generated the postback
well if each of the buttons submit a key value to the post or get parameters, and theyre all different it should be pretty easy! :)
localhost/home.html?button=clicked&link=selected
the above is an example of a get parameter url, you can use jquery to get those, or if its a post you would have access to them in a similar way...the previous page would have to have been a form though.
You could eventually do it by checking Request.Form["_EVENTTARGET"] but that is highly unusual and certainly not necessary.
Whatever you need to do, you can do it in the Click event handler of the given control.
You can set a server hidden control specifying the action (checkbox/textbox/button clicked) using javascript & retrieve that server control in page load to check its action & add your code for that action
I have a form in asp.net webpage which contains 2 drop down lists and a hyperlink + a button.
I want that if user changes an option is dropdowns to change navigate url.
I have done like so:
<asp:DropDownList ID="ddlPackages" AutoPostBack ="true" runat="server"
onselectedindexchanged="ddlPackages_SelectedIndexChanged"></asp:DropDownList>
and then I have the method defined.
The point is that I don't want to make a submit when I change the drop down. Can I do it using only aspx or I have to use javascript?
If I understand you correctly you want to change the href of the hyperlink based on the selected value of the dropdown. You can do this with javascript. Make sure you have AutoPostBack="false" and remove the OnSelectedIndexChanged attribute as well.
To do it using jQuery, use something like this:
<script type="text/javascript>
$(function(){
var $dropdown = $('#<%= ddlPackages.ClientId %>');
$dropdown.change(function(){
//Put logic to decide the link here based on the select value
var newPage = 'page' + $dropdown.val() + '.aspx';
$('#linkId').attr('href', newPage);
});
});
</script>
Edit:
In case you absolutely must have the logic for getting the new url based on the drop down value on the server side, you can turn the method into a Page Method and call it using ajax from the jQuery script above. But you can probably get away with creating the javascript dynamically in the aspx page instead.
I see two options:
1) Wrap the controls in an Update Panel (.NET 3+). Put AutoPostBack=true on the dropdownlist, and define a SelectedIndexChange event for it that changes the hyperlink control's Navigate URL property. When the user changes the dropdown, you're method will fire without the APPEARANCE of a form submission. Downside: there's a slight delay between the dropdown changing and the link changing. If your server is really, really slow, this delay could potentially cause problems (but this is probably unlikely).
2) Use custom JavaScript and do away with your .NET controls completely. This is what I would probably do, assuming you don't need to do anything else with these controls programatically. Your JavaScript function would monitor the dropdown for a SelectedINdexChange and adjust the href attribute of the anchor tag accordingly. Look into jQuery to speed up development if you aren't too familiar with plain JavaScript.
If the control is an ASP:DropDownList, you can use the AutoPostBack="True|False" property to prevent a postback
If you don't want to use the AutoPostBack you have to post the form using jQuery or Javascript
You can add an event on your drop down list onchange and add the code you need to post the form usin jQuery:
$('#formId').submit();
http://api.jquery.com/submit/
If you to want navigate to another Url add the below code at your DropDownList control (make sure AutoPostBack=false)
onchange="window.location.href='yourUrl'"
it would be better put that Javascript on a separate file anyway
I got this Text box with default value as "First Name" ..Now when I click inside this text box to enter name , this value "First Name" keeps on displaying. What I want is to the text box to clear as soon as I click inside it. What property do I need to set in mt textbox tag ?
[Edit]
ok anything from Telerik that I can use to do that ?
There is not out of the box functionality in TextBox that will accomplish this, but the ASP.Net Ajax Toolkit has a Watermark Extender that will do everything you want.
I have used both, but now personally use a jQuery Watermark Plugin
Either will work just fine, choose based on your needs.
According to the Telerik docs you just have to set the EmptyMessage property on their TextBox control. Demo Page Here
In the code behind, on Page Load you can add the following code to achieve this
TextBox1.Attributes.Add("onClick", "javascript:if(this.value=='First Name'){this.value='';}");
You can use the method suggested by #Josh. If you do not want to use Ajax Toolkit controls or JQuery you could write it on your own using Javascript. Write a function which gets called when the foucs is received by the textbox control. I thik the function is called onfocus or just focus in Javascript.
Hi I just wrote this small function which will achieve your desired result
function clearInputBox(x,prefil){
if(x.value == prefil){
x.value = '';
}
}
Your input box looks like this
<input type='text' value='First Name' onfocus="clearInputBox(this,'First Name')" />
May be this will help you
Taking Shobans advice one step farther, you could add something like this to your Page subclass
protected override void OnInitComplete(EventArgs e)
{
string jsString = "javascript:if(this.value=='" + TextBox1.Text + "'){this.value='';}";
TextBox1.Attributes.Add("onFocus", jsString);
base.OnInitComplete(e);
}
What this will do is, it will always consider that default string is the one this controll contains at esign time (the initial one in your .aspx file), so you wont have to manually change it in codebehind every time you change your .aspx. Remember, that OnIinitComplete fires before any viewstate or postback data has been applied, but after the controlls on your page have been set to their default values.
P.S. As anishMarokey pointed, use onFocus vs onClick, since fields can gain focus without clicks via Tab key.