Javascript - Enhance A Composite Control's Client Side, My Approach Is To Recreate All Method On JavaScript?
Aug 30, 2010
I want to enhance a composite control's client side, my approach is to recreate all method on JavaScript, so here I have some troubles:Can I call onclick event on client side otherwise on server side?the statement table.onclick=SelectRow(event) fires a bug!Code:
function Control_Init() {
if( !(document.getElementById) ) { return; }
for( var i = 0; i < Controls.length; i++ ) {
[code]...
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Aug 30, 2010
I want to enhance a composite control's client side, my approach is to recreate all method on JavaScript, so here I have some troubles :
1) Can I call onclick event on client side otherwise on server side ?
2) the statement table.onclick=SelectRow(event) fires a bug !
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Nov 23, 2010
I have a user control which contains a CustomValidator which is used according to whether a RadioButton is checked or not (there are several RadioButtons, I'm only showing the relevant one)
<asp:RadioButton runat="Server" ID="RadioBetween" GroupName="DateGroup" CssClass="date_group_options_control_radio" />
[code]...
There is some client + server side validation code (the server side code does exactly the same thing and is skipped for brevity)
<script type="text/javascript">
function ValidateDateFields_Client(source, args) [code]...
There are two instances of this control in the page. When running the client side version it hits the wrong one (the version of the control which is disabled). You can see from the generated HTML both are correctly specified. I'm not sure how .NET works out which clientside function to call given they both have the same name.
<script type="text/javascript">
//<![CDATA[
var ctl00_MCPH1_QueryTextValidator = document.all ? document.all["ctl00_MCPH1_QueryTextValidator"] : document.getElementById("ctl00_MCPH1_QueryTextValidator");
[code]...
Do i need to add something in to scope it? What's the best way to achieve this? If I disable the loading of the second control everything works fine.
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Feb 28, 2011
Maybe I've picked a totally inappropriate/bad example. What I have is a user control that contains a bunch of dynamically created Telerik RadGrids. My user control is added to a couple of Telerik RadPageViews that are part of a RadMultiPage that is used alongside a RadTabStrip. What I need to do is call a Javascript function in my usercontrol to update it's display whenever it's parent RadPageView is selected.
So basically I have the following Javascript code:
function OnClientTabSelected(sender, args)
{
// Get the MyControl that is on this tab
var myControl = $find("whatever");
// Call a method that updates the display
myControl.doSomething();
}
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Jan 24, 2010
I am using ajax tab control,is there anyway to switch from tab1 to tab2 on client click of any element?
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Jan 3, 2010
I have a javascript to enable text boxes when called, I want to trigger this code when a user picks value "Custom" from a dropdownlist, so that I can display/Hide these new textboxes.
function setVisibility(DropDownListID) {
var element = document.getElementById(DropDownListID);
var element1 = document.getElementById("TestBox1");
if (element.value == "Custom") {
element1.visible = !element1.visible ;
}
<asp:DropDownList ID="DateRangeDropDownList" runat="server" Enabled="True" onChange="setVisibility('DateRangeDropDownList');">
<asp:ListItem>Some Value</asp:ListItem>
<asp:ListItem>Custom</asp:ListItem>
</asp:DropDownList>
<asp:TextBox ID="TestBox1" runat="server"></asp:TextBox>
For some reason it doesn't seem to work.
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Feb 9, 2011
I have to implement the print functionality on aspx page like on click of print image icon user will be able to get the print out of aspx page .aspx page will contain the server controls like textboxes , Gridview etc which one approach will be the best server side or client side printing ?
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Dec 9, 2010
I have a requirement of adding server side variables in client side and other way round. Because I need to set a value from client side using javascript and access the same in code behind page.
I have to use C#.Net and JavaScript.
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Feb 11, 2011
I have a list of items on an ASP.net page. That list is selectable in that whenever the user clicks on one, the page does a postback and the server code stores the index or some unique identifier of the picture in a ViewState property indicating that it is currently selected.
I would like to minimize the load on the server and therefore I would like to store the index or unique identifier representing the image in some way on the client side. The best way I can think to do this is to store said information in a hidden field ), however I had two questions about this before I go crazy:
Is this a security risk in any way, shape or form (i.e., exposing implementation details of the page)?
Is there a better/best way to do this that is more industry-standard? Does ASP.net provide a framework to do this that is cleaner than my idea? Seems like this would be a fairly common requirement to me...
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Sep 14, 2010
Possible Duplicates: how to call server side function from client side - asp.net Calling ASP.NET Code Behind function from Javascript Calling ASP.NET server side method via JQuery While loading an aspx page, how is it possible to call a server side method with the client side code?Can u show one example?
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Feb 11, 2011
I have two comboboxes and would like pass selected value and text to the server method (RadComboBoxItemsRequestedEventArgs) when the first combobox selected index changed.
Here is my code. But I am getting Javascript error message at this line. RadComboBox2.requestItems(item, false).
[code]....
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Mar 7, 2010
I'm working on developing a custom control to select items from a predefined list. This is accomplished via 2 ASP.NET ListBox controls, with a few buttons to trigger the movement of ListItems from one ListBox to the other (lets call these ListBoxes lstSelected and lstDeselected).
This is easy enough to do in ASP.NET or JavaScript independently: I have both working. However, if modifications are made via JavaScript, ASP.NET retains no knowledge of this. Is there any way to register the creation of of options in a select tag without AJAX?
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Mar 20, 2010
I've got a function I wrote quite some time ago that works fine, but I'd like to speed up the process and lessen server load by doing the same job in Javascript.I seem to be able to GET textbox values ok, but I can't seem to SET textbox values (I'm'-a JS noob). Can anyone lend a hand in converting my VB.NET code to it's JS equivalent?
Protected Sub txtSellingPrice_TextChanged(ByVal sender As Object, ByVal e As EventArgs) _
Handles txtSellingPrice.TextChanged
Dim SellingPrice As Double = Double.Parse(txtSellingPrice.Text.Replace("$", ""))
[code]...
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Mar 24, 2011
I want to ask how to get the value of var title :
From this code :
protected void btnSubmit_Click(object sender, EventArgs e)
{
string script = "var title = $('.rsApt').attr('title');";
ClientScript.RegisterStartupScript(GetType(),"popup", script, true);
}
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Jul 8, 2010
Is there a way (except for using JS on the html view) to tell asp.net to run a certain code on client side (instead of server side)?
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Jan 14, 2010
how to get page HTML at client side or through javascript in Asp.net Application. Means if I want to get the html of http://www.yahoo.com on client side through javascript or any other
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Feb 2, 2011
I have a webform that has a lot of controls and a submit button. When a user submits clean data, there is an asp.net label control that displays a "form submitted successfully" message. My problem is that after this successful submission, if the same user enters some invalid value for some fields on the same form and clicks on the submit button, the page still displays the success message along with the asp.net error message for that field (By using the asp.net validation control). My question is how do I get rid of the success message in this scenario? (In this case all I want to display is the client side validation error message). I am not that familiar with javascript.
<asp:Button ID="btnAddActivity" Text="Add Activity" runat="server" onclick="btnAddActivity_Click" ValidationGroup="vgSetup" OnClientClick=" return changeLabel();"/>
<asp:Label ID="lblMessage" visible="false" ForeColor="red" runat="server"></asp:Label>
function changeLabel()
{
document.getElementById('<%= lblMessage.ClientID %>').innerHTML = "";
return;
}
Here is the markup for the label and button .I tried calling a javascript function on the OnClick event .This disables the success message, but the validation error messages are displayed after a post back.I want to display the validation error messages without a post back.
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Feb 25, 2011
In my application I want to open a file that exists on a client machine. I created two applications: desktop and web application. When the user installs the desktop application there are some files which is copied to its installation path, and I want to open those files from my web application via javascript.
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May 3, 2010
I need to call a c# server method through the javascript. I have a gridview in which i have a column with dropdown list. When i change the dropdown's value i need to call a server side method through javascript and change the value of another text box in the gridview.
I am able to do this on the selected index change. but i am slightly worried about the performance.
i am using asp.net c#.
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Mar 9, 2011
I have a tricky problem. I am in a situation where I need to use a method defined in a .cs file from a javascript function. The problem is we are using .NET 1.1 and AJAX cannot be used for the application.
Also, I will need to pass a string from the javascript to the server side method. The page where I am implementing the javascript is a .as
I have tried doing a post back and creating a RaisePostBack event handler method (both in the .aspx page and the .ascx user control) but no luck.
The javascript is called from a span's onclick event. The javascript function's input parameter would be a string which I will need to use to instantiate an Attachment.
I created a method which instantiates an Attachment using a string and calls the corresponding Delete() method for the Attachment object.
Now, I will need to pass the string from javascript function to the method I have created. I cannot use PageMethods.
The Javascript function is like:
[code]....
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Dec 9, 2010
getting a particular datatable values from the server to the client using javascript.
Ex.In my class which is Countries.aspx.cs I have this somewhere on my code say on the page load.
DataTable dtbCountries = Repository.GetAllCountries;
my dtbCountries now contains this record
ID Country
1 HongKong
2 Japan
3 Korea
In my webform I want to get the values of my dtbCountries using javascript
<script type="text/javascript">
// my code here to get the dtbCountries values
</script>
What should I do? Or what's the best thing to do to expose my dtbCountries in the client.
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Mar 29, 2011
I have an asp.net web for with a few Validation controls on:
[code]....
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Jan 17, 2011
I have a gridview with a template field of check boxes.I have my rows color coded in BLUE color in the gridview based on a database value on page load.Now I want a button on the page to loop through the gridview and select the the checkbox for the rows that are in BLUE Color without a post back.
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May 20, 2010
The error message that gets added to the validation summary when the form is invalid I need to get access to in client-side JavaScript. How do you access the actual message? My page doesn't have a ValidationSummary present, and Page_Validators[0].errormessage is *. Where is the message?
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Oct 19, 2010
I want to check page validation on client side, like Page.Validate() but its server side method, is there any client side function which can work like Page.Validate() with javascript.
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