Access Server Side DataTable To Javascript In MVC 3.0?

Feb 1, 2011

How can I access the DataTable created server side in mvc 3.0 in javascript. I want the data in jqgrid so i need the DataTable in javascript.

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Access Server Side Variable On Client Side And Vice Versa And JavaScript?

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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Moving Items Between ListBoxes Using JavaScript, Then Access Results On Server Side?

Feb 4, 2011

I am having a lot of trouble with a seemingly simple thing. In an ASP.NET webform I have two ListBoxes, with Add and Remove buttons in between. The user can select items in one ListBox and using the buttons, swap them around. I do this on the clientside using javascript. I then also have a SAVE button, which I want to process on the server side when the user is happy with their list.

Problems : First I was getting the following problem when I clicked SAVE :

Invalid postback or callback argument. Event validation is enabled using in configuration or <%@ Page EnableEventValidation="true" %> in a page. For security purposes, this feature verifies that arguments to postback or callback events originate from the server control that originally rendered them. If the data is valid and expected, use the ClientScriptManager.RegisterForEventValidation method in order to register the postback or callback data for validation. I read that one of the methods to get around this was to put my ListBoxes into an UpdatePanel, which I did, and I am getting further.

However, now the event handler for the button's Click event is not being run if the user has used the clientside javascript to alter the contents of the Listboxes. If the user has not altered the contents of the listboxes, the handler does execute.

[code]....

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C# - Getting DataTable Values From Code Behind To Client Side Using JavaScript

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
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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
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What should I do? Or what's the best thing to do to expose my dtbCountries in the client.

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How to access the datatable in javascript....

I need to fill the datatable at client side.. and when ever the button is clicked the datas in the datatable is passed to server , and then updated to global database..

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JavaScript - Exposing Server-side State Through Client-side Controls

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)?
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C# - Calling Server Side Function From Client Side JavaScript?

Sep 14, 2010

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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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How To Convert Server Side Vb.net To Client Side Javascript

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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Javascript - Get The Value Of Client Side Variable In Server Side?

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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Javascript - User Control With Client + Server Side CustomValidation; Wrong Client Side Validator Is Picked

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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Javascript - Trying To Add A Client Side Event To A Dropdownlist And I Need To Access The Currently Selected Text?

Sep 1, 2010

I am trying to add a client side event to a dropdownlist and I need to access the currently selected Text. I have tried:

ddl_tech.Attributes.Add("onclick", "document.getElementById('" + chk_techreview.ClientID + "').disabled = this.options[this.selectedIndex].text.Equals(' UNASSIGNED');");
and
ddl_tech.Attributes.Add("onclick", "document.getElementById('" + chk_techreview.ClientID + "').disabled = this.text.Equals(' UNASSIGNED');");

Both of which give me runtime errors when the event is fired.Whats the correct way to access this text property client side?I tried this but it does not enable the checkbox...

ddl_tech.Attributes.Add("onchange", "document.getElementById('" + chk_techreview.ClientID + "').disabled = this.options[this.selectedIndex].text == ' UNASSIGNED';");

ANSWER:

Well, along with having to use == rather than .Equals, when you set a checkbox.enabled = false on the server side it raps the checkbox in tags and sets it to disabled=true; therefore you must set BOTH the checkbox.disabled = false and checkbox.parentElement.disabled = false; on the client side to enable the checkbox!The solution:

ddl_tech.Attributes.Add("onchange", "document.getElementById('" + chk_techreview.ClientID + "').parentElement.disabled = (this.options[this.selectedIndex].text == 'UNASSIGNED'); document.getElementById('" + chk_techreview.ClientID + "').disabled = (this.options[this.selectedIndex].text == 'UNASSIGNED');");

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AJAX :: Can Send An Object From Client-side JavaScript To Server-side Code Via AJAX

Mar 16, 2011

I know that I can receive an javascript object from the server via ASP.NET AJAX using Json. But I am not sure how can I send an javascript object from my client-side javascript to my server-side code. And if I can, how can I extract this object in my server-side code and access its members?

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Sep 6, 2010

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<html>
<body>
<input type="text" name="first name"/>
</body>
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<form runat="server">
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Mar 16, 2011

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Jan 26, 2011

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Jul 20, 2010

access to HTML elements. On the server side those elements exists in temTemplate of a repeater control.

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HeaderTemplate>
<div id="accordionGiftLelo">
</HeaderTemplate>
<ItemTemplate>
[code]...

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Server Side Javascript Engine For IIS?

Jan 2, 2010

I am looking for a solution similar to Aptana's Jaxer where I can execute javascript server side

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How Javascript Take Script Server Side

Feb 13, 2010

How can I take this code

<script>
var arr = [<%= myArray %>+<%= my2Array %>];
var sorted_arr = arr.sort();
var results = [];
for (var i = 0; i < arr.length - 1; i += 1) {
[code]...

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How To Persist Javascript Changes On The Server Side

Jan 6, 2011

how to persist javascript changes on the server side.For example if I added items to a drop down list client side, how can i persist them in order to read them on the server side.By the way, Telerik control have this feature.

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How To Access In Server Side AspxGridView Combobox Selected Value

Jan 7, 2011

I want to access selected value of GridViewDataComboBoxColumn in server side at GridViewUpdated event. Do you have any idea about how can it be?Here is columns of AspxGridView

<dx:GridViewDataComboBoxColumn Name="Sprint_id" Caption="Sprint" FieldName="refSprint_id" VisibleIndex="8">
<PropertiesComboBox ValueType="System.Int32" DataSourceID="sdsSprintler" TextField="adi" ValueField="sprint_id">
</PropertiesComboBox>
</dx:GridViewDataComboBoxColumn>

Combo can fill but i couldnt access the selected item in GridView updated event

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Aug 7, 2010

How can I access server side functions from the HTML code? See the following code:

<a id="Taggloud" runat="server" class="lblTagCloud" onClick="TagOnCloud_Click">click</a>

Here I'm calling the tagonCloud_click function that's defined in server side(code behind). How can i call that function?

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Web Forms :: Client Control Access From Server Side?

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i am using a div in the top of the master page which have the controls for login. When the user succesfully login to the application the visibility of the div should be hidden. can i achieve this is in server side.

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I am building 2 WCF projects. On is server side and the other is AJAX (you can see here the ultimate trouble you have to go through to make it work in another domain: URL....

As we may give the website to an outside developer group I want to be able to have a small log function that will go through server side (because i don't know if the dev's will jst put the user - pass in javascript if they have the option) and write a cookie with a 10 minutes enabled pass and everything else will be in Ajax - Javascript.

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