Creating Event For Server Control In VS From Source View?

Jun 4, 2010

Is it possible to create Event (for example Button click event) from Source View? I mean without going to design view ?

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C# - Creating A Clicked Event On Ascx Control When Pressed?

Jul 28, 2010

I have a question about creating and managing events inside an ascx custom web control.

I have created a very stupid control consisting in a div containing a asp:Label control, it is a very simple structure:

<div id="mydiv" runat="server">
<asp:Label id="mylabel" text="Text"... />
</div>

That is, very simple.

I would like to add an event: clicked. I want to let the user add this control on the page and attach handlers to this event so that when this control is clicked it is possible to do something. It might seem a strange solution, it's like i'm trying to invent again the button control, that is: my custom button.

Well to fire the event I would like to add a javascript in my div and call a js function that calls, using ajax mechanism, a server side function. Well how to call a server side function from here.

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getting an error like this:

PostError Creating Control
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I need to create Listview control dynamically and also i get columns dynamically .

How can create dynamically LayoutTemplate and ItemTemplate and how to bind data dynamically.

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I'm using Visual Studio 2008, and when I select/highlight something in design view and switch to source view it does not highlight and scroll to the selected item. This makes it really hard to change stuff in source view, and it's very inconvenient at worst

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I am trying to attach a server-side event to lookup the city/state for the user-entered zipcode in a field like the one below.

<asp:TextBox ID="TextZipcode" runat="server" CssClass="inputtext" Columns="10" MaxLength="10"></asp:TextBox>

Since there is no lost focus event to capture, has anyone had any luck getting this to work?

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I couldn't decide where would be the most apprioate. I looking for an online source control site, if such a thing exists? I've checked out codeplex and thats really for open source projects ? which this isn't. does anyone have a recommendations?

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Creating Server Control

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I need to use radio buttons in a datarepeater. The problem is that radio buttons do not get the same ID in repeaters, so cannot be mutually exclusive. One way I read about getting around this is to create my own radio button and just render it differently.

I am trying to create a server control that inherits from the radio button. It needs to support postback and async post backs and have event handlers. The code I have works fine, in the sense each radio button is mutually exclusive but events are not being fired.server control:

Code:
<System.Security.Permissions.PermissionSetAttribute(System.Security.Permissions.SecurityAction.Demand, Name:="FullTrust")> Public Class NewRadioButton
Inherits System.Web.UI.WebControls.WebControl
Implements System.Web.UI.IPostBackEventHandler

[code]...

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Can Use Asp.net Web Forms (event Driven) User Control In Asp.net Mvc View

Apr 28, 2010

If not what are alternatives in asp.net mvc to make reusable components? Which of those alternative is recommended to use?

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When I am creating Strongly Typed View I get lots of Classes in View Data Drop down. Classes like Automapper, ninject, Interface..., latebound... Due this its very hard to find my project classes. Is there any way to restrict dropdown to only display my project classes?

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When using the "add view" dialog in vwd is there a common practice for presenting any primary key fields as readonly to the user in the view?

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I want to use SQL Server based Cache dependency without data source control.How can I do it?I am binding data to grid through code.

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Dec 11, 2010

I'm working on a page that uses a master page. In the master page, I have a drop-down and when a value is selected I generate an evenIn the web page, I have this statement "Addhandler Master.FilterChanged, AddressOf FilterChangedFromMasterPage"Everything works fine, and can edit the page as much as I want, but only with the Source view - because if I look at the design view, the entire MainContent section is reduced to this error; "Error Creating Control- MainContent / Object Reference not set to an instance of an object"But if I debug it locally, or FTP it to the server, it works just fine!

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Feb 11, 2010

I'm stumped after a few days of searching and trying to create a Data Source to Oracle for a report under Visual Studio 2005. I followed the guide at

[URL]

I am able to connect through the Server Explorer to our Oracle database using both .NET Framwork Data Provider for Oracle and Oracle Data Provider for .NET. I can execute queries on both of these and retrieve data.

The problems start when I try to create a data source under the Solution Explorer. I have created a Business Intelligence project on my local computer.

Data Source Wizard Select Create a data source based on an existing or new connection. Click New... Here the Provider is disabled and it appears defaulted to SqlClient Data Provider. All I can do is connect to a MSSQL server.

How can I connect to an Oracle database here?

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Creating A Web Server Control That Has An Image Button On It?

Jun 7, 2010

I'm creating a web server control that has an image button on it.The html for the control is done in the RenderControls of the code, the control devrives from WebControl, IScriptControl, INamingContainer.The button is coded as follow in the RenderControls:

System.Web.UI.WebControls.ImageButton img = new System.Web.UI.WebControls.ImageButton();
img.ImageUrl = "Url of the image";
img.Click += new ImageClickEventHandler(img_Click);
img.ID = this.ClientID + "_img";
img.CausesValidation = false;
imgLock.RenderControl(output);


The button apreas in the browser but when i click on it, the page postsback but the event handler for the button doesn't get fired, from what i can figure out, since the control goes throught RenderControls eachtime the page is posted back, the button gets redrawn and the event handling disapears.

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Servercontrols - Creating Templated Server Control?

May 25, 2010

I want to be able to do something like this

<test:TabControl id="" runat="server"....>
<ItemTemplate>
<tabItem label="tab1" />
<tabItem label="tab2" />
</ItemTemplate>
</test>

The idea being here is that the only acceptable items in "ItemTemplates" are the tabitem types. There are many asp.net controls that use this, for example the ScriptManager class only allows you to specify certain types of objects under its various collections. Maybe thats the key to this.. I want to add a collection as opposed to a template. The idea is that in code I will then iterate over each "tabItem" and create the tab as I want it to look (probably rendering div's etc). Ive had a look at most of MSDN link on how to create templated controls but it doesnt seem to do exactly what I want it to. Would be grateful for some assistance.

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Web Forms :: Dynamically Creating HTML - Add Image Source?

Jul 7, 2010

I'm making a html document by using a StringBuilder, the document is used at a messageBody for a email.

I want to add a Image to the document. Bu no matter how I'm doing it the image dosen't show up in the email.

The image is available from the site, I've tried pasting the address in the browser and the image shows up fine.

[Code]....

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Sep 14, 2010

I was wondering if there is a way to generate the event handler of a control directly in the markup view and not in the design view.

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Feb 21, 2010

I want to create a map control which will be a server side control.I want to have it as a tool in the toolbox. The above control will contain providers that will fetch maps from the following sources:

1) WMS
2) Oracle Spatial DB
3) Google
4) MS Virtual earth.

How to create the providers for the different map sources? Then I hav to create different screens which will take the parameters and send them to the map preoviders. The map providers will send the generated map to a map control (could be a active X control) or something else. The map control should also be capable of performing standard functions like pan,zoom etc. Pls give some idea as well as source code on how to start with it.

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Forms Data Controls :: Using Event For Data Bound Control Vs Data Source?

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I've been using the Item Inserted event for my data controls, such as details view. I'm wondering if there are advantages to doing this with the data sources instead of the data control. There is a lot of overlap in the events provided by these two types of controls. Are there advantages to using the events raised by the data source instead of the ones raised by the data control itself. Should I be using the events raised by the data source instead of the control used to enter the data?

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Treeview - Call Window Form On Click Event Of Node In Tree View Control In 3.5 C#

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in my application i need call new form on click of node in tree view control in asp.net 3.5 c#.

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Custom Server Controls :: Creating User Control Like Gridview?

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i'm developing a webusercontrol, that has very properties, properties are of custome types (not primitive), so i want user can edit properties in grid property. i want something like gridview here is a portion of my code:

[Code]....

[Code]....

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Custom Server Controls :: Looking For Pointers/advice For Creating This Control?

Jan 18, 2011

Within an existing ASP.NET page I've created the following layout, which is a tabbed header and content area. When the tabs are clicked (using JQuery) I show the relevant content, and hide all the other content for that respective tab, like so...

I'd like to expand this functionality to make it into a User Control, so that I could re-use the code more easily. Once the control is created, I'd like to be able to use it like this:[Code]....

where I can start learning how to do this, or offer direct help on the code? I've read many tutorials for creating controls using existing controls (e.g. custom labels etc) but they are all too simple. With the above, do I need to create a ContentArea control first, then work onto the TabbedControl? How do I get ASP.NET to render out the contents of my ContentArea (including ASP.NET controls that are contained within it)?

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