Web Forms :: How To Define OnClick Routine Of A Button When It Is Created In A Class
Aug 16, 2010
in .vb file, in a class i have created a button control, assigned its ID, and other properties.
In code behind file of a aspx page i have created object of that class.Run the page and browser Button control is coming. Now i want to do something in its click event.
But i am confused how to define that one, since presently there is no any button control instantiated.It is getting instantiated at the runtime.So, how to define its click event or any other events ?
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Similar Messages:
Mar 10, 2010
What I'm trying to accomplish is to set my dynamically created button with a onClick command so when click it will run a method in the code behind.
[Code]....
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Apr 20, 2010
I have a web form with lots of code behind a button. I want to create a class, put all the code form the button into the class. But how do you call routines in the button from the class?
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Jul 30, 2010
I know this 'dyanamic control event not fired' has been raised time and time again, but I still can't work out how to solve this issue...
I'll break down the parts and where the button is created without the 'flesh' around the code that shouldn't have an effect.
Imagine this is the stack:
[Code]....
button_Click never gets fired. The annoying thing is in the app, if button list isn't used, RadioButtonList is and is attached in exactly the same way and while i haven't checked, i'd imagine I would be able to catch events from that.
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May 15, 2010
here is the code, where i am confused what to write in all the properties and functions of the base class stream?
I want to inherit abstract class Stream, but confused about what to write?
[Code]....
I could'nt understand how to define these Properties,Sub and Functions. How i start?
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Aug 26, 2010
I am using c#.net 3.5 in that i am creating <a> tag dynamically as
HtmlAnchor htmlanchor = new HtmlAnchor();
htmlanchor.HRef = "javascript:void(0)"; htmlanchor.Attributes.Add("onclick","document.getElementById('light').style.display='block';document.getElementById('fade').style.display='block'"); [code]....
but its not working there is some javascropt error. as object required.
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Oct 13, 2010
That doesn't make any sense at all but what I mean is, if you've got a button for example which takes say 10 seconds to complete whatever is in the button click routine, and somebody else on a different computer clicks the same button just after, is it possible for that second button click routine to wait until the first one is complete? And most importantly is it something fairly simple to do? I'm sure I accidently found some information on this when searching the web for something else but I can't remember what I was searching for before and can't find it now
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May 4, 2010
I feel like a neewbie for this question but I can not make my linkbutton to trigger when created from code behind.What am I missing here?
this is what I got.
[Code]....
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Jun 10, 2010
In the example below I have set the control style to 'controlName' I want to use this class to define what my textbox looks like in edit mode. This works ok, so far so good. The Problem In a button event I add the class "validationError" to this textbox if the data is incorrect. When the grid gets rendered I expect to get 'controlName validationError as the class applied to the textbox. Unfortunately, it seems that the declarative statement overrides this and simply ends up as 'controlName' how I can intercept the application of the declarative class so that I get what I desire here?
<asp:BoundField
DataField="Name"
HeaderStyle-CssClass="headerName"
ItemStyle-
CssClass="itemName"
ControlStyle-CssClass="controlName"
HeaderText="Name"
>
</asp:BoundField>
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Mar 4, 2011
I'm using Facebook SDK C# Library in Asp.Net 3.5 Application. When I'm trying to compile the code below give me the errors. As I know dynamic type using in 4.0 framework. So is anyway to rewrite it in order make it work? I have a reference to System.Core 3.5 but it's still not compiling
protected void Page_Load(object sender, EventArgs e)
{
if (Request.Params.AllKeys.Contains("signed_request"))
{
var result = FacebookSignedRequest.Parse(FacebookContext.Current.AppSecret, Request.Params["signed_request"]);
dynamic signedRequestValue = result.Data;
this.RegistrationData = signedRequestValue.registration;
}
else
{
Response.Redirect("~/");
}
}
protected dynamic RegistrationData { get; set; }
Error 1 Cannot define a class or member that utilizes 'dynamic' because the compiler required type 'System.Runtime.CompilerServices.DynamicAttribute' cannot be found. Are you missing a reference to System.Core.dll?
Error 2 Cannot define a class or member that utilizes 'dynamic' because the compiler required type 'System.Runtime.CompilerServices.DynamicAttribute' cannot be found. Are you missing a reference to System.Core.dll?
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Sep 7, 2010
i got microsoft visual web developer and do not understand what a class is would.
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Feb 1, 2011
What I'm trying to accomplish is to set my dynamically created linkbutton with a onClick command so when click it will run a method in the code behind. This is my code:
protected void Page_Init(object sender, EventArgs e)
LoadLeftSide();
private void LoadLeftSide()
{string filepath = Server.MapPath("DataSource.xml");
List<Post> list = PostHelper.GetAllPosts(filepath);
[code]...
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Mar 3, 2010
I am developing a couple of small ASP.NET application and would like to know what pattern. approach do you use in your projects.
My projects involve databases, using Data access and Business logic layers.
The data-access approach that I was using so far is the following(I read in some book and liked it):
For DAL layer:
Creating an abstract class that will define all database manipulation methods to implement.
The abstract class will contain a static "Instance" property, that will load (if instance == null) an instance (Activator.CreateInstance) of the needed type (a class that implements it).
Creating a classes that implement this abstract class, the implementation will be according to the databases (SQL, mySQL and etc) in use.
With this I can create different implementation according to database in use.
For BLL layer:
A class that encapsulates all all retrieved fields , and static methods that will call the DAL classes.
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Feb 25, 2011
I had a button with onclick event (in .aspx page)
<input
class="Button"
type="button"
onclick="top.location='<%=string.Format("MyAccount.aspx?action=new&returnUrl={0}",
Web.ProcessFlow.Common.QueryString(Request.QueryString["returnUrl"]))%>'"
value="New
Customer Registration"
/>
I have converted this button to image button like this:
<asp:ImageButton
ID="ImageButton1"
runat="server"
ImageUrl="../Images/checkout/Proceed_To_Checkout_Button.png"
onclick="top.location='<%=string.Format("MyAccount.aspx?action=new&returnUrl={0}",
Web.ProcessFlow.Common.QueryString(Request.QueryString["returnUrl"]))%>'"
/>
It is not working and It gave me an error.
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Aug 12, 2010
I have used renderbegintag to create tags dynamically,and i have created html button tag by this ,but i am not getting how to redirect page by passing querystring of id on the click of that button.My code is:
writer.AddAttribute(HtmlTextWriterAttribute.Class, "Login-btn");
writer.AddAttribute(HtmlTextWriterAttribute.Id, "imgDetails");
writer.AddAttribute(HtmlTextWriterAttribute.Onclick,"Response.Redirect('ProductDetails.aspx?ProductId='+i)");
writer.RenderBeginTag(HtmlTextWriterTag.Button);
writer.Write("Details");
writer.RenderEndTag();//button close
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Sep 10, 2010
Obviously I am a total noob and this is simple to some of you, but I can not figure out why the rest of the sub works, but the button1.Text="Uploading, Please Wait..." seems to be completely ignored.
The button is supposed to change text when clicked but no method I have tried works with my page.
Here is my simple upload form page:
[Code]....
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Dec 7, 2010
I have user control that have button in it. I want to create OnClick event for the button on aspx page that have that control.
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Feb 22, 2011
i got this requirement to do using vb.net. there is a page on server which is html with borders,text and tables. i have to convert it to pdf onclick of button. this is not asp.net but vb.net.
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Oct 2, 2010
I am having trouble with two buttons on a page. I dragged them on to the page and then double- clicked each of them in order to create the OnClick events.
I added my code to the events, but when I click the buttons, their respective events aren't being called.
My .aspx code:
[Code]....
My Code behind:
[Code]....
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Oct 7, 2010
i have a problem with some part of an applcation am developing, i have a button that works the first time its clicked and then does not work after that. There is a visible page post back, but the code is not executed. I want the a label on a page get a new value whenever the button is clicked.
Sub Button_Next_Click(ByVal sender As Object, ByVal e As System.EventArgs) x = Integer.Parse(Label_previous.Text) x = x + 1 Label_previous.Text = x End Sub
<asp:Button ID="Button_Next" runat="server" Text="1" Width="65px" onclick="Button_Next_Click" />
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Jan 28, 2010
I have a button that I cannot see or click in design view in VS but I can locate it in my source. The reason I cannot see it is because it is overshadowed by a panel that has a repeater in it. I am trying to create an onclick event for it. The way I normally do this is just double click on the button or click on it and click the small lightning bolt in properties and double click the Click event for the button. This time I cannot do that.
So, I tried to create an on click event by doing this:
<asp:button ID="btnAdd" OnClick="btnAdd_Click" runat="server"/>
I then went to my .cs file and created a tidbit of code like:
protected void btnAdd_Click(object sender, EventArgs e)
{
lstEfins.Items.Add(txtEFINrehang.Text);
txtEFINrehang.Text = "";
}
However my button does not work... Its a very simple objective for my button, just adding a textbox value to a lstBox and I know its correct, so I know my code isnt broken. I just cannot get that button to fire correctly.
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Sep 13, 2010
I have a placeholder and in there a button that is set as enable false and on certain conditions it become enabled.On page load I get all info in the panel. So far so good. Now If I added Onclick="btn1_click" in aspx page and got application error. I need to pass some info to next page on button click event.
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Apr 15, 2010
I'm having problems with trying to get a string into a onclick event on an input button. Ill paste my code and explain more...
[Code]....
But i cant do that as the code is in an aspx page, not an aspx.cs page. I tried doing it this way...
[Code]....
But for some reason, when i try it that way, the page refreshes after the button is clicked and it messes up the layout of my page.
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Jan 20, 2011
I have a webform where I have validators and submit buttons.WhatI am looking for one of my button is1. When its clicked, if all the validators are satisfied, 2. If all the validators are ok, It should disable the button for postback so that user cannot click it again during its process ( means during postback )3. it should enable back after postback if possible otherwise I can do it from code behind at the end of my process,
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May 30, 2010
How can I use response.redirect on button onclick or onclientclick event?
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