I'm creating a web user control and want to get some html from a datasource and write it to the page. I initially though I should just use response.write, but the problem with that is it writes the message above everything in the page the user control lives in - I guess because the uc is built before the page.
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i am using the example from http://www.dotnetspider.com/resources/701-Export-Data-CSV-Excel.aspx
this is working fine exporting the data, the problem is its also writing the html of the page to the bottom of the csv. i have stepped through the code to try and catch where this is happening but cant find it.
I have created a web user control I want to change the iframe' src value when the user click on the link but the problem is that I dont have access to iframe inside the page from web user control I think there is a way because my control is in the page they have some relation perhaps I like to find something like this :
[code]...
I have written an Http Module that hooks onto the Response.Filter property of the current request and does various replacements within the HTML before it is sent to the client.All the work is done in the Write method which is overriding Write in the base class Stream.
The Write method is called multiple times for a single response - the HTML seems to be written to the output stream in chunks. My problem is that I don't have an efficient & reliable way of telling if the current chunk is the last chunk (for why I want to know this see below). The only way I have come up with is to check if the chunk contains a closing html tag - but this is not very efficient or reliable.
The reason this is needed is that the module must add the "Refresh" HTTP header to the response, but only if the HTML fulfills certain conditions (and there are certain conditions that mean the header must not be added). So, only when the last chunk has been seen does the code know if the header can be added or not. So, I either need a test for the last chunk, or on each call to Write I add the header if the current block of HTML passes the test (if it has not already been added) or remove the header if the current block of HTML fails the test (if it has already been added).
So, is there a better way to test for the last chuck OR is there a way to test for a particular header being in the response and delete it (there doesn't seem to be a way to do this - only to append headers)?
Just wondering what the best approach is to labelling ID's (thats html id's) in .net.
For instance I may have a user control that is embedded in a page more than once. If I have a standard html div in the control with id="my-user-control", then it will duplicated when the page is built.
So what is the best approach for styling your html within user controls, master pages and .net in general?
I have an user control for users to input information, once the page is submitted, an email will be sent to web admin, the email body is supposed to look exactly the same as user control. Current I am using XSLT to generate email body, which is really difficult to maintain because everytime I made changes to user control I have to make the same changes to the XSLT. What is the best way to do this?
View 2 RepliesI am using web user control and making it visible false initially (page load) and on the selection of checkbox i am making it visible true. user control html is missing when i load it on checkbox selection. is there any when that i rebind the complete form again on checkbox selection so that user control html should be rendered.
i am really struggling to solve this issue since last two days.
I am creating a web user control for a simple poll. I am currently registering it on the page and then referencing it via tagprefix.
The form for the poll is in basic html (no server controls) and is in the front-end of the web control. How can I change the look of the user control depending on the settings passed into it? Is this possible without using server controls?
Update
Can I change the html layout of a user control?
I have created user control and placed inside panel in main form. i made panel visible property false because i want to avoid user control html to load at form load time. The problem is that when i make panel visible true on checkbox selection user control is loading in main form but its html is not loading means when i check html code by source view its same as the form load time and because of this i am getting ajax problem as my calendar control is not working. If you know the solution of this
View 3 RepliesRender User Control with Events in html
View 6 Repliesi'm just new in ASP.Net.
I want to render a Web User Control (has many server controls inside of it) as a HTML string, is there anyway to do it?
I have a web user control that actually takes a zipcode and based on that brings all the store locations. I am using this contol on couple of places. That works, but I have set of html pages and on one of them I have to setup the same functionality where user inputs zipcode and store locations are displayed to him/her.My question, Can I use that web user control as an applet on my html page without writing html markup and get post methods to achieve the same functionality?
View 1 RepliesHere is the contents of my test.ascx file:
<%@ Control Language="C#" AutoEventWireup="true" CodeFile="test.ascx.cs" Inherits="UserControls_test" %>
<p id="XXX">aaa</p>
and here is the contents of my test.ascx.cs file:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
public partial class UserControls_test : System.Web.UI.UserControl
{
protected void Page_Load(object sender, EventArgs e)
{
this.XXX.InnerHtml = "BBB";
}
}
I get an error when I refer to the id, "XXX" (underlined above) in code behind which reads: 'UserControls_test' does not contain a definition for 'XXX' and no extension method 'XXX' accepting a first argument of type 'UserControls_test' could be found (are you missing a using directive or an assembly reference?)
I have tried XXX.InnerHtml and I have tried this.XXX.InnerHtml and get same problem.
How do I successfully refer to ID'ed HTML elements in code behind?
I am struggling with something that I guess should be standard practice really. I have a number of user controls that use some JQuery plugins. I do not really want to link to the extra CSS and JS files from my main masterpage as this would cause extra load to the user the first time they hit the site, (admittedly it would only be the once), so I was just putting them links into the top of the user control. Then I looked at my source HTML, not nice! Even worse for controls that repeat multiple times on a page.
So I was thinking is there a way of injecting them into the Head of the page when they are needed from the User Control. For that matter is there a way of doing it to the footer for JS stuff?
I have a web user control menu of page. Now I want HOME (which is an hyperlink text) in menu to be Bold at the time default.aspx Loaded (Load event)! How can I do that If any one can provide code! I am using VB .Net at back.
View 2 RepliesI have a user control which has html elements like <input type="button".... and i want to set its display property on preRender state.Would you please explain, what kind things i have to handle this user control? So, in this functionprotected override void OnPreRender(EventArgs e) { }
I have only EventArgs e and it doesn't have proper method or properties to bring me the html of user control.
I have a question for use Html.RenderPartial.
How do I assign records entered from a user control by Html.RenderPartial the model of objects of my main view?
Today when I try to save my record can not save the record of association with only the records of the Main View.
Basically the operation of the screen is the following, make the creation of a parent record and then join the other records. I want to save the parent record and associated records.
I am unable to get value in controller with below code.
<tr style="border-style: none">
<td>
<% ViewDataDictionary dictionary = new ViewDataDictionary();
dictionary.Add("Films","test");%>
</td>
<td colspan="4" style="border-style: none">
<% Html.RenderPartial("Pager", Model.hangTagPagedList,new ViewDataDictionary(dictionary); %>
</td>
</tr>
Is there any way to get it.
In my application i want to share one .txt for read and write among no. of users. in Button click i m writing data in that file and in tick event of Timer i m reading that file, In tick event i m reading that file based on file based cachin means if file have been changed then only i m reading that file but when i have put m application i IIS then i m not able to get updated file.
View 2 RepliesI'm looking for exampe of user managenet (login / registration / recover pass ...)
that is written in 3 layer architecture.
Im trying to make a web chat using ajax control tool kit. There is a script mannager, the update panel and the timer. I inserted the textbox for showing every text that is introduced by the users, the text for writing and the send button are out. It works great but if im writing some text in the exact moment of refreshing time (winch happends a lot because its every 3 sec) it does not let me write correctly cause the textbox kind of blink and you miss a letter. So, wich is the correct method for doing this without lossing the fluidity of the writing.
View 1 RepliesI don't think I understand fully how ASP.NET does inheritance of controls.I have a user control, ucBase, which has an asp.net label in the ascx file. Code behind references the label and it works fine during run time if the control is not a parent for another user parent.
If I have another user control, ucChild, inheriting from ucBase, the label in ucBase's code is always null. ucChild has no controls in its ascx fileThe server controls (like the label) needs to be declared in the ascx file and not created programmatically.What needs to be done for ucBase to see its own controls when it's a parent user control?
i got this message when writing code-behind page: Compiler Error Message: BC30506: Handles clause requires a WithEvents variable defined in the containing type or one of its base types. Source Error:
[Code]....
Line 2: Partial Class _DefaultLine 3: Inherits System.Web.UI.PageLine 4: Protected Sub NewUserWizard_CreatedUser(ByVal sender As Object, ByVal e As System.EventArgs) Handles NewUserWizard.CreatedUserLine 5: ' Get the UserId of the just-added userLine 6: Dim newUser As MembershipUser = Membership.GetUser(NewUserWizard.UserName) also this from the error list: Error 2 'NewUserWizard' is not declared. It may be inaccessible due to its protection level. C:inetpubwwwrootWebSiteDefault.aspx.vb 6 60 [URL] the create wizard resides in the loginview
How should i write an sql statement in an SqlDataSource control?
<% String inuser="john";%>
<asp:SqlDataSource ID="SqlDataSource1"
runat="server"
ConnectionString="..."
SelectCommand="select from users where user='<%#inuser%>'??????????????" DeleteCommand="..." InsertCommand="..."
UpdateCommand="...">
</asp:SqlDataSource>
i am doing a webapplication where any asp.net control i am using is not available while i am writing code in code behind. e.g- i am using a DataList but i did not find DataList1 in the pop up to show my data in .cs page. i dont know what is the problem .
i am using Visual Studio 2008 pro SP1.
