Web Forms :: How To Write Event For Dropdownlistbox Customcontrol

Mar 3, 2010

using delegates how to write event for dropdownlistbox customcontrol in asp.net

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Similar Messages:

Changing Gridview Cell Value In Onindexchanged Event Of An Embedded Dropdownlistbox?

Sep 13, 2010

I have a data bound Gridview and in its EditItemTemplate I have a drop down list box used to select a technician name. In the OnSelectedIndexChange event I want to update two of the cells in the gridview with the Technician hourly rates. I know that from a database perspective it would be better to keep this data relational but that is not really an option here. I have gotten everything to work with the exception of actually populating the Gridview cells. If possible I would like to do it right in the OnSelectedIndexChange event but I have not been able to reference the cells.

[Code]....

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Web Forms :: GridView - How To Make Editable Columns As Dropdownlistbox

Mar 24, 2011

I have an editable GridView and I would like to add dropdownlistbox for editable columns. Is there a way to do it? I want to bind the data also so the dropdownlistbox comes with values.

Here is a sample source code:

[Code]....

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.net Usercontrol Vs Customcontrol Vs Stringbuilder?

Dec 22, 2010

I'm building a product catalog which displays between 50/100 products per page.Since I want to have different browse sections on my site I've put each product into a UserControl. Well, not the products themselves ofcourse, but some labels, divs and images. I then set its properties in run-time when processing the database results. So the advantage is that I only have to change the product control at 1 place for the whole site. I'm putting the controls in a page using LoadControl in a loop.

However the pages are not loading quite as fast as other pages which process the same db query and output the same html using a StringBuilder. And since I want my site to perform well if/when it receives some decent traffic I'm worried about this. I haven't done any benchmarkings yet but I clearly see the difference. My questions to you is 'Are there any alternatives which are faster then using LoadControl with a customcontrol but are easily maintained (or atleast in 1 location)?'I was thinking of:

Creating a customcontrol (although I've never done it and don't know 100% if this will speed things up)Continue with the StringBuilder method and put the CreateProduct in my base class

[edit]Code[/edit]

I don't have the excact usercontrol code here but I will edit this post when I get home..but here is the simplified idea:

1) Getting my database result (using Subsonic 2.2 as my DAL)

DAL.ProductCollection coll = new DAL.ProductCollection();
if(coll.count > 0)
{
foreach(DAL.Product item in coll)[code]....

My usercontrol itselves just consists of 3 Literal controls and 1 Image control.

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Forms Data Controls :: DropDownListBox Referencing Another Column In Database?

May 1, 2010

I have a dropdownlistbox which references a specific column for a table in my database. After I select the proper id from the dropdownlistbox, I should press the submit button to see the name of the customer populated in a text field who references the id number for the dropdownlistbox. However, I am having trouble referencing a different column within the table. I can only view the selected value from the dropdownlistbox in the text box.

protected void EmployeeIDNumberListBox_SelectedIndexChanged(object sender, EventArgs e)

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Custom Server Controls :: UserControl With ListView To CustomControl?

Jun 16, 2010

I have created lots of UserControls, but never tried CustomControl.Recently i created a Photo Gallery UserControl using Listview & Visual LightBox.Now i want to publish it as CustomControl.Here is my UserControl's code :

<link rel="stylesheet" href="LightBoxGallery/css/vlightbox.css" type="text/css" />
<style type="text/css">
#vlightbox a#vlb

[code]...

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Forms Data Controls :: Adding A Dropdownlistbox Into Edit & Update Commands On A Databound Gridview?

Sep 30, 2010

I have a datagridview that has a column which displays a ref value from another unbound table, but during an edit of a gridview entry i want a dropdownlistbox to list all the available ref values from the other unbound table source, then to insert the selected value into the bound table

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Web Forms :: Trying To Write To An Xml File On A Button Click Event?

Feb 15, 2010

Im currently trying to write to an xml file on a button click event. So far i have this code.

protected void Button1_Click(object sender, EventArgs e)
{
XmlDocument doc = new XmlDocument();
try
{
doc.Load(HttpContext.Current.Server.MapPath("~/App_Data/blog.xml"));
}
catch (Exception err)........

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Custom Server Controls :: How To Create A CustomControl With A Template File

Apr 18, 2010

I saw some CustomControls using a separated ascx file, it rendered the ascx file (the template) but all the code was in a dll (the control).How can I do that? Can someone post a Hello World example?

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Web Forms :: Write URL / Button Click Event That Sets Eventtarget Value?

Apr 20, 2010

I'm working with a third party product and my boss wants to be able to link directly to a specific screen in this product from our company intranet. When I drilled all of the way down to the screen in this product, I see that it is an ASP.Net application and the particular screen is reached via a link that triggers a javascript function. I can see the anchor tags for this link and a link to a different screen and I can see the javascript function. Both screens as well as the initial screen are all part of the same content form. It is pretty clear that this screen is modified based on which link is clicked but it isn't using query string values so it must be using button click events to modify what shows on the screen. My question is; with what I can see of the 2 links and the javascript function, is there a way to send a postback with that specific click event from a different site to that specific ASP.Net form so it would pull up the correct screen? Here are the javascript function and anchor tags:

function __doPostBack(eventTarget, eventArgument) {
if (!theForm.onsubmit || (theForm.onsubmit() != false)) {
theForm.__EVENTTARGET.value = eventTarget;
theForm.__EVENTARGUMENT.value = eventArgument;
theForm.submit();
}
}
<a id="ctl00_popular1_pnlLeftPopular_dlsPopular_ctl00_lnkActivity" href="javascript:__doPostBack('ctl00$popular1$pnlLeftPopular$dlsPopular$ctl00$lnkActivity','')">IT Request for Change (RFC)</a>
<a id="ctl00_popular1_pnlLeftPopular_dlsPopular_ctl01_lnkActivity" href="javascript:__doPostBack('ctl00$popular1$pnlLeftPopular$dlsPopular$ctl01$lnkActivity','')">VOSA</a>

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Web Forms :: Write A Gridview Selected Index Changing Event?

May 7, 2010

this is performance related question. i have gridview and i wrote gridview selected index changing event .In that event i am enable and disable one button out side the gridview..

it is working fine and fast in my local system ..the problem is ,if i upload my application in server ,it takes more time to perform action in gridview selected index changing.how to avoid that problem ?

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How To Assign A Textbox Value In Dropdownlistbox

Mar 30, 2010

I want to assign a textbox value to dropdownlistbox,where it should be updated in my database.

In textbox the date is assigned. In dropdownlistbox one user name is assigned. I have to set the particular date to one particular user..

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How To Make Textbox,Buttons Dropdownlistbox Controls Attractive

Jan 23, 2010

i want to make a application attractive.

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Can't Write To The Event Log

Mar 24, 2011

Background:

I have two servers running Windows Server 2008 with IIS7. I'm moving my web application from one server to another. I've duplicated the same permissiong levels in the registry for access to HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesEventlog and even created the necessary CustomLog entry.

However, when I run my web application on the new server I get the error "Requested registry access is not allowed" when I try to write to my CustomLog. I have NO idea why I'm getting this error. Like I said permission levels are identical to the server that can write to it's CustomLog.

For the heck of it, I wrote and deployed a Windows Forms app on the new server that read/writes to the same CustomLog ... the Windows Forms app works fine!! I'm pulling my hair out as to why my asp.net web app can't write to the CustomLog. I've given the following accounts full control:

Authenticated Users
SYSTEM
NETWORK SERVICE
Administrators (MyServerNameAdministrators)
Users (MyServerNameUsers)
IIS_IUSRS (MyServerNameIIS_IUSRS)

I've actually given more users that should need be, but it trying to get this to work, I'm assigning just about everyone. The application pool my web app uses is running NetworkService (same as my old server).

I'm really at my wits end on this one, I can't understany why one Windows 2008 Server with IIS7 works and the other identical server with same permissions doesn't??

I don't even know where to go to do further diagnostics?? Is there any place I can go to make sure the web app code (which is a direct copy of what lives on my working server) is running under the account I think it should be running? Grasping at straws because I don't see how the new server could be any different from my working server.

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Write TemplateField Event To Rowcommand?

Aug 6, 2010

I have a gridview that contains dynamic templatefield TextBox, I want to wire TextChanged event to RowCommand?

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How To Write Textchanged Event,that Is When Enter The Key

Jun 22, 2010

I have one textbox for searching purpose...In ASP.NET how to write textchanged event,that is when i enter the key....i know normally textchanged event occurs when i enter using (enter key word) i want keypress or keydown event........................

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Write To Event Log From A Windows Service Application?

Dec 4, 2010

In my windows service application (c#), I am checking if an event log exists then write to that event log, otherwise create new event log and write to it. But it always writes to the generic "Application" event log. Do I need to change some settings?

[Code]....

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How To Write / Code Javascript (mouseover Event) Using C# Methods

Jan 24, 2011

yes client side must be java script but my qustion is not that.i am asking that can i use c# language to implement "actions" fired on "click side events" such as mouse over the reason for this question is that i remember some syntax of registering functions for particular events of formview, which are call when the event occurs (yes there ispostback involved" is something like the above possible for client side events using c# or even vb.net

protected void Page_Load(object sender, EventArgs e)
{
Label3.Text = "this is label three";
Label3.Attributes.Add("OnMouseOver", "testmouseover()");
}
protected void testmouseover()
{
Label4.Text = "this is label 4 mouse is working!!";
}

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C# - Allowing IIS6 IUSR Account To Write To The Event Log?

Sep 2, 2010

I have an ASP.NET app that has a class that writes to the event log. Now it has been working fine when called from a WF Work Flow , as the WF runs under the app pool account (Network Service).

Now I want to use this event log class in an aspx page, which is where I am running into trouble becuase the aspx page is running under the IUSR account and I get an Access is Denied error, stating "Cannot open log for source 'XXX'. You may not have write access.".

Now my question is, how can I give the IUSR account permission to write to the event log, or is there another, better (not overly complicated), way?

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Gets Error While Writing Response.write() On Click Event Of Button

Mar 26, 2010

Sys.Webforms.PageRequestManagerParserErrorException: The message received from the server could not be parsed. Common causes for this error are when the response is modified by calls to Response.Write(), response filters, HttpModules, or server trace is enabled. Details: Error parsing near ' i have kept button in updatepanel and i am getting this error

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How To Write Code On Drag And Drop Event Of Custom Control

Feb 23, 2010

I have created a Web User Control and convert it into Web Custom Control and add it in Tool Box of Visual Studio. When i drag and drop this web custom control from tool box, i want to execute some sql for that web Control. How do i write a code in Web User Control so that it will execute on drag and drop of Web Custom Control prepared from this Web User Control?

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Write And Execute Textchange Event Handler In Javascript And Code Behind?

Dec 22, 2010

in my asp.net website, i have textbox control inside datagrid control. I would like to add textchange event in javascript where i need to sum the values inside textboxes in datagrid and show that addition in lable outside grid. I would also like to do same addition in codebehind(*.cs) But codebehind only execute when browser not support javascript. It means when browser support javascript only client side javascript should execute not server side code

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JQuery :: Write JavaScript Code To Onunload Event ( In A Ascx Control)?

Dec 16, 2010

I am working on a feature to throw a warning message if the user has unsaved values in a form. I can see that in the next post there is a explanation about how to do that [URL]now the problem is that i need to do the same but using a ascx control and i don't know where put the next code in my ascx control.

<body onunload="checkSave()">

NB: I'm working on dnn so that i don't have any change to add this code in the parent page of the control.

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Web Forms :: Write In Chunks / Parameters Are Not Supported For The Write Method

Mar 29, 2011

I am reading in a file into a string. Then I am writing this string to a stream. I know this code works fine.

The only problem that I have is with the line that write the data in chunks where the parameters is not supported for the Write method.

The line that has the problem is this line. What do I need to change here?

OutPut.Write(buffer, 0, Math.Min(to_write, WRITE_CHUNK));

[Code]....

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Application - Configuration Implementation - Serialize Collections - Pick Up File Write Event To Reload New Instance Of Config Into Memory

Oct 11, 2010

I am working on a web app that will heavily rely on configuration. The configuration is also will be written by another process or human. I am looking to get response on best practices in .net 3.5 on how to implement this case. I had used the configuration section of an early version of the Enterprise Library Applications Block. I really liked working with it but from what I hear it is discontinued in current versions. Hence the question... Need to be able to serialize collections, pick up file write event to reload new instance of config into memory.

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