I've added a CheckBox control to my page in a method called from the Page_Load event (see below) but the handler is not firing. Am I doing something wrong or is connecting server-side handlers to dynamically added controls not possible? Thanks! Timo Private Sub Page_Load(ByVal sender As Syst...more >>

I am trying to use the LessThanEqual operator in a comparevalidator validation control. The catch is that the comparevalidator is located in a template column of a datagrid. I am comparing the value of the datagrid column item against another textbox in the web form. For some reason the page ...more >>

Hi How do i add custom control as columns in datagrid.(these controls are derived from webcontrol) Thanks Siva...more >>

Hi, Is there a chance to show various columns in a ListBox control, = something like a ListView in VB6? Thanks Mike...more >>

Hi, I am trying to format some text that I retrieve from a DB. I load the = converted (to string) values in an array and then use the following = statement: lstChartAccounts.Items.Add(String.Format("{0:15} {1:50} {2:10} = {3:10}", value)) I would like my ListBox (WebControl) to sho...more >>

Has anyone been having problems with the DataGrid control when displaying lots of data, say ~5000 rows or more. I have a page where no server side methods (OnSortCommand, OnEditCommand, etc...) I defined will work with >5000 rows of data in the DataGrid. When I limit the data buy using 'select top...more >>

Can I distinguish between this two kinds of OnClick for Button Control: 1- btnPopup_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnPopup.Click 2- btnPopup.Attributes.Add("OnClick", "...") //here I have a javascript function that I want to use. I want to disti...more >>

Hi, I have a textbox that when I write something there that she runs a function. For that I use the method: [textboxname]_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles [textboxname].TextChanged I put in textbox properties the AutoPostBack = true. The pro...more >>

I was using XP Pro. asp.net and .net 1.1.4322; I now have the pages on Windows Server 2003. I do not have any compiled code. The validators simply don't work at all. Nothing; not an error - nothing. They still work fine on the other machine. Any ideas? Thank you....more >>

hi: where can I find some documentation on how to use the web version TreeView control? I downloaded it but have no idea how to implement it. thanks! ...more >>

I'm trying to figure out to how add to my page, at runtime, an HtmlTable table with 2 colums, the first containing an HtmlInputRadioButton, the second column containing text. I'd like to use the Page.Controls.Add() approach if possible, rather than build the HTML as a string. I've got the table...more >>

A few questions. Is it possible to add a Flow Layout Panel dynamically at runtime using Page.Controls.Add()? Can you add HtmlInputRadioButtons dynamically so they appear within that DIV? I'm able to add them to the page but can't figure out how to put them inside a particular DIV. Is suc...more >>

Hi, I have notice some file with extension *.ascx Could someone tell me more about it. I am currently got a fully done web project, but the files with extension *.aspx Is there any way to compile such file to *.ascx. Or perhaps someone could tell me how to create *.ascx some useful referen...more >>

Dear all experts, How do I create radiobutton with only single-selection in DataGrid? I am using the template columns. Please help me... thank you !! ...more >>

I have a datagrid all nicely bound up to a dataset, works perfect. What i would like to do is to add in my own row at the top of the grid (between the header and the data), without having to munge in a false row of data into the dataset's table. I want to be able to provide a row up there ...more >>

I have a user control that dynamically creates a dropdownlist.. when an entry in that is selected, it creates a 2nd ddlb with sub codes and when that is selected it creates another ddlb with more sub codes etc etc.. Each of these drop downs return part of a code that when combined will give the a...more >>

Hi all! I'm trying to populate two dropdownlists with only one query. //objConn is initialized and open: SqlCommand objCommand = new SqlCommand(); objCommand.Connection = objConn; objCommand.CommandText = "SELECT * FROM Team"; SqlDataReader objReader = objCommand.ExecuteReader(); HomeTe...more >>

Hi Here is the C# code [code protected string SelectedUserID ge return ViewState["SelectedUserIDs"] == null? "":(string)ViewState["SelectedUserIDs"] se ViewState["SelectedUserIDs"] = value this.SelectedUserIDs = Request["listUser"]; //I put this line of code in PostBa...more >>

Javascript [code function ck1( //ft.MessageContent.value += ft.ck1.value ft.getElementById('MessageContent').innerHTML += ft.getElementById('ck1').value There are 2 types of checkbox, one is asp:checkbox, another is html checkbox (1 <asp:checkbox id="ck1" runat="server"><%= thi...more >>

Hello: I have several aspx pages with multiple validation controls. On my PC they work as they should - if validation fails, the error messages are displayed and the page is not submitted. When I upload my web site to the remote server (which is my web hosting provider's server) they work d...more >>

Wondering about which is better in the following scenario: I have common code that I use for paging/sorting/etc. on a datagrid, and so have pulled out into a common class that I then call on individual web pages. There (at least) 2 ways of doing this: 1) The common code is a method where ...more >>

When I run my page with a treeview control, I get the following error: htmlfile: Dynamic Link Library (DLL) initialization routine failed It jumps to the treeview.htc in the blurFilter function with the if(oItem.filters.length>0) line highlighted. Has anyone encountered this error previous...more >>

I'm populating a RadioButtonList at runtime by adding ListItems to its Items collection. My data is coming from the rows of a DataTable. I'd like to do this (pseudocode): For each R in T.Rows '// create a new list item: Value = R(0) and Text = R(1) If R("mycode") = 10 '// special ty...more >>

In Netscape, if you set the HorizontalAlign to right. The content in the panel is overlap with a table below. (I am using flow layout). In Netscape, a panel is treated as a table with align=right. this makes the content overlap with another table below. The follow will display overlaped cont...more >>

Hi, I need to create a checkbox list that includes the DataValueField along with the DataTextField. The concept is mentioned on http://msdn.microsoft.com/library/default.asp?url=/library/en-us/cpgenref/html/cpconcheckboxlistwebservercontrol.asp I am in the learning stage of ASP.net so I am a...more >>

I am receiving the Multiple Controls with the same ID error... The MS KB article here describes my problem: http://support.microsoft.com/default.aspx?scid=kb;EN-US;834608 Where I can download the hotfix that is mentioned in the article, OR, how can I fix the problem...? Thanks ...more >>

I'm having trouble getting a user control to read the properties of the parent page. The parent page is written in VB.net, the control in C#. Code from the Control: ------------------------------- <%@ Control className="CommunityElement" Language="c#" %> <%@ Import namespace="NamespaceOfTh...more >>

Hi all! Can somebody help me about the System.Web.UI.WebControls.ListBox??? My Problem is that when i call the Function "SelectedIndex()", this function always return -1. Somebody no the problem! reegards pete...more >>

Hi, might be trivial question, I haven't found anything useful on the internet on here though. a) push buttons (Update, Edit) do not invoke events.. Link buttons work.. b) After submitting row in edit mode, update handler is called, however, TextBox instance looked up in event argument (DataGr...more >>

Hi All I can successfully create dynamic controls, validated their data input and dynamically destroy them using inline code. The problem is when I apply the same technic using code-behind. The controls are created successfully, but I cannot loop through them to check their contents. Ex.: ...more >>

using HttpWebRequest to make HTTP request t web server and get resulting HTML in the response, when the response includes hebrew characters (not unicode) these characters are moved away after StreamReader reader = new StreamReader ( response.GetResponseStream() ); strHTML = reader.ReadToEnd();...more >>

I have a line of code in button click for listbox control in asp.net as follow Listbox.SetSelected(1,true When I run it , it generates the following error BC30456: 'SetSelected' is not a member of 'System.Web.UI.WebControls.ListBox' What namespace should I import to my asp.net code? Thank ...more >>

Datagrid dg, Datasource: MS Access query containing memo field mymem. In the database, mymem is not required and zero length is allowed (not every record will have a memo). Datagrid column for memo field is NOT visible - only when user clicks on a specific row -- then I show a textbox and set text...more >>

I am programmatically loading a control to a PlaceHolder control. However it seems impossible to access the properties of the control. I always get an error message that says the property I am looking for is not a member of PlaceHolder! Any help will be appreciated. ...more >>

I am trying to create an aspx page that displays a datagrid which contains the result of a query when the page loads. I am using WebMatrix. I tested the data adapter and it returns the correcct data but when I load the page, the datagrid is empty. Any suggestions appreciated. Wayne ========...more >>

Hi, How can I have 2 asp:hyperlink at the same aspx page but with diferent styles ? I've tryed this: A:visited { color: #febc11; text-decoration: underline; } A.Menu:visited { font-weight: bold; color: #febc11; text-decoration: underline; } .... but can I tell each control t...more >>

I have a button that commits a transaction on click. Considering it takes about 4 secs for a transaction, it allows to be clicked several times (will not work if button is just disabled on commit) during this period and then collects all these clicks as several transactions with same data. How c...more >>

Hi All, I have been working on a few ASP.NET applications recently that access database resources frequently. I have been trying to find a consistent way of displaying both the success and failure of various operations to the user. For example, if a new record is successfully added then I...more >>

I have a .JS file that permits to open a popup window calling the fiunction CreateWnd(...) The question is How can I call the popup window by selecting an item in a datagrid? -- Programming ASP.NET with VB.NET Thank's (if you try to help me) Hope this help you (if I try to help you) ...more >>

On my form, based on the value user selects from a dropdown list, a group of textboxes will be generated dynamicly. Now the problem I'm having is how to save data entered into dynamic textboxes. I know because of the nature of dynamic controlls, input is gone before submit button is hit. Is there ...more >>

Hi,=20 In my simple web control I am trying to add the following script onto = the page Protected Overrides Sub AddAttributesToRender(ByVal writer As = System.Web.UI.HtmlTextWriter) Page.RegisterClientScriptBlock("ccr", "<SCRIPT Language=3DVBScript>" & = vbCrLf & _ "function test(inp)" ...more >>

I have a .JS file that opens a popup window. Here is the question... I have a DataGrid with a select command that in this case, when I choose "Select", I want to open my popup window. The question is if I can do something like this in the function that is the target of select command of d...more >>

I have a financial application. When I populate text boxes with financial numbers I don't group the = digits via a comma. =20 For example. I'll use 500000 instead of 500,000. Obviously the latter is easier to read by our accounting guys. The problem is when saving 500,000. It will save...more >>

When a textbox ID or label.text match a known field name, for example id="email", it changes the textbox background color to yellow. Is there a way to disable this feature as it doesn't match my page colors. Thanks...more >>

Hello I am developing a composite control and I ran into the namespace problem. It boils down to the following simple example Create a Test ASP.NET application with a Test1.aspx page. Drop an ASP.NET Label control on this page. Change the namespace of the project and of the Test1 class to the "La...more >>

Somebody can indicate some article to me where explains like making WebControls of user? thank you ...more >>

Hello I'm learning to develop custom server controls and right now I'm at the stage of creating custom controls with Design-Time attributes. Currently, when I compile the 2 .cs files into a library, I can't get the Visual Studio IDE to import the control into the toolbox. It gives me the error: "T...more >>

Oh, VB 6.0 was so simple ... but how in VB .Net do I set the alignment of the text in a label control (in an asp.net app) so that it is centered vertically and horizontally? I know that this is a question for .Net 101 students but I have not been able to find an answer by looking at .Net's Help...more >>

I am working with the ASP.NET Calendar control (below is my code). How in the world do I set it so the default month is not the current month, but set it to a variable? Below is Calendar.aspx: <%@ Page Language="vb" %> <script runat="server"> Private Sub Calendar1_SelectionChanged(s...more >>

I'm using the MS Treeview Webcontrol to present a treeview of a hierarchial parts structure. My client wanted to select certain parts and then do something with only those, so I turned on checkboxes. Since I'm adding data using the .Add method I can say which nodes have checkboxes and which do...more >>