If I enable trace as in: <%@ Page language="c#" Codebehind="StepByStep12_1.aspx.cs" AutoEventWireup="false" Inherits="_315C12.StepByStep12_1" Trace="true"%> The trace overlays the other information displayed on the page. The trace always starts at 0,0 on the page. How can I co...more >>

Hi, First of all sorry for my not perfect english. I've got listbox in my .aspx page where the users can make multiple selection. So, Users can select 7 items in listbox, I have to take value from items and pass it to stored procedure to delete 7 rolls in my table. Th...more >>

Hello: All the books I have looked at about how to design custom composite server controls talk about the LifeCycle..and although most is quite clear, there is one nagging type of control creation that I am looking for clarification about...Can anyone help? The following example is a trivia...more >>

Hi all I have put a required validation control on one of my aspx pages. I also have a server button on the page which the user will click to submit the data. The problem is when the user do not enter anything on the required field, it show the error then immediately submits the form and the cod...more >>

The code below finds the user entered value in a textbox within a grid. Then it updates the value(s) to the bound datatable. But the value does not display after rebinding to the grid. I think it has something to do with the binding of the textbox? I'm not clear on whether I have to use DATABIND...more >>

Hi, I'd like to create TemplateColumn at runtime. I want to add an Control (like Button,..) to this column. Is there any example how to this this? Thanks in advance, Lubos PS: I can do this with the BountColumn: BoundColumn bc2 = new BoundColumn(); bc2.DataField = "product_nm"; b...more >>

Hi, I've just delving into the world of ASP.Net Web Custom Controls I have a firm grounding in Visual Basic and Active Server Pages. I am currently designing a simple Web Custom Control that will act as a Header for a page. So far I have manage to make the control work and render it at design-tim...more >>

I'm getting a little frazzled here. I have been trying to figure out how to extract the data from my dynamically created Multipage controls for about a week now! Depending on data from a web service, I am adding one or more Tabs and PageViews to a design time created TabStrip and MultiPage ...more >>

Hi! I want to use a parent page and load webusercontrols to this page = dynamically. The problem I got is how I can set a label.text in parent = page from a usercontrol. A scenenario is if I have a button into the usercontrol and want to set = a text to a label in the parents page. I've set...more >>

Hi Wondering if anyone knows how to set the Url Format String in a datagrid control through c# -- If you place the datagrid control on a form, and go into the property builder tool - you can select a column and specify a value for the URL Format String, however I have not been able to figure how t...more >>

All, I am looking for a third party control(s) to incorporate job scheduling into our commercial product. The control(s) must have a ASP.NET UI component and use SQL Server to manage the job schedules. Any help to point me in the right direction will be appreciated. Thanks, Mike Schoenfe...more >>

Hi, How do SET FOCUS on a newly served (aspx) page to something that was added into a [PLACEHOLDER] ? I;ve tried typical Javascript and Page.RegisterStartup, but I get an error saying that the object (say some "newTextBox1") does not exist ! But it will soon, right? I've tried adding the...more >>

I have a page of several labels, textboxes, buttons and a dropdown list box. When I want to display an error, I overlay a panel (make it visible) with a high z-index so that it covers all the other controls. Except that it never covers the drop-down list box. Despite the fact that the list box ...more >>

Hi. I have a DataGrid bound to a typed DataSet and I just couldn't figure out how to sort the damn thing. I tried setting the Sort property of the DataTable.DefaultView and the Attributes["SortExpr"] of the DataGrid but I think the order of events matter. Here's a breakdown of events: 1. Pa...more >>

Hi, I have a user control which build a list menu from HtmlGenericControl objects (UL and LI). It works well and produces valid HTML, but all on one line. Any ideas as to how I can get the syntactically-valid equivalent of the following? ul.Controls.Add(CType(VbCrLf,Control)) TIA Ch...more >>

Dear All, I want to use a Custom Validator which checks two things.Firstly that the user should only enter letters.Secondly, The text box should not be empty when the submit button is clicked. I know that I can do this by required field validator. But I want to do...more >>

Hi, Does anyone knows a good ASP .Net Web Control to create a Gantt Chart. Many Thanks hamid ----------------------- Posted by a user from .NET 247 (http://www.dotnet247.com/) <Id>FNFugEJbJU2iontIQME9Jg==</Id>...more >>

I've tested the logic in the design on other pages and it works fine. THere is one major difference between where I want it to work and where it has worked. THe page I'm working on was launched from a page using Server.Transfer. I'm very new to this stuff so this very well could be a simple o...more >>

I need to get the full URL of the current page in ASP. When using Request.ServerVariables("URL") anything after the filename (such as a #section1 to jump to an area on the page or data submitted from a form using the GET method) is automatically removed. I do not know of any keys for the Request...more >>

A method in my code-behind is called when a certain condition happens. This method does this: ImageButton dynButton = new ImageButton(); dynButton.Click += new ImageClickEventHandler(dynButton_Click); dynButton appears on the page, but it is not participating in the PostBack proce...more >>

I need to add a behavior to a table and its rows. I cannot determine how to do this. My code looks like this: HtmlTable testTable = newHtmlTable(); HtmlTableRow testRow = new HtmlTableRow(); testTable.Controls.Add(testRow ); testRow.Controls.Add( new LiteralControl("<be...more >>

Our application is in ASP.NET and C# , we have used tabstrip control for data input screens. eveything went fine. till the user got connected to this application through a web VPN (CISCO),all of sudden tabstrip is not getting displayed at all. Our application has frames for a menu on the left,...more >>

Hello, I have created a new Web Form, example.aspx, with a Calendar control, Calendar1. In the Page_Load event of example.aspx I have included; Calendar1.SelectedDate = "28/08/2004" When I run the page, the month displayed is June 2004. If I then navigate to August, I see that 28/08/2004...more >>

I have a web control I made called header.ascx. It has its own properties and methods I defined. But I cannot figure out how to access this control from my code behind page. I can create the web control just fine and script with it as needed from the webform1.aspx page itself just fine, like ...more >>

Does any know about or have any resources for the a treeview control? Any place to start would be great Thanks Lee ...more >>

Hi!, I'm having a strange issue while deploying a web site with Validator controls. In my development machine the Validators function perfecly and also when I deploy using XCOPY to a web server. The problem seems to arrise when I decided to change the root folder of the web page in IIS to poin...more >>

I have a user web control I wrote which is registered in my webforms. By default the web form's Page_Load is firing first, and then the web user control's Page_Load is firing. I want to set it up so that the web control's event fires first, before the web form's (or any other controls page_lo...more >>

Is there a way to determine the order or priority of applying styles in a custom web control? For example, I have a control with default style settings for many features, and exposed public properties to change those settings as well. It is easy enough to set the value of the public property t...more >>

Hi all, May you kindly tell me how to create a label control in the web form dynamically and change its width and top properties thanks in advance ...more >>

I have a custom web control that basically consists of a dynamically created table and HTML checkboxes. I spent hours typing things like: writer.AddAttribute(HtmlTextWriterAttribute.SomeAttribute, "SomeValue"); writer.RenderBeginTag(Td); writer.Write("Some stuff"); writer.RenderEndTag(); ...more >>

Hi all, I have a composite control which only consists in a datagrid control for beginning. I create the datagrid control within the EnsureChildControls method and set the AutoGeneratedColumns to false My control exposes a method AddColumn(DataColumn column) which adds the specified colu...more >>

I'm creating my first custom control; it has a table with a variable number of cells (user defined at design time). Each cell has a button. Is it possible to attach events to these buttons? If so, how?...more >>

Is it possible to trigger a PostBack event from only one item in a DropDownList? I would like to have a DropDownList that does not AutoPostBack with many items, except for one which will take you to a form to edit the items in the list. Any ideas would be greatly appreciated. - Richard Huf...more >>

I can see there is an issue with web user control events on postback but dont fully understand how to implement a solution. I have a button on my aspx page, when clicked it adds instances of my web user control to a placeholder, it looks ok visually but events in the usercontrol dont fire.How ...more >>

Hi, Is it possible to sort a web control ListBox? TIA Colin ...more >>

Hi, I'm using the xml-control to read a xml/xsl file - and everything works fine, as long as the file is placed locally. Isn't possible to reference an external xml-fil as xml1.documentsource = http://www......... xml1.transformsource = "myxsl.xsl" i've tried - without success - with Di...more >>

I have two ASP:LABELs, One of them the words wrap and the other one doesn't. The only difference is that one I'm setting the text property at design time and the other one I'm setting at run-time...more >>

i want to change the text of hyperlink column cell : Public Sub dgrSuchergebnis_Databound(ByVal sender As System.Object, ByVal e As DataGridItemEventArgs) Dim DatumVertragsabschluss As TableCell = e.Item.Cells(3) If DatumVertragsabschluss.Text = "01.01.1900" Then ...more >>

Hi, I am implemention a composite web custom control. The control only contains to 2 controls: a DataGrid and an ImageButton control. I create the child controls within CreateChildControls method of the web custom control. Within this method also I register the interest in the Click event ...more >>

Hi, I have a composite web custom control which contains a DataGrid control Within the control I register the interest in the SelectedIndexChanged event of the grid. Even if the page is postbacked when the user selects an item on the grid the the handler of the event inside the control is not...more >>

Under .NET, why doesn't the "class" attribute seem to apply to elements that refer to a specific stylesheet reference? I've verified that the stylesheet is being referenced by creating styles that refer specifically to HTML tags. But if I want to call on a particular style just using the "class"...more >>

Hi all, I created a composite web custom control which encapsulats a DataGrid control plus some other controls. I overriden the Render method of my custom control and try to render the grid using myGridControl.RenderControl(output); But the control is not rendered even if my grid has the...more >>

Okey, here's a puzzler: One of our users reports that when she tries to complete a data entry form, the dropdownlist and radiobuttonlist controls work fine but she can't enter anything into the textbox controls. Nowhere in the codebehind is any textbox's Enabled property being changed to false...more >>

Hi, I am trying to access the value of a text box in a DataGrid from inside JavaScript. I have tried the following: void Item_Created(object sender, DataGridItemEventArgs e) { Button b = ((Button)e.Item.FindControl("AddUserButton")); TextBox t = ((TextBox)e.Item.FindControl("Textbox...more >>

I cut down the code to make this half way understandable... I have read Data Grid girls caution about over use of dynamic controls. I truly believe what I am doing requires dynamically inserted user controls. Worse I'm trying to add dynamic user controls from within a repeater loop (looping t...more >>

Deployed the same code containing validation server controls to two different sites. The controls function on one site, but not the other. Confirmed the versions are the same. Could this be some sort of configuration or IIS version issue, or whatever? Thanks...more >>

I've written an extender provider for windows forms controls and ASP.NET web controls. My windows forms solution works fine, but my ASP.NET solution does not persist any property values I enter via the visual studio property grid. Upon examination of the code within InitializeComponent I can se...more >>

Hi all, I have to replace a bunch of controls dynamically (TextBoxes, DropDowns, etc). Any way to do this? The 'template' pages are made on asp.net with tables (not runat=server) and asp:textboxes, etc. So I need to do a loop on the controls of the webform, but alas! they are read only. ...more >>

Hi, I'm inheriting a LinkButton from a WebControl.... public class LinkButtonFromWebControl : System.Web.UI.WebControls.WebControl However, in the aspx, if I add the "CssClass=", "CausesValidation=", etc attributes to this control... <Custom:LinkButtonFromWebControl id="LinkButton3" run...more >>

Hey all, can the asp:button be used like a toggle button? I don't really need to use the asp:button, I basically just need a toggle button that looks like a regular input button that will stay depressed once a user presses it. I plan on having two buttons (A and B) on a webpage. When the pag...more >>