Hello folks... Any tip to solve "htmlfile: Invalid pointer" error ? This error occurs when PostBack fires ! Just when i using SmartNavigation... ...more >>

Hi, when modifying my customserver control, I did not look at it for more then 2 weeks, I received an error: InvalidCastException: QueryInterface for interface ..... The interface was my COM object dbRecord.DLL, the method was a logon, but I receive the same errors with other simpler methods ...more >>

Hi I am creating a custom button control, inheriting from System.Web.UI.WebControls.Button. I need to add client-side script to the onclick event. The problem is that the onclick attribute is generated by the Button base class if validation is enabled. If I override the AddAttributesToRender ...more >>

Hi, I'm having a problem with loading and adding usercontrols dynamically after CreateChildControls. To be more specific, I have a number of buttons and a PlaceHolder control. When the user clicks one of the buttons, I want to load and add a different usercontrol in the click event handler, wh...more >>

Hi All, I am looking for help with getting the Value property from a htmlinputfile control when the user selects the Submit button on my form. I need to gather the file name only and not perform a File Upload procedure. Thanks in advance, Bob Hanson Centare Group Ltd. *** Sent via D...more >>

Hi, I'm trying to generate controls like textboxes, drop downs dynamically. I need to get their type and the values from the DB. Any suggestions on how to generate them? Thanks Adi...more >>

I have solved most of my Server Control Collection property issues. I wrote an HTML page that describes all of the problems that I have encountered to date and the solutions (if any) that I found. http://users.adelphia.net/~brianpclab/ServerControlCollectionIssues.htm This page also has all of t...more >>

Hi, I have problem with placeholder which contain web user control. I want to add user control in placeholder. For example I have a.aspx and in this page I have a placeholder which is dynamically added web user control lets say at a time it is added that b.ascx. In this b.ascx I have button and ...more >>

Hi All, I'm building an Webcontrol and overriding OnPreRender i want inject client javascript, but RegisterStartupScript and IsStartupScriptRegistered is not been shown in the list of methods of Page object. If i put Page.IsStartupScriptRegistered or Page.RegisterStartupScript in code i do...more >>

Hi I created a user control that has a property that accepts a url ("NavUrl").. I tried to set the value as follows directly in the aspx page where strLink would be a link. <uc1:mycontrol id="mycontrol2" runat="server" HtmlContent="html stuff goes here." ImgUrl="myimage.gif" NavUrl="<%Response....more >>

i have following sample Control [ParseChildren(true)] [PersistChildren(true)] public class MyControl: System.Web.UI.Control { MyCollection values_ = new MyCollection (); [PersistenceMode(PersistenceMode.InnerProperty), DesignerSerializationVisibility(Designer...more >>

I have a custom control that generates client scripts and uses viewstate This control is placed in a user control that is placed in my application pages When I use OutputCache directive in the ascx (so that the control will not be generated each time), the client script and viewstate data of the c...more >>

Hi Guys, I have been having a big problem with trying to pass parameters into a user control when the user control is dynamically loaded into a placholder. I am developing in c#. I have get and set methods on the user control "editButton.ascx" which work fine. How do i pass parameter into...more >>

Hello I have the following situation: (everything is dynamic (controls.add)) 1. Button.Init { WasButtonClickFired = true } 2. TextBox.TextChanged { WasButtonClickFired? } 3. ImageButton.Click { } I need a way to get the TextChanged event not to fire or at least to know ...more >>

Hi all: I want to write an iterator class for GHashTable which belongs to GNU glib[ c library ] .Access function of GHashTable now only support internal iterator and define struct _GHashNode { gpointer key; gpointer value; GHashNode *next; }; and struct _GHashTable { gi...more >>

I need to make visisble/invisible my user control at runtime I am using code-behind and there is no access to the control here What do I do ...more >>

Hello List, I have a custom web control that during the render phase of the controls life cycle I am rendering a table with one row and two columns. I have text inside a column of this table and I want a user of my control to be able to change the Font properties of this text. Below is the code...more >>

Hi, to all.. I have 2 web controls (MyDataGrid.cs, MyCalendar.cs The first inherits from calendar, and i have implemented the event MyCalendar_SelectionChanged and inside of this i put in the viewstate a datatable that i filled (and its filled, i verified)... like this Viewstate.Add("DATA"...more >>

When I use System.Web.UI.WebControls.Image, ASP.NET automaticaly outputs : <img border="0" /> Is there a way to prevent this border="0" to be added, without creating a custom Control? ...more >>

I have a composite control which dynamically adds controls depending on how it is intialised from an XML file. This all works well with web controls. I want to be able to add an htmlinputfile server control. This best I got so far is a literal e.g. fileid = "<input type='submit' id='submit1' ...more >>

I am building a combobox webcontrol which works from a collection of ListItems similar to a standard DropDownList. It uses AddparsedSubObject to load the nested ListItem objects (below). <cc1:combobox id="ComboBox1" runat="server"> <cc1:ListItem Text="test1" Value="1" Selected="False"></cc1...more >>

I am creating a control which will upload files. The problem I am having is the button event I have created does not seem to see the files getting posted to it. My first guess is that my event is not posting the form. I can add a submit button. How do I create an event that will respond to the s...more >>

I have a form shared by several aspx pages. It's the only form appearing on the pages, so I though I would encapsulate the form in a User Control to simplify maintenance. The ascx page looks like: <%@ Control CodeBehind="myForm.vb" Inherits="Project.myForm" Language="vb" AutoEventWireup="false...more >>

Hello I am trying to use a template in my asp.net application so that, I can use the same code for different sites (each site must have a different template - style and content). What would be the best approach? I came across a few articles that talked about using template controls. I am not sure ...more >>

i would very very much like to change the browse button on the file upload to one of my own am i right in thinking if i create an inhertited control and overwrite its TemplateSourceDirectory (inherited from Control) can I point the control to a aspx page containing a textbox and my own button...more >>

is it possible to get the repeater control to display items across a page i realise that i can use table cells to get it to repeat across but that would just repeat in one row on and on <table><tr><itemtemplate><td>index=index+ </td if index=mod(count of items rendered / 3.... e...more >>

Is it possible to do sth like this ? Page's code part: Private xmlObj As New XmlDocument(......) ---------------------------------------------------------- Page's HTML part: <MyNS:MyControl runat="server" document="xmlObj" /> ----------------------------------------------------------...more >>

When I set one of my custom control properties programmtically the control, as below, the control gets the value and spits it back out at the right place. Everything works fine. EdsControl.TrailDelimiter = " ***> "; When I set the property value in the tag the property value is not set ...more >>

Ok, newbie question here: I want to display a dynamic menu using Response.Write statements in a user control, but the output comes out at the top of the rendered page instead of where the user control is located on the page. Is there a way around this? TIA. Éric ...more >>

I'd like to support top-level styles in my control. I created a property (per Developing Microsoft ASP.NET Server Controls and Components). And added ViewState Load, Save, Track, etc per the book. When I run my app the parser complains about the BackColor="Red" inner text. I don't see why I'm...more >>

This is my first attempt at building my own compiled custom= control=2E I have a custom control that contains a textbox and a= listbox=2E In a given aspx=2Evb class I will instantiate my custom control and= bind its listbox to a datareader, (If Not PostBack)=2E The custom control loads on th...more >>

I'm having some weird things happen in design view while editing= a custom collection - I've been at this for about 4 weeks now,= and have tried all the different combinations of persistence= settings (DesignerSerializationVisibility, PersistenceMode, etc)= there is, and all to no avail! I'...more >>

I have been struggling with this for a long time now, and am beginning to think that what I'm attempting isn't the correct approach. The short version is that I want to be able to add a webcontrol to a page, and have that webcontrol have properties that reference other webcontrols and/or compon...more >>

I have a custom control which uses an XML file in the = CreateChildControls event, the XML file is used to determine how many = and what composite form elements to add. I can set the path to a = different XML file on Page_Load event of the parent page. When I press a = button even if contains no...more >>

I've been developing a custom server control that composites a Calendar control and several other controls. In this class, I have two properties that can be set either at designtime or at runtime. The two properties are of Integer type and represent the minimum and maximum number of detail li...more >>

Hi all, I'm desperately trying to build a tab control for our internal corporate web sites. I have it up and running fine in run-time mode. The problem I'm encountering is trying to build a designer that would render some semblance of the tab control's state at any given point. The tab c...more >>

I'm having some weird things happen in design view while editing a custom collection - I've been at this for about 4 weeks now, and have tried all the different combinations of persistence settings (DesignerSerializationVisibility, PersistenceMode, etc) there is, and all to no avail! I'm hoping som...more >>

I am building a custom composite control which reads in information from an XML file. I want to be able to point my control at different XML files for maximum reusablity. How can I pass a parameter to my component. I am a bit new to this but ideally would like the rest of my team to be able to us...more >>

Hi I add butoon dynamidly to page but I have to double clock ob button until it work I set auto post back =true for butoon that if i click just one time on it it run the void but still I have to click button twic //new Ro TableRow r2 = new TableRow() TableCell c20 = new TableCell() c...more >>

I have a custom Grid control which inherits from ASP.NET DataGrid control. In this custom control I also have some other server controls e.g. a drop down list to manage paging for the grid. I want to disable viewstate on main Grid but I do want to maintain ViewState for child controls like pager...more >>

Hi, I'm trying to build TextBox based custom web control. Part of this control is shadowed CssClass property: <Description("Choose Css property from the list.") _ , DefaultValue(GetType(CssType), "RequiredInput") _ , TypeConverter(GetType(EnumConverter))> _ Public Shadows ...more >>

how can I call class b method b, from class a method a ? ...more >>

I am developing a custom control for web forms using VS 2003=2E I= am putting the control in a custom control library project which= will become a dll=2E This control uses a small bitmap=2E I don't= wnat to have to copy the graphic file into each web project that= will use this custom cont...more >>

how to put checkbox control by using checkboxlist within the repeater? ...more >>

Hello all, I have a problem in using the DataGrid. In my web form, i've put a <asp:button/> button, if it is clicked, a function will be called to connect to the database, get the data and return as a dataset. Finally, a DataGrid will be "binded" by the DataSet. that is....something like ...more >>

What is the difference b/w a usercontrol and a Custom Web Control ? When to use the usercontrol and when to use a custom web control ? How to add javascript to the Elements in the custom webcontrol ? Any pointers for the above questions are highly appreciated. Thanks for your time. Rega...more >>

This is one that has had me puzzled for some time and although I assume that the solution is relatively straight forward but I haven't yet seen an example or solution or managed to work one out. If you create a user control for header, navbar etc the hyperlinks only work if the relative locati...more >>

I added a fontinfo property to a custom control public FontInfo TitleFont { get { return _title_font; } set { _title_font = value; } } In the designer TitleFont it is not expandable like on all other controls Font properties. Instead it is just a blank text box that you can type text int...more >>

Hi Group, Is their an existing convenient method for determining if a usercontrol has been loaded for the first time? The usercontrol itself may be initially loaded on subsequent postbacks, not the initial page access. I am assuming I cannot use IsPostBack, as that appears to refer only to ...more >>

I've been struggling for a day and yet haven't found a solution to such a problem: I have, let's say, an apsx page, which contains a UserControl, which adds to it's Controls collection a new control, dynamically loaded via LoadControl, which in order is also a UserControl, visually designed. ...more >>