Hello guys, I have an application which is built upon several user controls. That is, I have a default template (default.aspx) that I load a user control into (using placeholders in the template). Now, the template also contains a placeholder for buttons used by each user control. The curre...more >>

Hi, Is there a way to load the src for Frames dynamically? or it is static I have got a frame which has got top, contents and main... i want to load different options in contents and top frames in different contexts.... Thanks Nedu ...more >>

Hi, I am trying to design a Home page for my applicatiion in which i want show the links for for some itms... I tried to put the following <td> <font face="Arial, Helvetica, sans-serif" color="#ffffff" size="2"> Contact | My Profile | Logout /font> </td> Here i want to have link for th...more >>

Hi! I'm trying to understand how I can use a UserControl across projects. Basically it's a Header.ascx file (along with the code-behind .vb file). I'd like to be able to use this header in several projects for a web site. Do I have to import the component files into every project? Or is it p...more >>

I am having trouble getting a web user control that I created to work the way I need it to in my ASP.NET app (I am using VB for the script). I am doing a survey (Q&A) type application where I need to create custom 'text boxes' so as a first step I created a ascx file with a text box in it...more >>

I have a custom control I derived from the datagrid control and set a couple of values in viewstate("foo") = "bar" but on postback they are nothing. I have seen an example of doing this in the O'Reilly book "Programming asp.net" pg 645. I must be missing something. Any help would be greatly a...more >>

I have a test usercontrol, It works fine from the HTML page of the webform. If i want to manipulate the control (properties, methods) I can get that to work if add in dynamically at run time. Adding it to the webform at design time (drag and drop) doesn't allow me access to the properties...more >>

hi all, Iam trying to investigate some serious memory problems and ways to optimize them in our web application. some of the information i collected using the performance monitor, is that number of assemblies loaded per appdomain is large, we have a lot of pages which are using number of u...more >>

I all, my employer required me to add a bunch of control to a datagrid (such as a drop down list on top corner to select page size and prev, bunch page number adapted to current page, next and other button like export to excel). All of those control do not required databinding (except of course...more >>

I am using third party software to view and manipulate images in a C# project. I access this software through several .dll files which are references in my C# project. This project is one of seven projects in a large web application. For client computers to use these third party .dll fi...more >>

I'm having the problem with this drop down list on postback. For some reason both the ListItems get selected when I change the selected item. Using the code below I'm building the drop down list in the overriden CreateChildControls method and setting the selected item. Then when I change the ite...more >>

I have a question concerning Viewstate and how it relates to a Control's event handler (if at all). I did not think there was any association between a Control's viewstate and an event handler until I attempted to clear Viewstate from the Page. Here is the problem I am facing: in our sys...more >>

Is there anyway to get the value of a dynamically added textbox that was added after OnInit in Page_Load on Postback? Page_Load Dim tb As New Textbox page.controls.add(tb) tb.text = "ASP.NET" End Sub But1_Click label1.text = tb.text End Sub My problem is tb.text is bl...more >>

I am triing to load a control derived from a datagrid into a composite control so I can wrap some html around the datagrid. it renders the html in the composite control but does not render the dervived control. The derived control works fine on it's own. I got most of this from an O'reilly bo...more >>

I'm sure the answer is something simple, I'm just new to this environment... I made a custom control (code to follow). I can register the control with the toolbox and use it on a page. If I enter property values *different* from the default values, they get put in the HTML, and they work. ...more >>

Maybe I did this wrong. I think I did but I built some textbox controls using Javascript and I call the javascript function that builts and adds the controls to the page when I click an htmlbutton on my aspx page. Now I have a problem. I can't access the controls after they are added. I view ...more >>

I have following structure for my project myproj Controls/control1 morepages/special.aspx specialpages/webpage1.aspx scripts/filename.js default.aspx I have a control1 which has a public property name ScriptFilePath for bring in external javascript file. E.g it ...more >>

I've got a custom usercontrol (UC1) that dynamically loads another custom usercontrols (UC2) during it's Init event. Both controls have LinkButtons with click events. The LinkButton from UC1 properly goes to it's click-event handler but the LinkButton from UC2 does not fire it's associated cli...more >>

Hi, I would like to create a TextBox containing a Hyperlink (Only to visualize the user that he/she can click on the link in the TextBox. The TextBox should be ReadOnly.). Does anybody know how to do this? I imagine a CustomControl but don't know how to start. I'm also looking for a good...more >>

I was just getting ready to buy the book by MSPress called "ASP.NET server controls and components" which I have looked at and also read some great reviews on, but then I saw that apress came out with a new book on the same topic: http://www.apress.com/book/bookDisplay.html?bID=262 Has anyo...more >>

I have tried retrieving the image data from NorthWind database and print in the asp page using Repeater control. But instead of showing picture, the browser is showing "System.Byte[]" My code is In codebehind file. private void Page_Load(object sender, System.EventArgs e) { if(!Page.IsP...more >>

Hi, I have a dropdownlist in vb.net (server controls). Based on the user's selection from the list of items certain textboxes have to be disabled. I wrote a code but it only seems to work once the page is loaded (which is also what i need). I need it to work also after the page is loaded and ...more >>

Hi, I am trying to create a webpart with a dropdownlist (MS say it is the same as an asp.net server control). All works fine except that the ddlist does NOT maintain its viewstate (I have set EnableViewState = true). Controls are all being created in CreateChildControls override (as ...more >>