Hi, I use aspnet 2.0 and i'm learning about data-bound controls. Sometimes, i get this error below, but the code of the aspx page is ok because i ran it several times. I use indeed a .mdf file located at that place. What's the problem and how to solve it? Thanks Phil Unable to open the...more >>

im building a much nicer interface for paging (with page number links, next, previous etc) commands using a repeater control to put on my site http://www.aspnetdir.com right now im using an embedded code/control approach -- im not very comfortable with it so i need suggestions... id appreci...more >>

Hi, Is there a way to use a hyperlink control for downling a file from the server to the client? Currently, it works if I run the web app from the server. However, when I run the app from a client and right-click the hyperlink, it shows a popup menu including 'Save Link As' but when I selec...more >>

I am getting the old "Failed to load viewstate." error and I can't figure out why. ERROR: "Failed to load viewstate. The control tree into which viewstate is being loaded must match the control tree that was used to save viewstate during the previous request. For example, when adding con...more >>

Hello, I have a menu bound to a SiteMapDataSource which reads from my web.sitemap. I'm using the menu in a master page and everything works fine but I need to some of the menu items to be disabled depending on the user who is accessing the web page. For example I have a menu as with the...more >>

Hi. In the shiny new ASP.NET 2.0, if you have a web project and you create a set of User WebControls, is there a way to set those controls so that I don't have to insert the whole <%@ Register tagprefix="XYZ" Tagname="MyControl" Src="~/BlahBlah/MyControl.ascx" %> at the top ...more >>

I don't want the user to see any links on the previous or next month days. Is there a way to supress the underline on the days in a calendar control. Maybe something like a text-decoration: none; Thanks, Jim ...more >>

I am getting this error message when I compile and run my application: "Could not load file or assembly 'Microsoft.Web.UI.WebControls' or one of its dependencies. Access is denied." Please help. ...more >>

Hey Guys, I am trying to create a DropDownList with Hyperlinks as ListItem. I am creating a web page with ASP.NET and VB Any suggestions or Solutions to my problem? ...more >>

Hello Everyone, A co-worker and I came across something strange when a listbox is placed on a page with a menu (these are the standard 2.0 controls, of course). The menu is set to horizontal orientation and contains a few submenu items. It seems that if the height is set on the listbox (a...more >>

Hi, Im not really experienced with web applications. I am using vb.net 2005. I have a gridview where, when i press the select button, the information is shown in detailsView. I chose that because gridview does not support delete capabilities. Everything works fine :). What I need is simple ...more >>

I have a menu on a webform that is bound to a SiteMapDataSource which is linked to a web.sitemap file. When I have more than one sitemapnode in the sitemap element of the web.sitemap file I get the following error "Exactly one <siteMapNode> element is required directly inside the <siteMap> e...more >>

We have a set of web server controls that inherit directly from their parent web server control and implement INamingContainer. We need our code to be 508 compliant but are having trouble with the FindControl method in AddAttributesToRender does not find the AssociatedControlID. Our test lab...more >>

Hi, I have a number of TextBox'es and do AutoPostBack of the form for every text box that the user leave (to handle data along the way). However, the tab order is broken for every postback, and the tab order starts from the beginning on every load of the page. Is there a way in ASP.NET 1.1 ...more >>

Hi all, Simple (?) question. I have a webcontrols.datagrid with a button column. Depending on the data in the row I want the button to be enabled or disabled. Optionally, I want the button to be visible or not visible. I'm building the datatable record soruce from scratch, so I'm visi...more >>

Anybody seen any good documentation, paterns or best practices on how to design and develop custom ASP.Net server controls? I am looking for good examples and discussions on the following topics, among others: How to best use CopyBaseAttributes and Apply Styles? And just how to best render...more >>

A client of mine has a young man who has written a web app (a CRM in dot.net 1.1) using many frames .it looks good , but is hard to maintain, passing, as it does, parameters from one frame to the next. These parameters allow the synchronization of datagirds, leading to my technically naive que...more >>

How do you change the minimize,close,restore function of a webpartzone. What I want to do is only allow minimize and put the link on the webpart zone instead of in the arrow drop down list. Minimize Instead of >Minimize ...more >>

The webpartzone is rendered as <table cellspacing="0" cellpadding="0" border="0" id="ctl00_ContentPlaceHolder1_WebPartZone1"> <tr> <td style="height:100%;"><table cellspacing="0" cellpadding="0" border="0" style="width:100%;height:100%;"> I want to use DIV instead of TABLE to render ...more >>

Hello, I would like to know how do display an image into a Gridview (ASP.NET 2.0) taken directly from a DataBase, NOT using an URL, like described in this article: http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dnaspp/html/GridViewEx06.asp I have NO URL, i have the binar...more >>

Ok I am working on the simplest thing ever that is turning in to the biggest train wreck ever. I have a database with a series of photo albums and the image path & name for each image. I pass the info to the gridview via the Query string. The thumbnails load with no problems as long as I use ...more >>

Hi Everybody, I like to know how to make the SelectedIndexChanged event of dropdownlist inside a DLL class works? Please provide actual codes? The DLL is like DateTimePicker. This dll is used for selecting date but I need to filter the days for specific month selected. For example, March...more >>

Hi guys, someone know how could be possible open an htm page or asp page (created for example using frontpage) inside an aspx page (created using ..NET 2005)? I have a populated list box on the left of my aspx page and any time that the user chose an item on it I have to change the htm/asp pa...more >>

I've created a class in a .NET 1.1 C# class library project deriving from System.Web.UI.WebControls.DataGrid. When I try to use this class in my .aspx page, I get loads of parser warnings in the Task pane telling me that e.g. <HeaderStyle> is not supported by the active schema. This is true for a...more >>

Hi everyone, I'm currently investigating some controls for a web + win application. Can anyone recommend on a company he knows and worked with? Thanks Yoav...more >>

I am using framework 1.1 I have a user control and a web page. I want to set up properties on the user control, so I can access the text boxes on the user control when I am in the code behind page of the 'main' web page. I have done this so far... 1) On the user control... in the #R...more >>

Anybody figure this out? I can't figure out how to get the node's client side control ID in order to grab aholt of it. I've seen a post that says that the node's ID is: TreeView.ID + (index of the TreeNode in TreeView.Nodes collection). The problem is that, even after a postback, you ca...more >>

I'm developing a simple ASP.Net web page in Visual Web Developer 2005 Express. I know in my VB.Net code I can call the SetFocus method of my page to set the focus to any control. But is there a way of determining which web control currently has the focus? GetFocus would seem a nice choice for th...more >>

To my great surprise the following code is not working. I expect TextBox1.Text to be changed each time the dropdownlist selected index changes. It works in Windows application but surprisingly not not WebApplication web form. Private Sub Page_Load(ByVal sender As System.Object, ByVal e As ...more >>

Hi I have a vs2003 .net calendar control and what I need to do is when the user makes any selection for the entire month I need to get the year and month of the selection but then also need to get just the last day of that month and year. I looked at the calendar class but did not see anyway ...more >>

Hi; In my code-behind, is there a way to get the data returned from the Select() call from an ObjectDataSource? I know I can call it again, but when the page is first created ASP has already called it to populate controls and I would prefer to not call it twice. Also, is there a way to f...more >>

How to make button which has a underline character for shortcut key? ...more >>

I have a directory on my site that I keep a bunch of text files in (this directory is "/poetry/poems/"). The Application keeps the first line of each of these files in an HttpApplicationState variable as a SortedList. When I add or modify a file in this directory, I want to delete this HttpA...more >>

Hi, I have a LinkButton in a TemplateField inside my GridView How do I access this control in the RowDataBound handler? I've tried this: Dim LinkEdit As LinkButton If e.Row.RowType = DataControlRowType.DataRow Then LinkEdit = e.Row.FindControl("LinkEdit") LinkEdit.CausesValid...more >>

Hello, I am trying to implement a DataSourceControl and I need to simulate the same functionality as the SqlDataSourceControl : being able to set declaratively the select parameters to use when binding a DetailView to the Selected Row in a GridView, but I have difficulties with the sample in ...more >>

Is there a way to use the FormView for Selects, but let it post back for Inserts and Updates? The problem I am running up against is that, if you use an SQL DataSource for the Formview, and you only speicify a SELECT command in the SQLDataSource, you get an error when you click the "Insert" lin...more >>

Use of SmartNaviagtion appear to cause a serious perfomance hit, I'm not working with ASP.Net 2.0 yet so MaintainScrollPositionOnPostback=True isn't an option either. Is there a way I can persist the user's scroll position in a datagrid, are there any other options? Thanks ...more >>

Hello, I'd used before methods like RegisterStartupScript with ASP.NET, but this problem I was unable to solve yet using this method. I have a web form with a few web controls - textbox, dropdown lists, calendar control. If the textbox has a value- I need to disable all other controls when ...more >>

I have a datagrid that shows approximately 1000 rows of data. I haven't used paging yet, but I may need to yet. When you click on Edit to subsequently Update or Cancel, the page 'reloads' and brings you back to the top of the page. So, if you were trying to edit something half way down the g...more >>

Hi all I have a situation where I have a composite web user control which centralizes a db lookup. I am having a problem where it seems viewstate is being voided and it always loses it's selected index. I have properly wrapped the ispostback, so I am sure it is not getting overwritten tha...more >>

I've seen info regarding using CSS to control browser verses printer output, however I'm not sure I'm on the right track. The goal is to have a printable version w/out having to code a duplicate page that is printer friendly. 1. I don't get how to use the CSS method, perhaps I havent' read e...more >>

It's my understanding, in order to sort a datagrid you have to create a new DataTable, correct? So, if on the load of the page, you do something like this: 'adosDS & AdoConn are global in this instance Dim adoSelect As New SqlCommand Dim adoDa As New SqlDataAdapter adoSelect.CommandType ...more >>

I've got a treeview that i'm filling using PopulateOnDemand (ajax calls). The TreeNode isn't sealed, so I thought I could extend it (call the new one SuperTreeNode) and add a bunch of data to the new node that I need to keep track of. But when the TreeNodePopulate event fires and I get the n...more >>

hello! I have a question about getting dynamic control's value after postback(or submit). I've read a lot of article and have some idea. It's seems that if I want to keep the dynamic control's layout and value, I have to make some *extra work" to keep control's hiararchy,such as using arrayli...more >>

Hi there, I guess it maybe easy for you-- I create a custome control inherited from GridView, But when I start to use in the page , in vs2005 , I lose the intellisense for anthing in <columns> tag. It's not a big deal, but it's relatively painful when you know you can do it in GridView. I ...more >>

Hi, I have a month column that is stored in SQL as an Int field. I would like to change it after the stored procedure which means when it loads into the DataGrid. I've tried several different things but none seem to work. I've made the column a Template field but I can't figure out the Synt...more >>

This has been asked repeatedly many times and no one has been able to answer it. Now, I have the problem too..... why are CompositeControls so hard to make show up in the Toolbox? Why do they show up sometimes and then disappear? What's magic combination of tricks need to happen in order for ...more >>

I am new to ASP.NET. I am getting the following errror, when i tried to run a website that has 'Password Recovey' control in it. I think the error has something to do with the SMTP mail settings. Can anyone tell me how to set up email settings for the password recovery control to work properly. ...more >>

Working off of the Wicked Code article by Jeff Prosise... http://msdn.microsoft.com/msdnmag/issues/06/02/WickedCode/default.aspx I am trying to build my sitemap on multiple tables. I have tried this many different ways with not the ideal results. When building the sitemap with a storedproc...more >>

Hello, I have been developing a website locally for quite some time now in ASP.NET 2.0/C# and all of the web controls (locally) have IDs like this: ctl00_ContentPlaceHolder1_ddSearchType I just uploaded it to our live site today, for the first time, and now all of my IDs look like this: _ctl0...more >>