Please note: ======================== I have posted this message on two other boards. On one board I have not had a response. On the other board the response was a link that did not address my question. ======================== Question: I would like to add a ButtonColumn to a datagri...more >>

Hi all, Longtime ASP developer getting feet wet with ASP.NET, has banged head on this problem for many hours, go easy. :) The Code Project has a nice article on making a "self configuring form mailer web control." Basically, you apply this control to any form with ASP.NET textbox server con...more >>

i have a web based application that uses a lot of OCXs. i am planning on rebuilding my application. how do i replace my OCXs. is Smart client an answer to my question. ...more >>

We have a repeater inside a datagrid inside a repeater. How can we access the datagrid from the inner repeater? We've tried something like this in the inner repeater's itemdatabound: DataGrid dg1 = (DataGrid)parentRepeater.FindControl("DataGridControl") The code doesn't work. Any ...more >>

I'm able to get the data binding information on Windows controls via System.Windows.Forms.Binding bind = myControl.DataBindings["Value"]; I can then look at the bind class to get the datasource, table, column information. How do I do the same thing for a web control? TIA Jerry ...more >>

I am trying to create an app that will be able to grab data from many different databases, and combine that data into one page. I do not know at design time how many servers I will need to connect to, that information is collected at runtime by reading a configuration file. What I want to do...more >>

Hi all I wrote a WebControl and placed it onto an asp.net page. This webcontrol has a reference to a System.Component also on the same form. When I set a reference to the component and run the app I get an exception.... I see that if I place a datagrid on the page and set the datasou...more >>

Hi all I want a validator which A) Doesn't validate a control B) Is able to report more than one error The reason for this is that I am validating a whole business object based on a list of expressions, rather than individual controls. Is it possible to do this? Could someone please te...more >>

I'm trying to update or delete records using a gridview, but every time I try (either on my own or copy from an example) , I get the error: System.Data.SqlClient.SqlException: Must declare the scalar variable '@uid'. my datasource commands are: gridViewDataSource.SelectCommand = "SELECT [uid...more >>

I've inherited a developer's first ASP.Net site, and he used all grid layouts and absolute positioning. In most pages he has used multiple panels with controls in them, all located in the same position, one on top of the other. Then he hides and shows each one as needed. But this makes it a...more >>

Hi Everyone I have a menu which is generated using xml and xslt. When I click on one of the menu items it displays its submenu. Since the menu has higher z-index it covers any other content on webpage except dropdownlist. I have seen a posting on internet saying that the d...more >>

I have two ListBox server controls on a webform. ListBox1 is bound to a dataset in the Page_Load method and displays a list of All Departments. The user can click on an 'Add' button to add departments from ListBox1 to an adjacent ListBox2 that displays 'Selected Departments'. ListBox2 is also bo...more >>

Hi, I'm creating an online application that should be able to send out emails in HTML format. The problem I'm facing is the inability to embed images into the mail. I would very much appreciate if you could provide me with a solution. I don't mind using any free component that does the above...more >>

Hi, I need to run a vb.net or aspx.net file every 10 seconds. The Task Scheduler in Windows 2003 Server can only do it every 1 minute at the minimum, but I need it every 10 seconds. Is it possible to write a small program in VB.NET that would run in the background without using much resources,...more >>

On an ASP.Net web page that has a HTML Input file control run on the server side, is there any setting that limits the size of the file that can be uploaded? Is there any validation code that runs when the value of this type of control is selected? ...more >>

I've got a user control with a series of WebControl Buttons, rendered as tabs (for WebForms). I'd like to loop through these buttons / tabs to set their properties. I've used the foreach (Control objTab in this.Controls) construct but it gave me an error "The type or namespace name 'Control' c...more >>

Hello All, I have a page that dynamically adds one of many usercontrols to a placeholder on the main page based on a parameter passed to the page. Here is my problem. The usercontrol may have something as simple as a label or a datagrid and I get the same error. The control renders in ...more >>

Hi, I have created a composite control which has some drop down lists, buttons and a list box. The button clicks add items from the drop down lists to the list box, but the list box only ever shows with 1 (the latest) value. From what I have read, a ListBox does not store viewstate with rega...more >>

Hello I was wondering if you guys know if its possbile to get the week number in the calendar? /Lasse ...more >>

I've searched in vain to find the answer to this question, so hopefully someone can help me. I am creating a web custom control that will have other nested content. I have set parseChildren attribute to false, so I can embed the content in my finished output. When the control has been pla...more >>

Is there any way to make a UserControl catch all its exceptions? (I have a webiste built on one page with placeholders that load controls, so even if one of the controls throws an exception I still would like to be able to continue load other controls). It can be done of the System.Web.UI.Pa...more >>

Hi I have some common UserControls i want to share between to sites (on the same mashine but on diffrent virtual paths). right now i have on solution file with aprox 10 projects. 2 of these is webprojetcs wich need to shere some common userControls. Optimally i want a class libarary proj...more >>

Hello all, I made a drop down list, and bound it to a column, I then have a data grid that is bound to a table. I would like to select from the ddl and whatever is selected, that should show up in the data grid below. Here is my code. Thanks for all the help! Rudy Private Sub Page_...more >>

Hi, I have a web page that extensively uses user controls. In my Page_Load method in my code behind for the web page I want to populate some of these controls in the User Controls How do I address these controls ? They dont seem to be visible as a "normal" control would be ie. there is...more >>

Hi All, I have an ASPX Page, and I want to create "Dropdown list" in the run time and then upload its content to a database Could any one help me on how to do this? ...more >>

hi all... i'm trying to use a calender control inside a table, since i don't want to display the entire calender at once, i downloaded a control from: http://www.codeproject.com/aspnet/DateTimePicker.asp which use a text and a button to display it. problem is if i try to use inside a tabl...more >>

Hello, I have created a UserControl (actually, a From/To control, containing two list boxes and four buttons: MoveLeft, MoveAllLeft, MoveRight, MoveAllRight). It works fine, but now I need to raise the following two events so that in the container I can, depending on whether the "TO" list i...more >>

I'm looking for a input control for a tree type data, specifically to select a department within an organization. When it's collapsed, the control would just show the selected node/department. When selected, has focus, etc, it would show the tree structure. Has any heard of such a beast? -M...more >>

Hi! I'm doiing a Project Management software. And i'have a little problem. I want to display tasks - tasks are sometimes dependent of other tasks and i want to display something like this: - task1 - start time; end-time; -user -task2 - start time; end time; user -task3 ...more >>

Hi, I have attached a RegularExpressionValidator Control to a textbox to accept numeric values in the format: ###*#####*## I have entered the following regex in the ValidationExpression: [0-9]{3}\*[0-9]{5}\*[0-9]{2} or [0-9]{3}[\*][0-9]{5}[\*][0-9]{2} but validator fails to validat...more >>

I'm stuck on trying to get the following to work: I am using VB.NET to program ASP.NET...my task is to create two pages, Main and Child. In Main, I have linked a javascript function to a button in order to popup a second window (Child) where a user can enter information, hit the button, and t...more >>

OnChange even of a CheckBox should respond to both check and uncheck events. However, it seems it only respond to check event. Any thoughts? BTW, I am using it in a datagrid, would that change the behavior of the checkbox? Thanks! ...more >>

Hey guys I am using the IE Web controls treeview control. I popuplate the treeview with XML and it looks fine........... my question is how can I add a right click popup menu to the treeview control so it shows when a user right clicks a node in the tree. Does any1 have any tips and trick...more >>

I found that both textbox and label renders diferently for the same string that I have. The string looks like this: "<something>" Textbox renders is as it is but label sees it as a malform html tag. I have use HTML.Decode method. Below is a sample code: sample code: string message1...more >>

I had done the following code: private void Page_Load(object sender, System.EventArgs e) { if (!Page.IsPostBack){ DropDownList1.Items.Add("Item1"); DropDownList1.Items.Add("Item2"); } } and private void DropDownList1_SelectedIndexChanged(object sender, System.EventArgs e) ...more >>

Hello, I am *VERY* confused - I understand that the Page_Load event of a user control is completely independent of the Page_Load event of the container page. I just started with User Controls and now I was trying my hand at creating a "navigation" control. Assuming that I name a sequence...more >>

Hi, I need to use a Masked Edit Control in my ASPX page. In VS.Net, I added the reference to MSMask.dll for my application & also added the MaskEdBox to the Toolbox. After adding the control to the web form, when I select the control & see its properties, I do not see the "Text" property. I a...more >>

I have 2 tables on my webpage. On onmouseover" event of any row of first table ,i am calling one function to change color of the row. For that i am passing the row No and table name. On click event of the button "<Add rows>" i am adding one row in "tabl1". The statement written for this is like ...more >>

I have a datagrid with several columns - one of which has a large amount of text to display. I have set the width to be 500px and have set wrap="true". For most of the data this is working fine. The problem is when the data doesn't contain any white space - like a long, fully-qualified filena...more >>

Hi, I have created a composite control which has some drop down lists, buttons and a list box. The control renders itself dynamically via CreateChildControls() according to a property set by the web form - page load. This is fine the first time the control is rendered. When any of the but...more >>

Hi, I have 1 parent user control and 4 child user controls inside that. the last user control has problems with viewstate. I have 4 dropdowns in this user control where I bind them from code behind as follows: private void Page_Load(object sender, System.EventArgs e) { if (!IsPost...more >>

I hope I'm not just overlooking this property...but, I can't seem to find an attribute to right-align the text of a label. Is there one? Thanks I'm doing the following: LABEL1 Field1 LABEL2 Field2 and I want to be able to change the text of the labels and have them grow...more >>

Hi, I am trying to figure out why i can't get the multpage.aspx to do anything more than render plain text. The tabstrip.aspx, treeview.aspx and toolbar.aspx all work correctly. The multipage, and the treeview_bound are not working right. Any ideas? Thanks ...more >>

I have posted this problem a few times before and gotten responses about not enough information about the Problem so this time I will give a lot of info. I am having a problem with some Web User Controls in a new web app I am developing. Here is the situation: I have a Base Page (Fo...more >>

I am trying to add a node under existing nodes, but making sure they don't exist before putting adding it. Here is my Code Public Sub BuildTree() .... above this, root nodes were added. For Each dr In drs Dim childnode As TreeNode = nTreeNode(dr("ROLE_DES...more >>

I'm using SmartNavigation and need to automatically scroll to the top of the page when the ValidationSummary control catches errors and displays them, so that the user can see the errors without having to manually scroll to the top. How can I determine if the ValidationSummary will display err...more >>

My custom control's ID is automatically generated at design time when dragging the control onto the webform, however it is not generated when the control is programmatically created in the code behind. Is there a way for a control to automatically generate a unique id if one has not been assi...more >>

in visual studio.net when i watch/design the calendar control on the design view i see the days/months in my language(hebrew) but on the web is generates it into english. any way to solve this problem?...more >>

Hi, I'm trying to make a page that has a dynamic menu on the left. I generate this menu by getting the menu items from a database table that holds title, alt tag, link, sort order, etc... for a given menu ID. I had done a static version up until now and the number of pages have gotten huge an...more >>

I have developed a WebControl that has a "MyUrl" member property. I have added the UrlPropertyAttribute attribute to the specific MyUrl member. Now, when I edit the new element in the aspx page (Source view), the IDE (vs.net 2005 beta 1) intellisense will give me a "Pick Url..." option. How...more >>

hi i developed a user controls in a web application. the user controls will be created dynamically and put them into a placeholder. when i click a buttom, all controls with data are lost. i spent 3 days to find a solution. but... some articles said using viewstate can fix it. but i still d...more >>