I have used required field validator with the expression: ^[A-Za-z]{1,}$ I want to prevent user to enter digit. It works well but there is one problem. If I enter blank (space) between characters like this: "andy eshtry", , it does not work. Please help. Thanks in advance. Andy ...more >>

Hello: How can I validate the character encoding of the textbox in ASP.Net form? For instance, when the user fills out a form, I need to be sure that he is typing in English (I mean uses Latin characters - not Russian, Hebrew etc.) Thank you, -- Peter Afonin ...more >>

I have this thumbnail page written in asp.net that's using datalist with a RepeatLayout="Table" to build a table of thumnails .. the code works, except the images display downward first then back up to to the top. Instead I'd like the for the images to display from left to right and then down ag...more >>

Does anyone know how you can create a custom designer class that inherits from Microsoft.VSDesigner.WebForms.WebFormDesigner, in either VS.Net 2002 or VS.Net 2003, preferably a solution that works for both IDE"s. I have created a custom Page derived from System.Web.UI.Page and I would like to con...more >>

How can i remove the underline of the days in an asp:Calendar? I tried hard with no result. I tried all of the following, and more: <asp:Calendar CssClass="menudark" <asp:Calendar DayStyle-CssClass="menudark" <asp:Calendar <DayStyle Font-Underline=False <asp:Calendar <DaySt...more >>

Hi, I have 5 textbox fields and only one (required one) is allowed to contains value when sumbit. Any idea? Thanks...more >>

Hi, I am trying to use CampareValidator to validate two text fields so that they cannot be enter with same text. Can I know is there a way to make CompareValidator become validate character case as well? I understand that task can be easily done by using CustomValidator, but I have been force ...more >>

How to I launch a new browser window when using Transfer.Server (or with Response.Redirect)? Code goes from a linkButton to a function to validate and add parameters to the POST. I can do this from a hyperlink - using hyperlink.Target="_new" - but hyperlinks cannot support the external func...more >>

Do you have any experience with displaying word document in form or through webcontrol? I have 2 forms. In the first is treeview with urls which links to word documents and in the second i want to display that documents when i click on the link. Best solution should be displaying it through...more >>

Hi there!! Is it possible to use an ActiveX.ocx control created with VB6 in ASP.NET? I can load it as a component, but the IDE will not recognize what it is. Any suggestions or links would be awesome. Joe ...more >>

I've heard a little bit about the "ambiguous match found" problem with VB.Net custom controls. We suddenly started getting this error yesterday. We are running ASP.NET 1.1 and using Visual Studio 2003. Has anyone else seen this error and (better yet) a solution? I heard that it was fixed in ...more >>

I have a label and a text box on my web form. For some reason, .NET sets the visible property for both of these controls to False when I drop them on the web form. The weird thing is that I can see them when I view them in my web browser. I tried changing the visible property from False to T...more >>

Hello! I have a slight problem. I'm making a dynamic database query engine with ASP.NET. I have a datagrid that must auto generate the columns (since it can bind to any column), and my database contains GUID columns. When I try to databind the datagrid to a table containing a GUID column (that th...more >>

Hello NG, I'm using a datagrid for displaying data (wow!) and would like to use the Sorting and Paging of it. The grid is bound to a dataset, which is added in the webform-designer. I load the data by: Private Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ...more >>

1) I have a dropdownlist control with AutoPostBack property set to true. 2) For the same control I have a SelectedIndexChanged method call in my code behind. 3) What I would like to accomplish is IF the selected text in the drop down is "Teacher", another control should be set to invisible. H...more >>

Are out there other users groups? Any links Thanks...more >>

If you see the sample page in ASP.NET Starter kit such as TimeEntry.aspx in ASP.NET Time tracker (VBVS), you will think the page is almost perfect. I try to use VS.NET IDE to create the same GUI, it is failed and never get the same result. Although I can create more simple GUI by VS.NET IDE. S...more >>

Would someone be so kind and tell me wat does that mean: Line 198 was in RED. =20 Server Error in '/tiptree1' Application.=20 -------------------------------------------------------------------------= ------- Configuration Error=20 Description: An error occurred during the processing of a c...more >>

I have a TreeView control and two radiobuttons on my Web form. I want to change data source (XML file) of the tree when the user clicks on buttons. Here is Codebehind the buttons: private void RadioButton1_CheckedChanged(object sender, System.EventArgs e) { TreeView1.TreeNodeSrc = "data.xm...more >>

Hi, how can I retrieve the height and width of a System.Web.UI.WebControls.Image after populating it's ImageUrl property. It's seems not to be filled ? Does someone have a solution ? Thanks Karim ...more >>

I created a custom DataGridColumn based on Marcie Robillard's MSDN Article: Creating Custom Columns for the ASP.NET Datagrid http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dnaspp/html/creatingcustomcolumns.asp The problem I am having is that the data in the custom datagridc...more >>

Can someone tell me where I can find an example of displaying data from a database in a treeview ? Every example I can find uses xml. Thanks in Advance ...more >>

Hello, I'm trying to work out the approved method of securing sections of my site. The site consists of two areas, one available to everyone and the other only availble to those who know the password. I'm using forms authentication located within the webconfig to control this, but i'm running ...more >>

I'm trying to bind an arraylist to a datagrid web control The arraylist contains "mystates" objects with properties named "state" and "abbreviation. I can set the grid's datasource to be the arraylist, but I am having trouble referencing the properties of each arraylist item by their name. For ...more >>

I have a working MS treeview control (from the webcontrols.dll) that is fed with an XML file and a working SelectedIndexChange procedure. I need to display a list of names, but then pass an ID number through the SelectedIndexChange procedure. I modified my XML file so that I have an extra attr...more >>

Here's my task list: - highlight the clicked row in the DataGrid - Be able to click anywhere on a given row - Rows highlight as the cursor passes over them, cursor changes from arrow to hand Are all of these things possible? If so, can someone point me in the right direction?...more >>

The need is to make a slider control work in a web page - aspx page. Is there a Slider control available for use on a web page - i know it is for a windows form. Is there a way to use the windows control on a web page??...more >>

The need is to make a slider control work in a web page - aspx page. Is there a Slider control available for use on a web page - i know it is for a windows form. Is there a way to use the windows control on a web page??...more >>

Greetings all- I am attempting to use a DataList with an embedded and databound CheckBoxList control. As one might expect, I can add ListItems to the CheckBoxList, but in no way have I been able to set or retrieve the Selected property of any of these ListItems. To perform the data binding...more >>

Can I dynamically change a source of the control? Basically the user needs to load two different XMLs at his choice. I dont mind to have postback true for that matter. Thanks ...more >>

How can a control be added to a table cell within a ascx, so that iteration over the forms control collection finds the control? We've got code similar to this (excuse the psuedo-code) in the Page Load of our the ascx: // create and initialize a drop down... DropDownList aDropDown = new Dr...more >>

Hi Jeffrey, I have a web page on which i have a placed a checkbox . Now what i need is ..when this checkbox is checked , i want to enable three text boxes present on the same page. I am aware that i need to use java script here for client side scripting...but how exactly do i nee...more >>

I use Attribute.Add to call a javascript function client-side from an asp:button control. The javascript function opens a window. My problem is that the submit event fires after the javascript code executes. When I view the source in "running documents" I see that the button is declared as "type=sub...more >>

Can i call a client side script after a server control is called and executed? If yes, how can we do this?...more >>

I posted this question originally but wasn't clear enough with my request. I was pointed to the winforms help for the data grid. I need to create a web forms datagrid with two button columns that will either decrement or increment the values in the cells in the rows the buttons are in. Is there a sa...more >>

How do you remove the forward and back button from the browser window when creating an application using Visual Studio.Net. I want each web form to have the forward and back buttons removed or disabled so that users cannot browse this way....more >>

What do I do to have TreeView XML data available on the client side? Thanks ...more >>

Please if anyone can help, it would be greatly appreciated I have a VB form on a page called create.aspx with some text fields and listboxes. I also have a control on the form <%@ Register TagPrefix="UserControl" TagName="Categories" Src="/Categories.ascx" %> The Control Categories.asc...more >>

Hello, I'm trying to develop my TabStrip web control but seems there is some troubles in the desing mode. Initially, I have defined a collection of TabButton in the TabStrip web control. The TabButton inherits the functionality of the System.Web.UI.WebControls.Button. In the Render method...more >>

How do I show a message box in C#? Thanks ...more >>

I want to add a client code - code that will be running on a client side. Should I create a new class? Thanks ...more >>

First, let me give you some background on what I am trying to accomplish. I have a page which contains a custom user control, lets call it Navigator, that has some buttons next, back, etc. Navigator also contains a placeholder in which I load other custom user controls when next or back is clicked...more >>

Is there a way to stuff a filename and path into this control at runtime on the browser using javascript ? I don't want the user to have to browse to a file but just answer a few questions and I compute the filename + path of where the file will be located. Just how do I go about this. Ma...more >>

I'm new to ASP and I am having some difficulty with understanding how the events on a dataGrid can be used. I have a DataGrid on my webform and for example, how do I expect to get the selectedIndexChanged event? If I set this value using a button, the event does not seem to fire, what am I mis...more >>

Here is my aspx code <%@ Page language="c#" Codebehind="tiptree.aspx.cs" AutoEventWireup="false" Inherits="TipTree.tiptree" %><%@ Register TagPrefix="ie" Namespace="Microsoft.Web.UI.WebControls" Assembly="Microsoft.Web.UI.WebControls" %><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"...more >>

I'm working with c#, my code is below. The page starts out showing just a dropdown and a button. When the dropdown is selected and the button is pressed, it's supposed to show the user controls, however, even though the code sets it to be visible again, it's still not visible. I have run thro...more >>

Hi Ther I have a DataGrid on a webform which is causing an HttpException in the following code when it transitions from showing all of the packages in the system (12 on two pages) to only linked packages (3 on one page) m_DataGrid.DataSource = _list; // _list is an ArrayList instanc if(m_DataG...more >>

I want to be able to color code my dropdown list based on the status of the users within the list. I have a SQL Query (stored Procedure) that return the following data. (UserID, UserName, Status). I bind the data like this from returning the data from a SqlDataReader: ' dropdownli...more >>

Is there a File Transfer component in .NET or an ActiveX that will allow you to select a file to transfer from the client to the server. A Freeby would be the most preferred. Many thanks ...more >>

Hi, I have a problem with appearance of Drop Down List. I can't set this to look like dropdown list in my VS interface. I want to know how to change the border and view of little key to flat. There is any way to do it by using CSS style ? thank Chris ...more >>