Hello! I have a simple gridview. I am using stored procedures and a my own Data Access Layer. Now I want to delete a row. Gridview code: <asp:GridView ID="GridView1" runat="server" AutoGenerateColumns=false AllowPaging="true" PageSize="5" DataKeyNames="KonsultID"> <Columns> ...more >>

I often use self-closing tags (such as <br/>) when creating an ASP.NET application. However, when I enter them in Visual Studio .NET 2005, it automatically inserts a space before the />. In most cases this does not bother me, but for tags such as <br/> that I usually do not use any attribute...more >>

I am trying to set the Visible property attribute of a asp:HyperLink control based on the user's membership role. If the user role is administrator then I want to display the hyperlink, if not then I want the hyperlink to be invisible. I tried setting: Visible="<%# Eval(Convert.ToString(U...more >>

Hi, I'm working with VWD and i defined programmatically a button (in code-behind) with an ID. So I expect to see beside "Page Events" and "Form1" my button "b1" in order to use the Click event. But it doesnt' appear. After saving the code-behind file, i only see "Page Events" and "Form1". ...more >>

Hi, I would like to create an adapter for the image web control to cure a pet peeve of mine. Currently, if I write out: <asp:Image ImageUrl="myPic.jpg" AlternateText="Some text" runat="server" /> the html that is emitted is: <img src="myPic.jpg" alt="Some text" style="border-width:0p...more >>

I can connect to a sql server database, I can query the database, and I can display the results in a datalist, but how can I refer to an individual field from a query? My query is from a sql command in a datasource. For example: SELECT CUSTOMER FROM CUSTOMERS. How do I use asp.net to refe...more >>

I am using a RegularExpressionValidator to validate a TextBox. I use "^[\+|-]?[0-9]+(\.[0-9]*)?$" to check for a real number. The control works fine as long as the user enters something in the TextBox; it does not work if the user leaves the TextBox blank. Is there a bug in the implementation ...more >>

hey guys, I know it's crazy how I'm working over xmas...but oh well here I go: In my ASP.Net app (1.1), I want the user to be able to select font (such as Bold, Italic, underline) and stuff like that from a dropdown list) and then I wanna apply these properties to all my page (all text). Now ...more >>

I've added a RadioButtonList (with 2 choices, neither selected by default), and a RequiredFieldValidator to a WebForm. Basically, I want a red asterisk to appear beside the RadioButtonList until the user selects on of the choices. I'd like this validation to fire on the client side. I've se...more >>

I'm trying to get a partial page (Ajax style) update when the selection of a DropDownList changes. I'm not having much luck. I will continue plugging away at the sample applications in hopes of finding some hints, but meanwhile, if someone could point out to me what I am doing wrong, I would...more >>

Hi Everyone, I have some HTML snippets (with about 15 HTML controls) that needs to be embedded into my server control. I need these HTML controls on client side for some processing (JS). What is the best way to implement this? One most straight forward way i can think of is to have some...more >>

Hello I need pass one parameter from one treeview to other page with one gridview, this parameter is the filter of the "select * from kk where fields=parameter" . How can I do this? any example similar? Thanks ...more >>

Hi, I am learning ASP.NET and I need to have an Excel-like sheet of records from database. Users may modify data in the sheet. I thought about using GridView with DataSource but the problem is that the changes should be transferred to database not when record is modified but when separate button...more >>

En blancoHello I need help, I don´t know how controller the validation of one column of gridview, this column update correct except if the user put "," or letters beacuse this fields is numeric, only accept for example "9.2" but not "a.3" or "9,2" or "kk". The problem is that mensage of error ...more >>

Hello, I am learning ASP.NET. On .aspx page I have a data-list with text-box that I would like to read during line modification. <asp:DataList ... OnEditCommand="Sample_Edit" > ... <EditItemTemplate> ... <asp:TextBox ID="SampleEdit" runat="server" /> ...more >>

My Web.config file contains the following section to register some of my UserControls: <pages> <controls> <add tagPrefix="NATE" tagName="Banner" src="~/Banner.ascx"/> <add tagPrefix="NATE" tagName="Navigation" src="~/Navigation.ascx"/> </controls> </pages> However, I still r...more >>

I have a datagridview bound to a data table. I want to force the columns to all be the same size. How is this done with the grid? John Wright ...more >>

I want to create my homepage completely dynamically, but when I create two imagecontrols and want to position them, they won't move at all. I've read some artikels about using the placeholder, but when I dynamically create one, I can't move it at all. Or am I doing something wrong here? ...more >>

Hi I have a number of nested repeater and placeholder controls. When a LinkButton is clicked I delete a db record. I'm relying on viewstate quite a lot so when a linkbutton's OnCommand event is rasied I'd like to remove the record from the viewstate so that the rest of the page controls loa...more >>

Hii.. Iam developing a application in which i need an treeview control to navigate my webpage so how can i achieve this one. (OR) is there any tree view control for that?? can any tell about this...... regards Murali.S ...more >>

Hi I need to access multiple instances of the same UserControl dynamically. I can successful do this with one control but I'm not sure how I can assign multiple instances to a Repeater at runtime. This is what I have so far protected void Page_Init(object sender, EventArgs e) { //...more >>

Hello, I'm developping a WebGUI where the user are able to create some shell-commands and add them to a joblist. 'Adding them to a joblist' means that these commands are stored in a listbox listbox_joblist then. The joblist should be executed on the webserver then. How can I send this jo...more >>

On a page, I need to show one item at a time. The top of the page has a Previous-Next control, followed by the item being shown, followed by another Previous-Next control. I have created a P-N user control and customized it to fire an event, OnChange, when a Previous or Next button is clicked, w...more >>

Hi, I'll try to be specific with the problems that I'm encountering using the new asp.net 2.0 controls --- TableAdapters with Typed DataSets, Object DataSource Controls and the Gridview. Are people have success using these controls? 1) I'm hitting and Oracle database, and there seems to b...more >>

Hi, Can anyone tell me please how can I return values from a popup to a UserControl. I use the same "method" like to return to a WebForm, but it not works in UserControl case. I have this code to return from popup to webform: -------------------------------------------------------------...more >>

Hi; Inside a GridView (view only - no edit) I have a column where the property is a boolean and I want to display Yes/No (localized language) - any suggestions on the best way to do this. AND... this is a class I don't control so I can't add a property - System.Web.Security.Membership. ...more >>

Hello everyone, I am brand new to writing custom controls and I thought I would start with an easy one. Adding an attribute, OriginalValue, to a textbox. I got this together, and while stepping through it, the property is setting the viewstate properly with the given value, but on the postb...more >>

Hi, All Was very suprised, that html rendered by standard control is not compatibile with IE 5 (!) and latest mac/safari as well. Skiping safari support is understandable, but why it does nto work for IE 5.0 is very confusing. Does anyone redefines render for that control to extend it's com...more >>

Hello, Any ideas why this code will not remove listitems for the dropdownlist? Protected Sub CullProjects() Dim ProjectName As String If Me.gvRequestProjects.Rows.Count > 0 Then For Each row As GridViewRow In Me.gvRequestProjects.Rows ProjectName...more >>

Hi, When inserting a new item i get the following error: Item has already been added. Key in dictionary: 'Cellular' Key being added: 'Cellular' As far as I know you get that error if you enter the parameter more than once, however i can't find anywhere in my code where the value is entered m...more >>

I have this code below on my aspx page but it doesn't load this into the drop down list at runtime. The dropdown list poplulated from a SQL stored procedure...but adding a value to the list like below should work. <asp:DropDownList ID="ddlHospitals" AutoPostBack="true" runat="server"> ...more >>

for my sins (in a .net 1.1 app) I have created several css files with the same styles and then at runtime decided which css to use. For instance I have a chat control that when in public mode uses one css and when in private mode uses another. Now I could go through the private css and make su...more >>

How can i bind a parameter from a sqldatasource to a web user control property? Tanks ...more >>

I am recieving the following error on the second postback of a page I have written: The state information is invalid for this page and might be corrupted Stack Trace: [FormatException: Invalid character in a Base-64 string.] System.Convert.FromBase64String(String s) +0 System.We...more >>

Hi, Create a simple composite control using ASP2.0 CompositeControl class. Have two webcontrols exposed as properties, so they show as subproperties in at designtime in the properties window. Change any of the these webcontrol properties - switch to source view - none of the properti...more >>

I want to check if at least one of my two textboxes has an entered value.... If none of them has a value, I want a validator to show an errormessage.... How do I do that? ...more >>

Hi, I'm an new user of this group. my problemm is... I have to develop a utiliy to synchronize database .....sql server to Access....... user will dwonload file from net which data is in sqlserver....and he/she will update his database which is in Access....at his desktop... Please help...more >>

When I print preview the sample HTML below in IE7 I get a blank 1st page and nothing after page 2. If I shorten the content of the pageview so it fits in less than a page, then print preview works. Do you see this bug as well? Is there a work around you can think of? Thanks. Alex. Samp...more >>

Hi all, I'm trying to find a declarative way to set server control attributes using the attribute="<%= SomeValue %>" syntax. This works fine for basic HTML controls, but server controls will literally display the contained text, but won't execute the containing code. It works fine if I u...more >>

Hi, if I am writing a web custom control, do I override the Render method or the RenderControl or the RenderContents method - and what is the difference? Thanks, Peter ...more >>

I'm trying to simply get the selected value from a dropdownlist but it only returns the first item regardless of what you select. Dim SalutationSelected As Integer = CInt(Me.ddlSalutationList.SelectedItem.Value) Thanks ...more >>

Dear colleagues, I am trying to develop Sharepoint 2k3 webPart for currency calculator. Since I want to achieve the visibility/invisibility effect of certain rows, I realized that the HTML table which consists of those rows should better be generated during CreateChildControls() instead of tradi...more >>