ASP.NET 2.0 I am trying to open a Word document and Excel document from a dialog web page, what's the best way to do that? I have tried the following: Response.Clear(); Response.AddHeader("Content-Disposition", "attachment; filename=" + file.Name); Response.AddHeader("Content-Length",...more >>

I'm hoping there's a simple way to do this. I need to show a dummy image in an asp image object if the file is missing. Here's my asp.net 2.0 markup: <asp:Image ID="imgGrad" runat="server" BorderColor="DimGray" BorderStyle="Solid" BorderWidth="1px" Height="120px" ImageUrl='<%# "~/Images/Classm...more >>

Is anyone having the problem where Visual Studio 2008 hangs for minutes when switching to Design view of an aspx page? I know there's a hotfix, but it has been no help. My co-worker might have hit on something that it is related to Office 2007. This is because we have VS2008 at home with no prob...more >>

Hello, I have a list of products (SQL Server) that I need to show with check boxes next to them. Once they submit the form, the items checked will be inserted into a table. I think I need to use a CheckBoxList, but how do I show what has been matched in the future. For example, I check 5...more >>

I recently moved to ASPnet Ext 3.5 What I can't get with Ajax and History browser managemet is this: User fills some fields (dropdown and textbox) on page 1 (all are in an update panel) User clicks Submit Button I write the data into a DB I add a history point with ScriptManager to be able ...more >>

I have an asp.net FormView that is displaying a money field as shown below. <asp:TextBox ID="txtInitialClaim" runat="server" Text='<%# Bind("InitialClaim", "{0:c}")%>' Width="120px"></asp:TextBox> When the update command runs it throws an error because the dollar sign is in the field. I w...more >>

Hi, Would like to know what is the best way of creating an ASP.Net web page that return just a line of "Text". This ASP.Net will not required any HTML tag, or Post Back Features. So we created below in Code Behind: protected override void Render(HtmlTextWriter writer) ...more >>

Hi guys, We have an events page in our company that's database driven and we need to shared it with our partners. They need to pull information from our site. They can be running asp, php, .jsp..etc. I was thinking of using a web services and returning datatable (maybe to XML). Is that the be...more >>

Hi I have the following situation in one of my asp.net pages. The user can add multiple table rows to a form by selecting a button. These rows can contain asp.net controls. When this button is selected, the row is added using JavaScript. The script uses cloneNode to clone a hidden template...more >>

Hello everyone. I'm having a problem with accessing components. I've looked for a solution in other forums but until now no one have given me any tiny clue about how could I solve it. I know there is a solution to it, but, I couldn't find one. I have a webpage in a website with the the following ...more >>

I'm developing a new ASP.NET 3.5 app and I have an http module hooked up to Application_Error that logs [otherwise unhandled] detailed exception data. When it parses and evaluates unhandled exceptions, it "sees" all exceptions as type "System.Web.HttpUnhandledException", with the message: "E...more >>

I'm about to get a new computer for VS2K5 development. Is it ok to get Vista yet or should I stick with XP? Thanks, Ross ...more >>

Hello, I need to put some files in a subfolder because I don't want all the files in the subfolder to be under form authentication. The problem is that in the root folder I have a "App_code" folder, where I have clasess to instanciate. This clases are not accesible from the aspx's locat...more >>

Building an ASP.NET community site where people can post ads, messages, etc... Based on your experience do you have any suggestions on how to avoid spammers (at least deter them)? Ex: Should I try to get their IP address, if so how? How about image verification? Does ASP.NET do that? ...more >>

hi, can anyone guide me plz. i m adding attribute of runat=server from codebehind file <asp:imagebutton id="imgCompletionDate" CssClass="clImageButton" ImageAlign="absMiddle" BorderStyle="None" ImageUrl="..images \img1000024.gif" CausesValidation="False" Height="20"></ asp:imagebutton></TD> ...more >>

I am creating an ASP.NET 2.0 website. Rather than using all the membership functions I wanted to just create my own SQL Server db and use SESSION vars to track if the user is logged in etc... Is doing it in this way just as secure? I know that the "membership" stuff will save me some codi...more >>

Hi, I have a web page in ASP.NET which has a FILE object and a browse button. Users can click the browse button to locate the files they want to upload into the web server. Some users save the files in Mac machine and run the web page. How can they select these files to upload into the web ...more >>

Has anyone used and successfully deployed an application that requires the entry and rendering of extended, printable characters in the browser? I have a client with such a requirement but without an extensive prototype test I wondered if any of you have had gotchas and suggestions. They curre...more >>

I have a web page which use a master page. I would like to post a style element to the master page header section how do I do that? -- Arne Garvander Certified Geek Professional Data Dude...more >>

I can't find the menu option for asp.net news group. What page is it on? -- Arne Garvander Certified Geek Professional Data Dude...more >>

I can't find the asp.net news group anymore. Where is it? -- Arne Garvander Certified Geek Professional Data Dude...more >>

Hi, I want to check the Require SSL option in Default web site of IIS; How can I do that with program? ...more >>

Hi everybody, I have an application that works for IE. I used treeview.htc to create a tree view. And I want my client side code to work with linux based operating systems. So the code should work on firefox or other gecko browsers. Sample code for IE is like the following: <HTML XMLNS:mytree...more >>

hi i want to find disable/readonly the controls( hyperlink and a button in 2 different cols.). either in javascript or in codebehind. thx...more >>

Hello, I have a project less solution asp.net 2.0 with c#. I have a method in page code behind which returns a datatable, that method I want to assign in the objectdatasource select method, but when ever I am passing the typename in objectdatasource with the class name its saying couldn't fin...more >>

In the content section of an AccordionPane I have a div (runat=server) containing a link button. I want to hide the div from code-behind (VB) but I can't figure out the correct syntax. Can someone please help me? Very grateful for fast response! Best regards, S...more >>

I've written a stored procedure and would like to filter the results returned based on the argument. It works so far, but I'd also like to allow this argument to be null. I know I can rewrite my procedure using ISNULL(). But then it won't work for the non-null arguments. Does anyone know...more >>

I am working with a asp.net Menu control which has 3 tab controls <asp:Menu id="MenuId" <Items> <asp:MenuItem Tab1 <asp:MenuItem Tab2 <asp:MenuItem Tab3 </Items> </asp:Menu> Each tab has a registration form with a save button. Once I click save button on tab1, Ho...more >>

I swear I've read you can do this somewhere before, but don't recall where or what it'd even be called to do the correct googling. What I've been asked to do is make a 'dashboard' app that checks the status of various servers. If they are down, show an error. I found/modified this snippet:...more >>

I'm trying to catch a database error (PK Violation) from a "plain vanilla" DetailsView. I have tried try/catch in both the Inserting and Inserted events of the DetailsView and DataSource. Also, tried converting the insert link to a template field and wrapping the xx.Insert() in a try/catch...more >>

I have a gridview control that is filled by the user adding rows to it with a submit button. Once he is totally through, I want to give him a 'success' message and then empty the grid. That should be easy, because the grid is full of records that are from a database where the select statement ...more >>

Hi... We've been trying to migrate our asp.net apps off older, underpowered hardware to newer, bigger boxes but when we do, we see our databases start to melt. When I started to look into it, I found that the older boxes all had bigger EffectivePrivateBytesLimit values than the newer box...more >>

How do I change an application to target the .NET 2.0 framework, NOT the ..NET 3 framework? I'm creating a winform app, but I would think it's the same method. The option to change doesn't show up in the properties page of my project. ...more >>

I am using ASP.NET's CreateUserWizard control. I want to force the visitor to use a username and e-mail address that I am providing in programming, and I do not want the visitor to be able to edit the forms input. I am aware that I can roll my own Create User form by using the membership AP...more >>

I'm trying to access a c# web service from a web form. I set up the web reference proxy object as follows: proxy.PreAuthenticate = true; proxy.Credentials = CredentialCache.DefaultCredentials; but i get a 401 error. If I switch the IIS website from Integrated Windows Auth to An...more >>

Hi Guys I want to create a grid similar to those used on Gumtree where advertising posts are separated by a row with the date in it. e.g. Date post post pose Date2 post post post Date3 post post Can I do this with a GridView or do I need to be looking at alternative controls?...more >>

It seems that a gridview allows us to delete only a single row at a time. How to extend this functionality to select multiple rows and delete all of the selected rows in a single stroke? just like what hotmail web UI is doing now (having the option of selecting multiple rows (using the checkbo...more >>

I the page knows there was a cross post back. but i can not find the control. (asp.net 3.5) calling page has a master calling control: <asp:Button ID="btnSendAlert" runat="server" Text="Go" onclick="btnSendAlert_Click" PostBackUrl="ItemUpLoadAdmin.aspx" CommandArgument="5...more >>

I heard that we could do that by using AJAX. Could anybody share how to do it? Thanks. ...more >>

For asp.net web application, I had thought that using SQL Server Session State management would imply that all session objects be stored in SQL Server database ASPState. But when I look into it, I notice that only stuffs related to SessionID are stored in the database. None of my session obje...more >>

I am using a menu control in which i have a tab controld in which i have a dropdownlilst How do i find the values in a control. I have tried this in C# ?LTCMenu1.FindControl[Tab2.FindControl[ddlStatusVerify.DataValueField.ToString()]] Can any one plz help me out. ...more >>

I am using a menu control in which i have a tab controld in which i have a dropdownlilst How do i find the values in a control. I have tried this in C# ?LTCMenu1.FindControl[Tab2.FindControl[ddlStatusVerify.DataValueField.ToString()]] Can any one plz help me out. ...more >>

I have downloaded ajax and this part of the code works fine in my new sample website <ajaxToolkit:ToolkitScriptManager ID="ScriptManager1" runat="server" /> <asp:TextBox ID="txtTelerik" runat="server"></asp:TextBox> <asp:Button ID="btnTelerik" runat="server" Text="Show" /> ...more >>

Ok. I have a page with a textbox which is used to enter numeric data. If data is entered, the code goes to the database and gets the relevant data. If it's left blank, the code assumes that new data is being entered and allocates a number. The problem is that the client side validation (cus...more >>

I want to have page level access to a certain object but cant figure out how to do this. I create a class method that returns the object, but I cant get it to be global to the page. By global to the page, I mean to let all methods and event handlers have access to the same instance of the obje...more >>

Why is it when i try to use server.urlencode in a winform app that it can't seem to locate the function? (I am utilizing the browser control.) Thanks! ...more >>

In my ASP.NET application, I'd like to set limits on the maximum size of an uploaded file. Normally I'd just set the maxRequestLength of the httpRuntime element in web.config. But in this case, I have a few different aspx pages and I want the limit set differently for each. Yes, I could ...more >>

I created an ASP.NET website using Visual Studio 2008. I want to now use some of the AJAX tools, but they won't drag/drop on my master page. I think I have to somehow "enable" AJAX or reference the files properly. Any advice on how I can enable the ASPX page for AJAX? ...more >>

Using dotnet 2.0 sp1, I've got ASP.NET session state working ok in SQLServer mode, but the sessions never seem to expire. e.g if I add a timeout attribute like so : <sessionState mode="SQLServer" sqlConnectionString="Integrated Security=SSPI;data source=localhost" timeout="1"...more >>

I am using VS.NET 2008. In Dreamweaver you can create page templates (equivalent to Master Pages) and make HTML documents based on them. In VS.NET can you have a HTML file linked to a Master Page? ...more >>