Hi folks I have a text box and a linkbutton on my home page. The linkbutton has a postbackurl of "Page2.aspx" which displays result and also has it's own search textbox. On the home page, if I click the link button it works fine. However, if I hit the Enter key in the text box, the page ...more >>

NDepend is a freeware tool for .NET developers which analyses assemblies of an application and generates reports containing design quality metrics, warnings and diagrams. I've just released NDepend 2.0 with some major enhancements such as an interactive view of your application and a language ...more >>

while (dr.Read())=20 //dr is an instance of sqlDataReader { double minAirTemp =3D (double)(Single)dr["minAirTemp"]; // minAirTemp is column in SQLExpress table (data type: real, = allows nulls)=20 } The above code works. But when there are NULL, I get the following error System.In...more >>

Hi, I'm using .NET 1.1 and wondering if I can use RequiredFieldValidators with required fields inside user controls. The page is a type of tabbed panel layout with the divs show/hidden using javascript. Depending on which tab panel is visible upon the submit, I want to execute the appr...more >>

My VS 2003 freezes everytime i try to open or create a web application. I have heard that this can be caused by zone alarm and or norton security and I have neither. I have a barebones system with barely any software loaded on it. I just pulled it out of the box. Any ideas on how i can get...more >>

In our CMS, every time a page is updated, we spit out a new XML file. This file is written via a function that queries the Database using a recursive function, grabs the data, and writes out a file using xmltextwriter: Dim fs As New System.IO.FileStream(System.Web.HttpContext.Current.Ser...more >>

Hello everybody, considering limits of this kind of products, and the fact they require anyway human intervention, what is for you the best converter from ASP pages to ASP.NET pages? Hope to hear from you soon, Paolo De Nictolis, Eng. ...more >>

I am making check box list with 4 check boxes say All,One,Two,Three by default all is selected i write selected ="TRUE" for All but i want if user clicks on One All should become Unslected and secondly if user selects One,Two,Three than automatically on Autopostback event All should get sele...more >>

Hi everyone, I have a asp:listbox control. I want to have a javascript function that detect the onselectedindexchanged and then make another textbox visible. It just like the old fashion way in asp <select onchanged="myfunction()" >. But with asp.net control i can't do that anymore on client...more >>

Is there any way to bind a control, say a label, that is not directly associated with the data source? I was reading an article a few days ago that showed how to bind a asp:literal and some string format function to bind data to the literal. The literal was then added to the ?? control containe...more >>

How can you retrieve the SMTP information from the web.config? <system.net> <mailSettings> <smtp from="john@hotmail2.ca"> <network host="relais.aol2.com" password="please" userName="username" /> </smtp> </mailSettings> </system.net> ...more >>

I have a .aspx.vb page that calls a function in a .vb file that has a try catch. Usually, I use a catch to display an error. In this case, I want the parent page to know if the function errors out or now. What's the proper method to pass this information back to the page? For insance, he...more >>

I am having an odd problem. Every day I get application errors from my website. The errors are only from one particular ip address (The error is System.NullReferenceException: Object reference not set to an instance of an object....) The logs show that the request appear to be coming from some k...more >>

This is my problem. I am using Visual 2003, .Net framework 1.1 and the Application Block I configured the DAAB using the Enterprise Library Configuration now this is the error which is coming Security Exception Description: The application attempted to perform an operation not allowed ...more >>

I'm using VS2005 and am working with a ASP.NET 2.0 web site and I'm coding in VB.NET. I understand that I can add an item to a databound dropdownlist and make it the default selection using the following code: MyDropDownList.Items.Insert(0, "My default item") MyDropDownList.SelectedIndex ...more >>

DataBind() will move data from my source object into the GUI, but is there a way to automatically reverse this data flow, or do I need to write code like this? MyPerson.Name = NameTextBox.Text; Thanks Pete ...more >>

Hi all, just wanted to display the resultset from a dataset in a gridview is it possible? Dim sqlCommand As String = "Select LastName, FirstName, emailHome From employees" Dim dbCommand As DbCommand = db.GetSqlStringCommand(sqlCommand) Dim studentDataSet As DataSet = db.ExecuteDataS...more >>

Using master pages, everytime the page reloads there is a delay where I see the background, then the new page starts to display. Although I remember seeing some of this with asp.net 2003 it seems more pronounced with 2005 master pages. Is this just in my head or is this a common occurance ...more >>

Hi folks, I am have been trying to solve this problem for quite some time now and would appreciate any advice. I have been trying to call a code-behind function that is defined in my aspx.cs from within a DataList <ItemTemplate> block using the <%# %> syntax. I would not have written here i...more >>

Hello, I have a C# application that runs a relatively complex simulation which, on a typical computer, could take up to 10 seconds. I am now trying to port this application over to ASP.NET so obviously this calculation needs to happen on the client. What is the best way to implement this? ...more >>

Hello, In an Asp.Net 2.0 GridView I have ButtonField for deleting the record. I used .CommandName = "Delete". I want to cancel this server side action. I want, instead, the button to call a javascript function on the client side. And I need to send to that javascript function the RowIndex...more >>

I am using a javascript WYSIWYG text editor for our CMS. To grab the proper content we need to add a javacsript call to the form: Form1.Attributes.Add("onSubmit", "myOnSubmitEventHandler();") That works fine. However, we also have some dropDownLists that trigger a postback. If we change...more >>

Hi, Can someone tell me how to change the background color of a web page though C#? I've tried various things that I have found on the web written in VB but I haven't had much luck with them. Thank you, Glenn ...more >>

Hello, I am trying to send email to 4 people (str01 = "p1.mysite.com,p2.mysite.com,p3.mysite.com") using the following: Dim addrFrom As New MailAddress(str00) Dim addrTo As New MailAddress(str01) My problem is that only the first person receives the email. When I check the variable ...more >>

hi , I am doing a report function on asp 2.0 environment. The question is the report generate in content control which is the only part need to be printed. How can I do that without printing master page. Thanks a lot Henry ...more >>

I'm a Microsoft Access and ASP.NET developer. Currently I'm working at a company that uses Cold Fusion and we can't find any developers. I suggested that we use ASP.NET and Visual Studios. The Cold Fusion developers tell me that it takes longer to develope applications using ASP.NET. We are lo...more >>

I think what I'm trying to do is fairly simple. I simply want to encrypt or mask a querystring variable (db record key) so the URL looks like: page.aspx?id=abcdef.... etc. instead of page.aspx?id=1 Using VB .NET2, how can this be done. I found some references (just a few) on asp.net but ...more >>

We're having an odd problem with our home grown CMS once in a great while, an XML file will become corrupt...either missing, or only half-written. We think something is happening when two people happen to hit the 'write XML' function at exactly the same time and both process vie to write the ...more >>

Hi, We are having a few problems with ASP.Net pages hanging during load when an Application Pool is recycled. To test this we have setup the following ASP.net page which refreshes every 2 seconds: <%@ Page language="c#" %> <%@ Import Namespace="System" %> <%@ Import Namespace="System.IO"...more >>

I am trying to migrate a vs 2003 asp.net application to vs 2005 and am having many problems. After dealing with 300+ compile errors after conversion now I have many run time error. I lot of them seem to be related to client script problems. Does vs 2005 handle client script differently than 2003...more >>

i have a webform accessing a microsoft access database. when i display dates i get from a table, into a listbox, their displayed in the form: "05/04/2006 00:00:00". all i want to be displayed is the date alone. what would i need to put in the DataTextFormatString property in my listbox propertie...more >>

Is it possible to concat to fields from a dataset together to create the checkboxlist labels? I'd like to create a form with a checkboxlist with the text of the label for each item coming from a combination of date,description and location fields in a database ...more >>

I have a MasterPage that has on it several UserControls (*ascx files). I wish to control the visibility of the controls on the content pages according to some parameter (for example on a user control that depends on a param StoreID, for the UserControl to be visible only if StoreID is in the ...more >>

Hi All, I have this basic doubt. Consider the following piece of code class MyClass { XmlDocument objXmlDoc; void page_load () { if ( ! IsPostBack ) { objXmlDoc = new XmlDocument ( ); } } } Now my doubt is whenever the page is refreshe...more >>

I have a question regarding the use of guery string variables. I understand this can be a security risk subject to "brute force" attacks. Is this true and, if so, what is the proper way to handle it? Should they never be used? ...more >>

Hi, I would like to implement printing facilities for some of the controls on my webpage. If, for example, there is a datagrid in the content pane of the page then I would like to offer a "print" button in that control which will open a new browser window which displays only this control. I...more >>

I have never managed to properly understand regular expressions, as far as I am concerned they are some kind of gobldegook that performs magic voodoo. However i have a TextBox that must be set to one of three values VS,WS or FP. Right i thought even i can manage a regular expression that doe...more >>

I have a site that uses a combination of Web.Sitemap and a SqlSiteMapProvider that I created (thanks to Jeff Proisse @ MSDN). One node of the Web.Sitemap is the same as the root node from the SqlSiteMap. Each SiteMapProvider sources a separate menu. I use this configuration because it allow...more >>

I try to use "for" loop to assign textbox control ID to a textbox variable in server side codebehind for a web form. But I met some problem. What I want to do is solving the following-like code by a loop: static code: txtQ1.Text = ds.Tables("mmsSpecRecord").Rows(0)("Q1") txtQ2.Text = ds.Tab...more >>

I'm developing an intranet site in ASP.NET 2.0 but I can't seem to connect to the DB from within my code. I've created a .vb class that houses a private Connection() that other functions within the class can call to connect to the database. In the calling function, I've declared my connectio...more >>

Hi all, I hope someone can help with this relatively simple problem. I am building a timesheet application using ASP.NET C# with Visual Studio 2003.As it is only a protoype application, my database has been made in MSDE. As part of my application, I have a 'Resources' table, which holds em...more >>

I'm using .net framework 1.1 C# and ASP.net with IE 6.0.2800 I'm using the very traditional idea of having a logo at the top left of the page which when clicked takes you to the home page This is the markup: <a id="logo" href="Entry.aspx"><img src="../images/logo.gif"></a> the trouble is...more >>

Hi folks, I am getting an error "Object reference not set to an instance of an object". It seems I have everything in place but something is obviously in err. If you could take a quick peak at my code segments and provide any insight in a reply, I would be eternally grateful. My table na...more >>

Hi, In ASP.NET 2005, I am using a gridview control. I have some Buttons in gridview for opening different forms. I use ROWCOMMAND event for retrieving the name of the button pressed. Can I retrieve from which row the button was pressed (ex. grv_reports.Rows(0).Cells(4).Text) ? I have the pr...more >>

ANy ideas on how to acheive this? I want to display a dynamically created image when a mouse over occurs on a gridview event. I need some way of creating the image (it will be a small chart type image) on each rowdatabound event and then display it on a mouse over on the gridview cell. I...more >>

For a project I'm developing a custom ASP.NET 2.0 website. The case: - Forms authentication - Cookieless forms authentication and sessionstates is enabled via cookieless="AutoDetect". - On the MasterPage a TreeView-menu is linked to the Web.sitemap. The issue: When I browse this website w...more >>

Hi, I have following issue and I desperately need some help. I have a requirement in where I need to manage word documents in my website. I need to give user the following things: 1. Facility to upload the word documents 2. These documents will not be saved on any server but rather saved...more >>

Hi! I just upgraded my .NET Framework from v1.1 to v2.0 (and uninstalled v1.1). I have compilled my assembly with the v2.0 compiler and uploaded it to my web-server - which runs on v1.1. Now I get the following error: -----------------------------------------------------------------------...more >>

hi, i have a problem in row size when I set the page size. for eamlple if i set the page size of a datagrid to 8 rows and there is only two rows in the grid, then the hieght of the rows become wider. and if i set page size 15 and there is only two rows the the height of rows will beome wide...more >>

Hello everybody, I have created a web site which has a simple user control (LogoDisplay.ascx). This is part of a separate project called CommonControls. I have a main Project "MainProj" from which I am referring to "CommonControls". I have a web page Default.aspx page in MainProj that has...more >>

Hi I have a FormView that contains a GridView. The GridView is populated from an ObjectDataSource. Two of the columns in the GridView are not bound, and the values used in Update mode come from dropdowns (inside of ItemTemplates). In my ObjectDataSource, I have Parameters for the bound fiel...more >>

During a postback event, I am having trouble retrieving the state of a CheckBox Control that I am dynamically adding to a DataGrid Control using ASP.NET 1.1. I have no trouble adding the TemplateColumn dynamically. I persist a DataSet in my Session object and I bind the CheckBox to the Data...more >>

Dear all, On a web page I have a series of Textbox object. All of them have PostBack=false. When I click on Submit button, only the TextBox_changed event of the first object is trigged not the others ???? Any idea why ? regards serge...more >>

Hello, Who has a fast and easy solution for displaying an RFT-tekst (stored in a Sql Server databasae) in a webform? Thanks, Marc...more >>

Dear all, i am developing an application that needs to be remotely accessed through CLI using SSH protocol... Plz reply asap... ...more >>

Hi, I need to restirict access at the page level to a range of IP addresses. What's the best approach? I thought of building an HTTP module that could compare the requesting IP with a restricted range, specified in web.config. Any thoughts? Thanks, Chris ...more >>

hi, I tried to create a datagrid, I followed the code exactly from the samples at dotgotnet.com. However, I am getting an error message which I have no clue why ?? Compiler Error Message: CS0122: 'MainFolder.FolderB.WebForm5.MyDataGrid_Page(object, System.Web.UI.WebControls.DataGridPag...more >>

Is there a way in ASP .NET to use non standard fonts? Or if not which fonts do you think look the classiest. I know that is a non specific question, but just throw some out there for me to try. Thanks. ...more >>

Dear all, I am building an ASP 1.1 applciation collecting data from an SQL server database. In one table field, users will have possibility to introduced a file path (attached document) What I would like to do is to display in a datagrid column, a picture visible when the File path colu...more >>

Hi, My VS2005 seems to be missing the ASP.NET Web Application template for some reason. With the following instructions: To create the project and form On the File menu, point to New, then click Project. In the New Project dialog box, do the following: In the Project Types pane, choose e...more >>

Hi I have a Business class called User which returns a DataRow for individual user accounts using accountID as a parameter (i.e. User.Retrieve(accountID)). The ObjectDataSource doesn't complain if I attach the method to the SelectMethod property but the DetailsView does not display it pro...more >>