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.NET FAQ collection

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ASP.NET FAQ

4. Miscellaneous

4.1 How to get the currently logged in user?
4.2 How to specify a line break in a Label's Text?
4.3 How to convert a string to HTML format?
4.4 How do I determine if the user clicked a "Submit" button twice in the page?
4.5 How to write date-time values of fields in a dataset into xml in a specific format?
4.6 What does "~" mean in ASP.NET applications?
4.7 How can I reference simple DLL which contains one class but has no namespace assigned to it in an .aspx page?
4.8 How do I specify the Japanese locale for the controls in my Japanese localized page?
4.9 Why do some of the events on my page fire twice?
4.10 How to remove the spaces in a given string?
4.11 I get the error System.__ComObject when using recordset?
4.12 Why do I get error "A generic error occurred in GDI+." when trying to save the bitmap file?
4.13 How can I force a Save As dialog box from an ASP.NET Web page.
4.14 In ASP.NET is there a control similar to Combobox in Windows forms?
4.15 How to do text encryption and decryption?
4.16 How can I trigger a submit on my form when the enter key is pressed?
4.17 How to get list of all files in the directory?
4.18 What is HttpHandler?
4.19 How to get the size of a byte array?
4.20 How to know the width and height in pixels of a given image programmatically?
4.21 When using FormsAuthentication, how can I redirect a user to a different page other than the default page?
4.22 Is there a control in ASP.NET for geting HTML like the ASPHTTP for the classic asp.
4.23 Why do I get error message "System.Web.HttpException: Request is not available in this context" " when using Cookies?
4.24 How to save the Output of ASP.NET to HTML?
4.25 Why do I get ViewState error when upgrading my application from a single web server to a web farm?
4.26 How to convert Color to it's corresponding Hexadecimal value?
4.27 How to Select a record using Listbox and edit/update it's fields using textboxes?
4.28 How to select a value from a child form and send it to parent form?
4.29 How to read the comma seperated values from a string?
4.30 How do I make my TextBox positioned below a DataGrid move up or down in position as the height of the DataGrid changes?
4.31 How to stamp Date-Time on all the pages in an application when requested?
4.32 How can I have multiple command buttons map to the same event or function?
4.33 How to use a RangeValidator to select Colors from a specific range?
4.34 How to restore the browser's scroll position after a postback?
4.35 Is there something as RecordSet we had in ASP that can be used in ASP.NET?
4.36 How to set a <link> tag's href attribute at runtime using a value specified in the web.config file?
4.37 How to call the Page_load procedure from any event on the page?
4.38 How to add login user (ASPNET) to MS SQL 2000 Desktop Engine server?
4.39 How to get the count of rows in a Excel file?
4.40 What are the pros and cons of using Session or Cache to save intermediate state?
4.41 How to mirror (align elements Right to Left) a form or control on a form?
4.42 How can I Enable ASPX Compression in IIS?
4.43 How to run an exe from a ASP.NET page?
4.44 Why does FormsAuthentication.Decrypt crashes when moving to another Server?
4.45 Why do I get error message "Login failed for user DOMAIN\USERNAME"?
4.46 How to check if the current User has been Authenticated?
4.47 How to get the Computer Name on which the code is running?
4.48 How to pass argument to accessdatasourcecontrol selectcommand statement?
4.49 How to compile CS/VB file and place new DLL in bin subdirectory?
4.50 Can I use a src attribute with a Web Service?
4.51 How to display random images on a web page from a set of images in a directory?
4.52 How can I scan a string to determine if it contains DBCS chars?
4.53 Request.ServerVariables("LOGON_USER") always returns empty string in Framework 1.1 . Why? It worked fine in ASP?
4.54 Is there a way to specify CSS only if the browser is IE?
4.55 How to create Custom Application Settings in the web.config?
4.56 Why do I get "do not have permissions" error when accessing a Access mdb file in my local system?
4.57 How can I access an MS Access database in my ASPX page, if the db is on a remote server?

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