C# - Create Code That Is Compatible With .NET 2.0, 3.5 And 4.0?
Aug 10, 2010
How are C# and ASP.NET related? Is it true that I don't have full control over the output, unlike in PHP and Python?How easy is it to create code that is compatible with .NET 2.0, 3.5 and 4.0?
Added questions:I've heard ASP.NET pages are compiled. Is that why it makes no difference whether I use C# or VB.NET? I only need something that can compile targetting the .NET platform? Can I intermingle VB.NET and C# in my pages?
Is is possible to build a form, accept parameters and from THAT construct a new .ascx page AND the code behind for that page? What I'm proposing is having some code snippets that just need parameters added and can then be used to create a web user control that can be added to existing pages. This .ascx file would be a real file after creation, not dynamic every time.
For someone, new to .Net based Web development: what web development frameworks are provided with or are compatible with .Net framework 3.5 +.LikeASP.NET Web Forms patternASP.NET MVC framework / pattern (1.0, 2.0)an you provide links as well
what document type & HTML should be used in .Net page to make it W3C compatible so that it can pass the W3C validator check ???Can single CMS (.Net) can be used for multiple domain names ???How can we do without sub domain ???
when the developer designs the UI/web page then some times it will not display same in All Browsers so the developre what precautions or patterns or follows certain document to avoid these problems.as a developer i am asking this question because my page is not displayin properly in IE6 and in Navigator so what steps i have to take for the UI webpage so that it should be seems good and perfect output for all the Browserssome times css will not work in all browsers and sometimes controls position,sometimes javascripts .so i need a docuement so that which i can follow to avoid this problem
I have a updatePanel inside a createUserWizard. Such arrangement is to let guest to test if their selected username is available to use. However, when user clicked the button to check its username availability, everything works fine; the inputed name will be examined and the availability will be returned from such partial postback. What strange is, when I clicked the "Create User" button, the page was posted back to server but "CrWizard_CreatedUser" doesn't fire. Then the page was sent back to my browser and i have to re-enter the password and press the "Create User" button and this time Crwizard_CreatedUser is fired.
I re-test this situation again by not pressing the "Check Availability" button and hit the "Create User" button directly after filling out the form and this time, Crwizard_CreatedUser is fired. I doubt if something has changed secretly after I hit the "Create User" button. Hope someone can tell me what goes wrong.
In web application I'm using devexpress toolkit, and have the right (correct) result in IE only (using also some java-script), on clicking event for example is working in chrome and safari, but in Firefox and Opera not The grid view are not showed properly in division in any other browser, except IE!
We are developing an Asp.net web application for client .
In this project client wants few modules to be accessed via iphone also.How can we do that?
Do we need to develop separate iphone compatible modules or can we extend the functionality of existing asp.net web application to work with iPhone also.
This is tuned to work for IIS 6: notice .aspx after {controller}How can i make the same code work on both IIS 6 and IIS 7 without changing any on the IIS side?
For example, many programmers prefer CAST over CONVERT because CAST is compliant with the ANSI SQL-99 standard. Does this mean if I used sql 92 compatible functions, it will work with other RDBMS such as MYSQL?
I am having the error stated above. The stack trace is as follows:
[Code]....
Some info's:Server: Windows Server 2008 R2
.NET Framework Version:4.0.30319; ASP.NET Version:4.0.30319.1
Oracle.DataAccess, Version=1.102.3.0bit
.NET Framework Version:4.0.30319; ASP.NET Version:4.0.30319.1
Oracle.DataAccess, Version=1.102.3.0
My Code: OracleConnection cn; String con1 = ConfigurationManager.ConnectionStrings["myConnectionString"].ToString(); cn = new OracleConnection(); [code]....
I have checked all forums and posts regarding this error. They mention that there are 2 versions of Oracle.DataAccess.Client on the server, I only have 1 version. This runs on VS2010, but when I publish the website the error above shows up. I checked my Oracle connection from the installer and connection test passed. I tried uninstalling Oracle and reinstall, but still the same. The query above I tried changing to 'select region_code, reg_rom, ...', still the same error..
im usin visual studio 2010 and sql server enterprise edition 2005..
when my database is mapped to visual studio this table "Contract" contain a field "ContractAmount" tht is "real".. while the conversion is done the field is mapped as "single" in Edm which is makin me a lot of problems.. i tried to change the type to "Double" and then im havin the error below:
Error 2019: Member Mapping specified is not valid. The type 'Edm.Double[Nullable=True,DefaultValue=]' of member 'ContractAmount' in type 'Website_DBModel.ContractAEG' is not compatible with 'SqlServer.real[Nullable=True,DefaultValue=]' of member 'ContractAmount' in type Website_DBModel.Store.Contract'.
We are currently planning on trying to allow a user to be able to select multiple images to upload to an ASP.NET website. Can anyone give me some suggestions as to which commercial and free controls which we can use?Requirements would be that:is browser independent (works on IE, Firefox, Chrome, etc. without requiring extra download)allows user to preview image(s) before selectingeasy to integrate into asp.netsolution. a non javascript control (would prefer a c# based solution)good APIUI easy to changesimple to develop with
I am going to develop new application in asp.net .But I want to create business/data access layer in such a way that I can reuse it in any other interface (Smart Phones,php etc).how can I achieve this ?I need to create project architect according to that.
I have developed a Crystal Reports enabled website in asp.net. Now client requirement is that this project should work on Mono also. I have found that crystal reports are not compatible with Mono.?
I have a website in which code on the production server runs no problem. The same code on my local machine or test server produces the mess seen at the end. The exact same code. Additionally, upon trying to preview any of the table adapters in the dataset I get "DataSet1.thename could not be previewed. The provider is not compatible with the version of Oracle client"
The app is SQL Server. It always has been. It has never used Oracle. Does anyone have any insight on how to fix this? As it is now I can't do anything with my dataset. I can't edit anything in there because of this complaint about Oracle.
I have .aspx page methods with return type of string, which work great. I am using some jQuery ajax, and some .NET Ajax "PageMethods.methodName" syntax from the client side to successfully call these page methods. I need to return xml from a page method.... I would LOVE to be able to return system.Xml.Linq.XElement type from page method. I get a serialization circular reference error when I attempt to return XElement or XDocument. I don't really want to return XML.ToString() to client, and then convert string to xml in javascript. What return page method return type(s) would allow me to retrieve xml with jQuery ajax call? I know json is the alternative, but will not give me what I need this time.
Ultimately, we need to know if version 8.0 of the .net Sql ReportViewer control is compatible with IIS7 running in Integrated Pipeline Mode.Regardless of the countless forum posts and articles we've read and suggestions we've tried, we've been unable to get this combination to work.
We're in the process of upgrading our websites. We're having trouble with using the 8.0 version of the ReportViewer control with IIS 7 in Integrated mode. Below is a summary of our previous setup and what we're attempting to upgrade/change to.
Our previous setup:IIS 7 Classic Pipeline Mode.Net Framework 3.5 ReportViewer 8.0 Local Mode (control used within websites - no separate Sql Reporting Server)
Attempting to upgrade to IIS 7 Integrated Pipeline Mode.Net Framework 4.0 ReportViewer 8.0 Local Mode - NO CHANGE
Our sites are all working fine except for the use of the ReportViewer control. We're not ready to upgrade our reports to version 10.0 so we wanted to continue using version 8.0.
Since we're now using the Integrated pipeline mode of IIS7, we changed our root level web.config files of our websites to contain the handler for the report viewer in the system.webServer/handlers section instead of the system.web/httpHandlers section.We're receiving the following error when attempting to access a page that contains the ReportViewer control,
Microsoft.Reporting.WebForms.ReportViewerHandlerNotRegisteredException: The Report Viewer Web Control HTTP Handler has not been registered in the application's web.config file. Add <add verb="*" path="Reserved.ReportViewerWebControl.axd" type
PublicKeyToken=b03f5f7f11d50a3a" /> to the system.web/httpHandlers section of the web.config file.We can't add the handler to the system.web/httpHandlers section of the web.config file since we're running in IIS7 Integrated Pipeline Mode.
We've tried both manually modifying the web.config file to include the handler in the system.webServer/handlers section as well as adding it via IIS. Both methods produce the same result.So, is version 8.0 of the ReportViewer control not compatible with IIS7 in Integrated Pipeline Mode? If it is compatible, what are we doing wrong? If it is not compatible, is version 9.0 of the ReportViewer control compatible?Here are the pertinent sections of our web.config files:
if screen reader fill any content wrong then how to give info (if javascript is disabled) to user to go that field any fill the correct value. with jvascript we can show javascript alert but if js is disabled then? I need solution for asp.net 20 and PHP both.
I have a details page containing a form field named UserId. On the same page i have another search form with a field also named UserId.
I am using Html.LabelFor(vm > vm.UserId) and Html.TextBoxFor(sm > sm.UserId) on the two different view models, vm being the view model and sm being the search model. (Yes, the UserId property on the two models has identical names - because they are the same domain property.
When i navigate to the page, the populated UserId on the vm is inserted into BOTH form fields named UserId by MVC. Even the sm.UserId are empty.
That is my initial problem. There are a few ways ti avoid that. My solution was to use the Prefix flag for the sm.
[code]...
My problem is that MVC can't map the Search.UserId (because of the .) to fit the UserId (prefixed with Search) in the action shown above.
So it seems like MVC has a prefix-feature, that are actually nok fully supported through the Route-handler.
Ofcourse i could rename the Search.UserId to Search_UserId, but then the name dosent match the name MVC expects in the recieving action above. (expects Search.UserId) Renaming The UserId property of the search model would fix the issue, but since it is the same value in the domain, this seems like a workaround.
