Month: July 2014

We can render the data as a HTML table and then give the content type as application/excel. Excel renders HTML content in proper format. To convert the Data collection to HTML i’m making use of Asp.Net GridView here. Though this is not very Asp.Net MVC way of doing it this serves the purpose. you could write your own methods to convert the data to html format instead of the gridview here. Code Snippet [HttpGet] public void GetExcel() { reviewDataContext rdc = new reviewDataContext(); //Bind the Data to Asp.Net DataGrid -…

As a web forms developer, I found the transition to MVC to be a bit of a shock at first. Without fully understanding the nature of MVC, I found the lack of a Toolbox filled with server controls to be confusing. However, once it became clear that the goal of MVC was to expose HTML markup and give developers full control over what is rendered to the browser, I quickly embraced the idea. Transitioning from Web Forms In MVC development, HTML helpers replace the server control, but the similarities aren’t…

If you tried to close a window using javascript window.close() method in IE7, and as you may noticed a message will prompt “The Webpage you are viewing is trying to close the window. Do you want to close this window”. Because of the security enhancements in IE7, you can’t close a window unless it is opened by a script. so the walkaround will be to let the browser thinks that this page is opened using a script then closing the window. below is the implementation. 1- Create a javascript function…

At times you want to accept user input in your web applications by presenting them with a wizard driven user interface. A wizard driven user interface allows you to logically divide and group pieces of information so that user can fill them up easily in step-by-step manner. While creating a wizard is easy in ASP.NET Web Forms applications, you need to implement it yourself in ASP.NET MVC applications. There are more than one approaches to creating a wizard in ASP.NET MVC and this article shows one of them. In Part…

UPDATE: As of jquery.validation version 1.8+ hidden input fields are not validated by default, which means that the wizard form is submitted without client-side validation being performed. The solution is to set the default back to validating everything in the JavaScript section by including the following line; $.validator.setDefaults({ ignore: “” }); I’ve also added a sample project at the bottom of this post.  For small MVC sample application I’m fiddling with on my spare time, I wanted to be able to split my form up in smaller parts, much like…

In default template of asp.net mvc 4.0, Layout.cshtml has following code for menu: <nav> <ul id=”menu”> <li>@Html.ActionLink(“Home”, “Index”, “Home”)</li> <li>@Html.ActionLink(“About”, “About”, “Home”)</li> <li>@Html.ActionLink(“Contact”, “Contact”, “Home”)</li> </ul></nav> Which is hard-coded for all users. We’ll create partial view for menu to reduce complexity. Right click on Shared folder in Views > select Add > click ViewEnter Name: _Menu and set “Create as a partial view” option true > click AddIt’ll open blank cshtml page. Define Menu Items: In normal asp.net webforms app, Sitemap file is used to define structure. Here we’ll define…

If you’re new to ASP.NET MVC, you might be wondering what these two things are and when to use each one. If you’ve been using MVC and are just new to version 3 of MVC, you are probably wondering what this new ViewBag is for and if it’s different from the ViewData you’ve been using. In the beginning of the Summer, I had the opportunity to explain this difference to the two NimblePros interns when they started working on ASP.NET MVC 3 for the first time. This post should serve…

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The error is: [A]System.Web.WebPages.Razor.Configuration.HostSection cannot be cast to [B]System.Web.WebPages.Razor.Configuration.HostSection. Type A originates from ‘System.Web.WebPages.Razor, Version=2.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35’ in the context ‘Default’ at location ‘C:\windows\Microsoft.Net\assembly\GAC_MSIL\System.Web.WebPages.Razor\v4.0_2.0.0.0__31bf3856ad364e35\System.Web.WebPages.Razor.dll’. Type B originates from ‘System.Web.WebPages.Razor, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35’ in the context ‘Default’ at location ‘C:\Users\e.rossini\AppData\Local\Temp\Temporary ASP.NET Files\root\55c43b6b\aa340995\assembly\dl3\a83c308f\965a638d_c896cf01\System.Web.WebPages.Razor.dll’. Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. Exception Details: System.InvalidCastException: [A]System.Web.WebPages.Razor.Configuration.HostSection cannot be cast to [B]System.Web.WebPages.Razor.Configuration.HostSection. Type A originates from ‘System.Web.WebPages.Razor, Version=2.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35’ in…