I am checking my database in Create(FooViewModel fvm){…} to see if the fvm.prop1 and fvm.prop2 already exist in that combination; if so, I want to add an error to the modelstate, then return the whole view. I tried: public ActionResult Create(FooViewModel fvm){ if (ThatComboAlreadyExists(fvm)) { ModelState.AddModelError(“Model”, “There is already one like that”); return View(fvm); } … Read more
Simple question, if you use the Html Helper from ASP.NET MVC Framework 1 it is easy to set a default value on a textbox because there is an overload Html.TextBox(string name, object value). When I tried using the Html.TextBoxFor method, my first guess was to try the following which did not work: <%: Html.TextBoxFor(x => … Read more
I have implemented in my app the mitigation to CSRF attacks following the informations that I have read on some blog post around the internet. In particular these post have been the driver of my implementation Best Practices for ASP.NET MVC from the ASP.NET and Web Tools Developer Content Team Anatomy of a Cross-site Request … Read more
I am retrieving two date time values from the database. Once the value is retrieved, I need the difference between the two values. For that, I create a timespan variable to store the difference of the 2 date values. TimeSpan? variable = datevalue1 – datevalue2; Now i need to show the difference which is stored … Read more
I’ve had it suggested to me that I should use FileResult to allow users to download files from my Asp.Net MVC application. But the only examples of this I can find always has to do with image files (specifying content type image/jpeg). But what if I can’t know the file type? I want users to … Read more
