What does ModelState.IsValid do?

ModelState.IsValid indicates if it was possible to bind the incoming values from the request to the model correctly and whether any explicitly specified validation rules were broken during the model binding process. In your example, the model that is being bound is of class type Encaissement. Validation rules are those specified on the model by the use … Read more

Mailto on submit button

In HTML you can specify a mailto: address in the <form> element’s [action] attribute. What this will do is allow the user’s email client to create an email prepopulated with the fields in the <form>. What this will not do is send an email.

Set space between divs

Float them both the same way and add the margin of 40px. If you have 2 elements floating opposite ways you will have much less control and the containing element will determine how far apart they are.

HTML.ActionLink method

I think what you want is this: ASP.NET MVC1 This uses the following method ActionLink signature: ASP.NET MVC2 two arguments have been switched around This uses the following method ActionLink signature: ASP.NET MVC3+ arguments are in the same order as MVC2, however the id value is no longer required: This avoids hard-coding any routing logic … Read more

The following sections have been defined but have not been rendered for the layout page “~/Views/Shared/_Layout.cshtml”: “Scripts”

It means that you have defined a section in your master Layout.cshtml, but you have not included anything for that section in your View. If your _Layout.cshtml has something like this: Then all Views that use that Layout must include a @section with the same name (even if the contents of the section are empty): As an alternative, you … Read more

The following sections have been defined but have not been rendered for the layout page “~/Views/Shared/_Layout.cshtml”: “Scripts”

It means that you have defined a section in your master Layout.cshtml, but you have not included anything for that section in your View. If your _Layout.cshtml has something like this: Then all Views that use that Layout must include a @section with the same name (even if the contents of the section are empty): As an alternative, you … Read more

ASP.NET MVC Page Won’t Load and says “The resource cannot be found”

I got the same error when building. The default is to use URLRoute settings for navigating. If you select the “Set as Startup Page” property by right clicking any cshtml page, that throws this error because there are always a routing to the current page under the Global.asax file. Look at Project Properties for Startup … Read more