Entity Framework 6 - Knowledge Base (KB)
37 results in tag: razor
Using Entity Framework (.edmx Model) and Razor Views, create a dropdown list for MVC3 and insert a database record into several tables.
After reading 100's of articles on here about how to create a DropDown List in MVC 3 with Razor Views, I could not find one that fit my case....Situation:... I am ultimately trying to create a View to Add an Employee to a Database....Here is an image of t...
asked by Timothy Green
In MVC Razor, how do you handle null child Entities?
I have an MVC razor view that iterates over an Orders collection. Each order has a Customer, which can be null....Trouble is, I get a null reference exception when this is the case....@foreach (var item in Model) { <tr> <td> @Html.ActionL...
asked by Duncan
In MVC3 Razor View, referencing the EntityFramework 4.1 namespace
I am trying to reference the System.Data.Entity.Validation (EF 4.1 version) namespace inside of a shared View in my MVC3 project. I've been able to reference other external libraries using:...@using Example.Namespace ...I cannot, however, get the same thi...
asked by DMC
In mvc4 and EF, use Html.EditorFor and multiline textboxes.
what is the criteria for ...@HTMLEditorFor... autodetecting that the model's datatype would be more suitably displayed in a multiline textbox? Using MVC4,razor and EF4.3 DatabaseFirst. I am using the controller wizards scaffolded pages for the CRUD opera...
asked by Tim
LINQ to Entities joins two tables
I have two tables, for Users and Songs. I need to JOIN them both on the UserID column and return a list to the view. I tried writing an anonymous type but I'm getting an error about:...'Only parameterless constructors and initializers are supported in L...
asked by user547794
MVC + EF Code First Many to Many relationship: Create view with checkbox
I'm a newbie with MVC + EF Code First and have some doubts about many to many relationship. ...I created 2 tables that has many to many relationship (userprofile and courses). Sounds simple but it got pretty complex for me: ...I want to see the "create" ...
asked by PnP
Saving Many to Many relationship data on MVC Create view
I have some issues with a Many-to-many relationship saving the results of a create view....I want to do a create page for a new user profile that has a checklist that lets them choose courses (many to many relationship). My view takes the records from the...
asked by PnP
Creating Html.DropDownList with Values
I am trying to create a dropdown list that contains values from my data model. I cannot seem to get this to work inside of my view:...@Html.DropDownList("Program Types", new SelectList(Model.Select(x => x.ProgramType.ProgramType).Distinct().OrderBy(x =>...
asked by user547794
What is equivalent to clause between, for comparasion strings in LINQ or lambda expression of?
How do I filter a query interval of two string using LINQ or Lambda Expression....example:...SELECT * FROM dbo.Country WHERE Name BETWEEN "Argentina" AND "Jamaica";
asked by Mateus Benetti
ASP.net MVC4 Multiselect ListBox with Many-to-Many relationship
I'm new to ASP.net, MVC4 and EF and having trouble making the leap from relatively simple samples to something (only slightly) more complex. I have simplified my model for the question here so consider the following. Forgive me if I have some of the ter...
asked by CuberChase
Ajax.ActionLink post entire model from a view?
I have a view that is strongly typed to a ViewModel. Is it possible to pass all of the data from a model in the view, back to a controller action? Something like this? ...@Ajax.ActionLink("(Export to Excel)", "ExportCsv", "SurveyResponse", new { Resu...
asked by user547794
URL.Action with a string array?
I have an array of strings that I need to pass in a query string of Url.Action. ...Url.Action("Index", "Resource", new { FormatIds = Model.FormatIDs}) ...Right now the link is showing up in my browser as System.String[] instead of a query string. Is it ...
asked by user547794
Using RenderAction(actionname, values) in MVC4 issue
I need to display some child objects (...Items...) of an entity ...Request.... Instead of Request I found it better to pass in a view that contains more info than the original Request Entity. This view I called ...RequestInfo..., it also contains the orig...
asked by sprocket12
ASP.NET MVC: How to 'model bind' a non html-helper element
Could you tell me a way(s) that I can bind a ...model... property to a html-element, created without using html helper?...In other words to a plain html element such as: ...<input type="text" />
asked by dan
Using @Html.DisplayNameFor() with PagedList
I've been trying out the PagedList package to get paging for my index views. Everything was going well, and at the controller level everything is working fine, it only displays 5 records per page, and displays the appropriate page based on the querystring...
asked by nb_
how to create a view with multiple models mvc 4?
so i works in asp.net mvc 4 project and i have a problem in my view, what i want is create a view with 2 differnt type of model,first view (Index) take IEnumerable (Models.myModel) the second (subscriber Details) take Models.myModel, ...this is my Model c...
asked by Mohammadov
How do I format decimal as Percentage in EF Code First rendered in Razor TextBoxFor?
I have a property:... public decimal myProperty { get; set; } ...And here is my render:... @Html.TextBoxFor(m => m.myProperty , new { @class = "percentage" }) ...How do I do the Percentage?
asked by Bill Software Engineer
How to check model string property for null in a razor view
I am working on an ...ASP.NET MVC 4... application. I use ...EF 5... with code first and in one of my entities I have :...public string ImageName { get; set; } public string ImageGUIDName { get; set; } ...those two properties which are part of my entity. ...
asked by Leron_says_get_back_Monica
ASP.Net MVC form post can't bind model list property
I'm trying to create a survey page that can have textboxes and lists of radio buttons or checkbox fields. No matter what I try, I can't get model.Questions property to bind when the form is submitted; the model is created with a null Questions property. ...
asked by Silkster
Passing Viewbag Data from View to Controller in ASP.Net MVC3 Razor
In my ASP.Net MVC3 Razor project i have to pass value from view to controller.The view contains one submit button that is used to pass selected image file and two other input data.This two input data is from a controller named "FileUpload"(ViewBag.Data1...
asked by Nidheesh
