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Latest posts on tagged on "ASP-NET"

The type 'EntityState' is defined in an assembly that is not referenced. You must add a reference to assembly System.Data.Entity

| | Category: entity framework

I just got experience this issue with MVC5 in visual studio 2015 for web, finally I found solution adding entity framework to my project.

An error occurred creating the configuration section handler for system.web.webPages.razor/host: Could not load file or assembly 'System.Web.WebPages.Razor, Version=2.0.0.0

| | Category: asp.net MVC

I have solved this problem by applying proper reference of System.Web.WebPages.Razor version in the web.config file of views folder.

How to add cols and rows property to a multiline Editor-For in asp.net MVC?

| | Category: asp.net MVC

In this article, I will show you how to add cols and rows for the multiline Editor-For (textarea) in MVC. For input textarea you can set simple. It also seems like that,

An exception of type System.Data.Entity.Validation.DbEntityValidationException occurred in EntityFramework.dll but was not handled in user code

| | Category: asp.net MVC

I got this error while filling the object values. Then, I set a breakpoint for where an exception is thrown, and use it to inspect the problem.

An exception of type System.Data.Entity.Validation.DbEntityValidationException occurred in EntityFramework.dll but was not handled in user code

| | Category: asp.net MVC

I got this above exception is thrown while saving the record using mvc application. I don’t know where the validation errors.

The type EntityState is defined in an assembly that is not referenced. You must add a reference to assembly System.Data.Entity

| | Category: asp.net MVC

I got the following error on my web controller page.Finally I do the following changes to my project. It works fine.

How to download the file if I’m recording the data into a database?

| | Category: asp.net MVC

One of the viewer asked, It is simple to download the file. We have to store the file in a specified folder path and then store the file path into database.

How to create partial view in asp.net MVC?

| | Category: asp.net MVC

Now I am going to insert partial view to my program. To create partial view using the following steps.Right click on the specified controller folder or in shared folder...

The number of primary key values passed must match number of primary key values defined on the entity.Parameter name: keyValues

| | Category: entity framework

This error is happening when the entity table having more than one primary key value in the .edmx file.

CSS class not applied in MVC

| | Category: asp.net MVC

I have generated above MVC view using Entity framework.I want to apply css class for the html control. But CSS is not applied.

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