What does it mean if a role does not exist?

What does it mean if a role does not exist?

I tried to duplicate your code on my end, and if the user doesn’t exist you’ll get a “user can’t be null” error. However, if the role doesn’t exist, you’ll get a “Role [role] does not exist” error.

How to select the name of a role?

Role Name: @Html.DropDownList (“RoleName”, (IEnumerable )ViewBag.Roles, “Select …”) } These drop-down lists are populated with users and roles that already exist in the database. They allow me to select User s , and the name of a role that I’ve already created.

How to check if a role exists in a database?

Your basic question boils down to “How can I tell if a given role exists in a database.” All of the other code you already know how to do. The easiest way is to query the sys.database_principals table to see if the role is there. Based on your sample question, here is a good check and update into the different roles:

What does it mean when DB _ ddladmin role does not exist?

For most or all other roles, no members show up. This means that specific permissions are granted to the user connecting to the master database, adding users to the db_ddladmin role in master is not one of them. As documented, you can add users to the dbmanager & loginmanager db roles in master.

Is the normalizedname null in the usermanager?

Make sure when you are creating an AspNetRole the NormalizedName should not be null in order for the UserManager to work properly. Adding it straight to the database is a bad idea and violates every concept of encapsulation, and NormalizedName is not something you should be computing yourself.

Is there missing field for name in CSV?

Configuration. HasHeaderRecord = true ; csv. Configuration. MissingFieldFound = null ; var records = csv. GetRecords < Person > ().

Is there a way to ignore missing fields?

You can ignore missing fields by setting MissingFieldFound to null.” · Issue #875 · JoshClose/CsvHelper · GitHub Have a question about this project?