Refresh label with Global property value

Radzen Studio Blazor Server
1

My user is assigned to a plant. The main form shall show always the user name and the plant. I put two labels in the main layout: labelUserName, labelPlant
I add a global Property GlobalPropUserPlant (as string)
Then I bind the label to Globals.GlobalPropUserPlant
image

Then I add in Login.razor.cs into the class LoginComponent the method

{
            Globals.GlobalPropUserPlant = "Ulm";
            return plantId = 1;
}

When I run the app in the debugger I see Globals.GlobalPropUserPlant gets the value "Ulm", but it does not update the labelPlant.

Thx!
Claus

2

Hi @Claus_Kessel,

You can add the following code to the Layout Load event:

image
image1920×1080 80.1 KB

3

This does not work.
First I have to set the property , if I do not set the property Globals is empty
To set pthe property and thean execute is also no solution:
image
I checked in Visual Studio the ...cs file:

        {
            Globals.GlobalPropUserPlant = "ulm";
            Globals.PropertyChanged += (e)=>StateHasChanged();
        }

From my understanding Load() always replaces GlobalPropUserPlant with "ulm".
I tried this:

static int ulmCount = 0;
        protected async System.Threading.Tasks.Task Load()
        {
            Globals.GlobalPropUserPlant = $"ulm_{ulmCount}";
            ulmCount++;
        }

Now it updates each load event the label with "ulm_0", "ulm_1",...

But when I change Globals.GlobalPropUserPlant in a methode in Login.cs then it does not work:

----------in Login.razor --------:
        <RadzenTemplateForm Action="@($"account/login?redirectUrl={redirectUrl}")" Data="@("login")" Method="post">
          <ChildContent>
            <RadzenLogin AllowRegister="false" AllowResetPassword="false" Login="@Login0Login" Register="@Login0Register">
            </RadzenLogin>
          </ChildContent>
        </RadzenTemplateForm>

---- in login.razor.designer.cs---
        protected async System.Threading.Tasks.Task Login0Login(dynamic args)
        {
            var getUserPlant4UserIdResult = GetUserPlant4UserId(1);
        }

---- in Login.razor.cs ------------
         public int GetUserPlant4UserId(int userId)
        {
            int plantId = -1;
            if (userId == -1)
            {
                return -1;
            }
            Globals.GlobalPropUserPlant = "Weingarten";
            return plantId;
        }
4

I'm a beginner, perhaps this is the wrong way.
What I want is the user name and the city name (which is assigned to the user) in the header of the main layout.

5

Try adding this code in the Load event of the layout.