Set value in one textbox from two others

Radzen Blazor Studio
1

Hi, I have a form and table with 3 fields, LastName, FirstName and FullName, the user sholud enter FirstName and LastName and the system should create FullName, thsi can be used by using a trigger i the SQL database but I would like to do it in the app. But how?

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2

Hi @VictorW60,

This should be done in the FormSubmit method via code:

        protected async Task FormSubmit()
        {
            try
            {
                person.FullName = person.FirstName + " " + person.LastName;
                await DbService.UpdatePerson(person.Id, person);
            }
            catch (Exception ex)
            {
                errorVisible = true;
            }
        }
3

I tried to do it with page properties, create on that I named strFullName. Then I added a label and set the Text = ${strFullName}, that works fine.

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Now I would like to set the textbox, but the vlue property is set to a databas field, so is the only way of doing this the way that you wrote early in this Topic?

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4

Yes, this would be the only way. However you started the thread for Radzen Blazor Studio and now seem to be using Radzen. In Radzen you need to use Execute C# action - you can't modify the generated code without adding it to the code generation ignore list.

5

Sorry for mixing thinks up.
Now I'm in Radzon Studio, the old one, because that is the licences I have.

I wrote the code in c# (Radzen Blazor) it looked nice, I saved the project an opened in Radzen Balzer and ran the project. Then I open the project in VS and the code was gone so I need to add something t to code generation ignore list??

But If I understand you right it is better to do it buy using page properties, is that right?

6

Yes, you need to do this via page properties or insert Execute C# statement in the Submit event handler to set FullName accordingly.

7

Ok, I have done the first part adding and setting the page property. The second part is not so clear to me, setting the value on FullName because I can see a reference to ${person.FullName}, So how do I do?

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8

Well if you want to set full name from code it should be a form field should it? I would remove the entire row and use Execute C# action to set the FullName property in the Submit event:

${person.FullName} = ${person.FirstName} + " " + ${person.LastName};

This action should be executed before saving the data via Invoke data source method.

1 Like
9

Perfect, works fine!!