MatdatePicker requires ValueExpression inside EditForm

[kristof12345]

When used inside edit form MatDatePicker throws an exception:

Similar to #213 and #184

[kristof12345]

Something else might have caused the problem, because it just resolved.

[Simon-Miller]

I saw this bug today. But it was on a MatSelectItem. I provided a parameter of something like:

ValueExpression = "@(x => x)"

-- and that seemed to deal with the issue.

This might sound un-related, but these component have a lot of common base classes with deep inheritance structures. They both use MatInputTextComponent, so the bug may have a common cause.

Also worthy of note, my project is server-side Blazor. I've noticed some bugs that only happen in the server-side.

[EduVencovsky]

Don't just think "it worked" or pass any value until it works. Try understanding the problem. Here is a question from SO that might help.

What happens is that blazor can't infer the type of the Value, so you need to pass an expression for that value, something like ValueExpresion="@(() => MyValueUsedToBind)"