ViewModel receives null

Question

Hi am working on a simple form submit in asp.net core 3.1 version. I need to use view model to get data from form. The problem is when I try to submit it, the tax model receives null on controller. Everything seems to be correct but still it receives null.

My viewmodel

My model

My form

My controller

Answer 1

asp.net core bind data with name attribute,try to replace:

    <input type="text" asp-for="Tax.TaxName" class="form-control" id="TaxName" placeholder="Tax Name" />

with

<input type="text" name="tax.Tax.TaxName" class="form-control" placeholder="Tax Name" />

result: